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5331bac6e01dc8056b7661fc927deaa92fe2e0d899403b621b9f569bd790ece2
2026-01-07T00:00:00-05:00
How to obtain slow roll inflation driven by non-linear electrodynamics
arXiv:2503.19679v2 Announce Type: replace-cross Abstract: We establish for the first time the conditions that must be imposed on the action for a magnetic universe in a theory of non-linear electrodynamics in order to have an asymptotically de Sitter initial state followed by a slow roll inflationary phase. We show tha...
https://arxiv.org/abs/2503.19679
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bc5f428e6ea140473934ad2be78bcddf67a0a8d8f60a7d1922797cf7f0527f30
2026-01-07T00:00:00-05:00
Physics beyond the Standard Model with the DSA-2000
arXiv:2505.23892v2 Announce Type: replace-cross Abstract: The upcoming Deep Synoptic Array 2000 (DSA-2000) will map the radio sky at $0.7-2$ GHz ($2.9 - 8.3 \, \mu$eV) with unprecedented sensitivity. This will enable searches for dark matter and other physics beyond the Standard Model, of which we study four cases: axi...
https://arxiv.org/abs/2505.23892
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a34a649ac2ae67577f8a46e5372310551bdfc592156b4ed8c2b1a2902fc5f7d9
2026-01-07T00:00:00-05:00
Freeze-in production of scalaron dark matter in $f(R)$ gravity
arXiv:2506.06436v2 Announce Type: replace-cross Abstract: We demonstrate that the scalaron, a scalar degree of freedom, emerging from the $f(R)$ theory of gravity, can account for the observed dark matter (DM) abundance if its mass is around the MeV scale, to ensure its cosmological stability. Focusing on two well-know...
https://arxiv.org/abs/2506.06436
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d5389d37545700f3e2736cd0cae3ca3ff00080a7d6a1d56665bcc6f18feeeba8
2026-01-07T00:00:00-05:00
Implications of DESI for Dark Matter & Cosmic Birefringence
arXiv:2506.12589v2 Announce Type: replace-cross Abstract: We explore an interacting dark matter (DM)-dark energy (DE) framework that naturally yields an effective dynamical DE equation of state crossing the phantom barrier at early times, as indicated by recent DESI data, while also accounting for the observed isotropi...
https://arxiv.org/abs/2506.12589
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9c0fce7a80818ea0e2397943574c23382a735af87662a5196a6579fec8bb640d
2026-01-07T00:00:00-05:00
Classification of $f(R)$ Theories Of Inflation And The Uniqueness of Starobinsky Model
arXiv:2507.02637v2 Announce Type: replace-cross Abstract: We classify $f(R)$ theories using a mathematical analogy between slow-roll inflation and the renormalization-group flow. We derive the power spectra and spectral indices class by class and compare them with the latest data. The framework used for the classificat...
https://arxiv.org/abs/2507.02637
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d2c703bc7f7ac9d127867412fac4bd10a8dcf0ab03e6838029b0004543646ead
2026-01-07T00:00:00-05:00
Beyond $\rho^{2/3}$ Scaling: Microscopic Origins and Multimessengers of High-Density Nuclear Symmetry Energy
arXiv:2510.05508v2 Announce Type: replace-cross Abstract: Nuclear symmetry energy $E_{\mathrm{sym}}(\rho)$ encoding the cost to make nuclear matter more neutron rich has been the most uncertain component of the EOS of dense neutron-rich nucleonic matter. It affects significantly the radii, tidal deformations, cooling r...
https://arxiv.org/abs/2510.05508
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2d782b8e69135cf4824470749ac4618783cf97b4b79f579e78deac1d044b4165
2026-01-07T00:00:00-05:00
Observable Signatures of a Quarkyonic Phase in Neutron Stars
arXiv:2510.23405v2 Announce Type: replace-cross Abstract: Performing Bayesian inference on quarkyonic equation-of-state models for neutron star matter, we find they satisfy all current astrophysical observations, thus reinforcing the argument for the use of such neutron star matter equation-of-state models alongside tr...
https://arxiv.org/abs/2510.23405
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c3a97d980c080f272b23f0c850a90974736b707ce61f6cca1777ab35e62bb11b
2026-01-07T00:00:00-05:00
On the Bondi accretion of a self-interacting complex scalar field
arXiv:2511.04650v2 Announce Type: replace-cross Abstract: Scalar fields with a global U(1) symmetry often appear in cosmology and astrophysics. We study the spherically-symmetric, stationary accretion of such a classical field onto a Schwarzschild black hole in the test-field approximation. Thus, we consider the relati...
https://arxiv.org/abs/2511.04650
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1850e6f7c03e5fb67c0ee2f3fa4537726a3945aa88a6f52243b67036978ebc94
2026-01-07T00:00:00-05:00
Graviton-Photon Mixing by a Kerr-Newman Black Hole with Worldline EFT
arXiv:2601.00980v2 Announce Type: replace-cross Abstract: In black hole perturbation theory, the difficulty in separating electromagnetic and gravitational sectors of the coupled Teukolsky equations has prevented a general treatment of scattering processes involving both electromagnetic waves and gravitational waves in...
https://arxiv.org/abs/2601.00980
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41db9fb3c4fedd42f6210fa229c566e0de04cdd967b380add7fe5b6dd26fa56f
2026-01-07T00:00:00-05:00
Improving Financial Forecasting with a Synergistic LLM-Transformer Architecture: A Hybrid Approach to Stock Price Prediction
arXiv:2601.02878v1 Announce Type: new Abstract: This study proposes a novel hybrid deep learning framework that integrates a Large Language Model (LLM) with a Transformer architecture for stock price forecasting. The research addresses a critical theoretical gap in existing approaches that empirically combine textual a...
https://arxiv.org/abs/2601.02878
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8c6ea382ebe8cbf5ba9417016c98753d68f82fc8797a54ac2df3c2bcb7c555ba
2026-01-07T00:00:00-05:00
Revealed Decision Rules in Choices Under Risk
arXiv:2601.02964v1 Announce Type: new Abstract: We study decision making under risk when perception may be menu-dependent. Behavior is modeled as the outcome of a small library of psychologically interpretable, menu-specific rules that transform each objective menu into a perceived one. At each menu, the applied rule m...
https://arxiv.org/abs/2601.02964
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5b91aa0baea8f204ec08a3ae24d68102d999ffd298a2f40ad1e2a791cc174271
2026-01-07T00:00:00-05:00
Volatility Spillovers in High-Dimensional Financial Systems: A Machine Learning Approach
arXiv:2601.03146v1 Announce Type: new Abstract: We identify volatility spillovers across commodities, equities, and treasuries using a hybrid HAR-ElasticNet framework on daily realized volatility for six futures markets over 2002--2025. Our two step procedure estimates own-volatility dynamics via OLS to preserve persis...
https://arxiv.org/abs/2601.03146
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4deebf7261c2f55f99e46ad340c4f0abfb83fb9a563d0b73281f2068269be1ad
2026-01-07T00:00:00-05:00
Existence of Optimal Mechanisms for Selling Multiple Goods: An Elementary Proof
arXiv:2601.01607v1 Announce Type: cross Abstract: We provide an elementary proof that revenue-maximizing mechanisms exist in multi-parameter settings whenever the distribution of valuations has finite expectation.
https://arxiv.org/abs/2601.01607
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3fa65ed0730ca0110591f67ecf80d7fd51dcf7aa062e3b5fbf0973676f581905
2026-01-07T00:00:00-05:00
Sensitivity Analysis in Unconditional Quantile Effects
arXiv:2303.14298v4 Announce Type: replace Abstract: This paper proposes a framework to analyze the effects of counterfactual policies on the unconditional quantiles of an outcome variable. For a given counterfactual policy, we obtain identified sets for the effect of both marginal and global changes in the proportion o...
https://arxiv.org/abs/2303.14298
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61cfac01d651fe906145a529894685047c569bab4806bf313e7d401986883b2e
2026-01-07T00:00:00-05:00
Incentivizing Knowledge Transfers
arXiv:2507.11018v2 Announce Type: replace Abstract: We study the optimal design of relational contracts that incentivize an expert to share specialized knowledge with a novice. While the expert fears that a more knowledgeable novice may later erode his future rents, a third-party principal is willing to allocate her re...
https://arxiv.org/abs/2507.11018
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74ea20b2d30d9025dcea453934ba4dcd2aae1ae872ac5a81196b6150d5c8ff87
2026-01-07T00:00:00-05:00
Cognitive biases shape the evolution of zero-sum norms
arXiv:2511.16453v2 Announce Type: replace Abstract: Why do maladaptive perceptions and norms, such as zero-sum interpretations of interaction, persist even when they undermine cooperation and investment? We develop a framework where bounded rationality and heterogeneous cognitive biases shape the evolutionary dynamics ...
https://arxiv.org/abs/2511.16453
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3a1ea7a4eb5f586645563874c3ab554a237865c5d74a9ea01e84e8cc407c1604
2026-01-07T00:00:00-05:00
Generalized method of moments with partially missing data
arXiv:2511.21988v2 Announce Type: replace Abstract: We consider a generalized method of moments framework in which a part of the data vector is missing for some units in a completely unrestricted, potentially endogenous way. In this setup, the parameters of interest are usually only partially identified. We characteriz...
https://arxiv.org/abs/2511.21988
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d6221c9a011c1125c5f70df6692c06a69fdd7b11e50ba643b67bf2bc745b1985
2026-01-07T00:00:00-05:00
Improve Power of Knockoffs with Annotation Information of Covariates
arXiv:2601.02583v1 Announce Type: new Abstract: Genome-wide association studies (GWAS) often find association signals between many genetic variants and traits of interest in a genomic region. Functional annotations of these variants provide valuable prior information that helps prioritize biologically relevant variants...
https://arxiv.org/abs/2601.02583
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0feba046e9c220ba34b1365d71b3b549987a962ab2d7d4027dde5959c8dbcff5
2026-01-07T00:00:00-05:00
Conformal novelty detection with false discovery rate control at the boundary
arXiv:2601.02610v1 Announce Type: new Abstract: Conformal novelty detection is a classical machine learning task for which uncertainty quantification is essential for providing reliable results. Recent work has shown that the BH procedure applied to conformal p-values controls the false discovery rate (FDR). Unfortunat...
https://arxiv.org/abs/2601.02610
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1271d938340cfdacd7a7977f7e6b156dde30179ee4182ac0cd4dec741d5a38a6
2026-01-07T00:00:00-05:00
Bayesian Multiple Multivariate Density-Density Regression
arXiv:2601.02640v1 Announce Type: new Abstract: We propose the first approach for multiple multivariate density-density regression (MDDR), making it possible to consider the regression of a multivariate density-valued response on multiple multivariate density-valued predictors. The core idea is to define a fitted distr...
https://arxiv.org/abs/2601.02640
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3aad809b885744ee0d6acac3d707c456209e22a836674bc64e818996415ad1e1
2026-01-07T00:00:00-05:00
Beyond Point Estimates: Toward Proper Statistical Inferencing and Reporting of Intraclass Correlation Coefficients
arXiv:2601.02765v1 Announce Type: new Abstract: Reporting test-retest reliability using the intraclass correlation coefficient (ICC) has received increasing attention due to the criticisms of poor transparency and replicability in neuroimaging research, as well as many other biomedical studies. Numerous studies have th...
https://arxiv.org/abs/2601.02765
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831c3dc73f7ec71b9b22795af863d48b9d1a33abe00b9fca9e1f3c83ec603a88
2026-01-07T00:00:00-05:00
Scalable Ultra-High-Dimensional Quantile Regression with Genomic Applications
arXiv:2601.02826v1 Announce Type: new Abstract: Modern datasets arising from social media, genomics, and biomedical informatics are often heterogeneous and (ultra) high-dimensional, creating substantial challenges for conventional modeling techniques. Quantile regression (QR) not only offers a flexible way to capture h...
https://arxiv.org/abs/2601.02826
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5406d906725fa89f6637a5ba102314ec0414210d8217f12b9e21c60ef0fffdfa
2026-01-07T00:00:00-05:00
Bayes Factor Group Sequential Designs
arXiv:2601.02851v1 Announce Type: new Abstract: The Bayes factor, the data-based updating factor from prior to posterior odds, is a principled measure of relative evidence for two competing hypotheses. It is naturally suited to sequential data analysis in settings such as clinical trials and animal experiments, where e...
https://arxiv.org/abs/2601.02851
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ce6d8101fdfd8e148a813a52a14b65600e1b9d3bb946b36e0526d3836fa205f4
2026-01-07T00:00:00-05:00
On the bias of the Hoover index estimator: Results for the gamma distribution
arXiv:2601.03059v1 Announce Type: new Abstract: The Hoover index is a widely used measure of inequality with an intuitive interpretation, yet little is known about the finite-sample properties of its empirical estimator. In this paper, we derive a simple expression for the expected value of the Hoover index estimator f...
https://arxiv.org/abs/2601.03059
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d449ccfd2f6bdeb2edc360390fe5b0cadfc474f6b3605fa4d823b339e1475db9
2026-01-07T00:00:00-05:00
A non-parametric approach for estimating the correlation between log-rank test statistics with applications to a conjunctive power calculation
arXiv:2601.03069v1 Announce Type: new Abstract: We present a method for estimating the correlation between log-rank test statistics evaluating separate null hypotheses for two time-to-event endpoints. The correlation is estimated using subject-level data by a non-parametric approach based on the independent and identic...
https://arxiv.org/abs/2601.03069
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1a01c827798db39c0b58aa2e7da3b843ad65419991fd12bbf201b425ed173ea2
2026-01-07T00:00:00-05:00
Bayesian score calibration for approximate models
arXiv:2211.05357v5 Announce Type: replace Abstract: Scientists continue to develop increasingly complex mechanistic models to reflect their knowledge more realistically. Statistical inference using these models can be challenging since the corresponding likelihood function is often intractable and model simulation may ...
https://arxiv.org/abs/2211.05357
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3ca403a8f8c4390c89ab984944d13b94f7d1397d32a5df46bedad54f11a2aa83
2026-01-07T00:00:00-05:00
Scalable Bayesian Inference for Generalized Linear Mixed Models via Stochastic Gradient MCMC
arXiv:2403.03007v3 Announce Type: replace Abstract: The generalized linear mixed model (GLMM) is widely used for analyzing correlated data, particularly in large-scale biomedical and social science applications. Scalable Bayesian inference for GLMMs is challenging because the marginal likelihood is intractable and conv...
https://arxiv.org/abs/2403.03007
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290e042a42950f163007012ab3fa028ac8b49425627ec805d48f64f3d94a9f4f
2026-01-07T00:00:00-05:00
Scalable magnetic resonance fingerprinting: Incremental inference of high dimensional elliptical mixtures from large data volumes
arXiv:2412.10173v2 Announce Type: replace Abstract: Magnetic Resonance Fingerprinting (MRF) is an emerging technology with the potential to revolutionize radiology and medical diagnostics. In comparison to traditional magnetic resonance imaging (MRI), MRF enables the rapid, simultaneous, non-invasive acquisition and re...
https://arxiv.org/abs/2412.10173
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906bfd34b5207ec89d1c9daf3203eb315fe0fa56037d26efb8510674cf41a952
2026-01-07T00:00:00-05:00
Successive classification learning for estimating quantile optimal treatment regimes
arXiv:2507.11255v2 Announce Type: replace Abstract: Quantile optimal treatment regimes (OTRs) aim to assign treatments that maximize a specified quantile of patients' outcomes. Compared to treatment regimes that target the mean outcomes, quantile OTRs offer fairer regimes when a lower quantile is selected, as it improv...
https://arxiv.org/abs/2507.11255
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84a4daf48966ebdedcb9903b43f4db2e652bb2a3e1b0bb71ea19863f385cd29b
2026-01-07T00:00:00-05:00
Causal Judge Evaluation: Calibrated Surrogate Metrics for LLM Systems
arXiv:2512.11150v2 Announce Type: replace Abstract: Measuring long-run LLM outcomes (user satisfaction, expert judgment, downstream KPIs) is expensive. Teams default to cheap LLM judges, but uncalibrated proxies can invert rankings entirely. Causal Judge Evaluation (CJE) makes it affordable to aim at the right target: ...
https://arxiv.org/abs/2512.11150
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ea43e4457132554056e38f4356e30aa3e0f734365a33af1fc14b6959da2eb3f7
2026-01-07T00:00:00-05:00
Minimal length: a source of non-Hermiticity and non-locality in quantum mechanics
arXiv:2601.02413v1 Announce Type: new Abstract: First, the study tries to shed light on the relationship between purely quantum mechanical momentum measurements (canonical momentum space) and measurements of the generalized momentum operator, including minimal length effects. Additionally, the existence of complex numb...
https://arxiv.org/abs/2601.02413
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91e63a63bbfa4453046702c0b7b373e483fef16298b0296acbc9367b959c9e64
2026-01-07T00:00:00-05:00
Gravitational time dilation in quantum clock interferometry with entangled multi-photon states and quantum memories
arXiv:2601.02470v1 Announce Type: new Abstract: Gravitational time dilation implies that clocks held at different heights accumulate different proper times. We analyze a memory-assisted quantum clock interferometer in which a frequency-bin photonic clock is stored in two vertically separated quantum memories for a cont...
https://arxiv.org/abs/2601.02470
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7886230d607dd32982455a0d4b5ff3792f4c1d2a507d6e78f9c471b344c96cd5
2026-01-07T00:00:00-05:00
Gaussian time-translation covariant operations: structure, implementation, and thermodynamics
arXiv:2601.02471v1 Announce Type: new Abstract: Time-translation symmetry strongly constrains physical dynamics, yet systematic characterization for continuous-variable systems lags behind its discrete-variable counterpart. We close this gap by providing a rigorous classification of Gaussian quantum operations that are...
https://arxiv.org/abs/2601.02471
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131cd1a23b2a7326172c1fc5b7bbade23559df66554813b1e7f6c072fe448a6a
2026-01-07T00:00:00-05:00
Minimization of AND-XOR Expressions with Decoders for Quantum Circuits
arXiv:2601.02515v1 Announce Type: new Abstract: This paper introduces a new logic structure for reversible quantum circuit synthesis. Our synthesis method aims to minimize the quantum cost of reversible quantum circuits with decoders. In this method, multi-valued input, binary output (MVI) functions are utilized as a m...
https://arxiv.org/abs/2601.02515
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0394a2ec519d5da4e9a0ec9637411415d96408eeaa4f92a43a2f0662f7a28109
2026-01-07T00:00:00-05:00
Further Improving the Decoy State Quantum Key Distribution Protocol with Advantage Distillation
arXiv:2601.02565v1 Announce Type: new Abstract: In this paper, we revisit the application of classical advantage distillation (CAD) to the decoy-state BB84 protocol. Prior work has shown that CAD can greatly improve maximal distances and noise tolerances of the practical decoy state protocol. However, past work in deri...
https://arxiv.org/abs/2601.02565
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d07d93bee66651b3cb9bdf33e6659e125246b119605481db734b0b573b1b5a60
2026-01-07T00:00:00-05:00
Localization of joint quantum measurements on $\mathbb{C}^d \otimes \mathbb{C}^d$ by entangled resources with Schmidt number at most $d$
arXiv:2601.02660v1 Announce Type: new Abstract: Localizable measurements are joint quantum measurements that can be implemented using only non-adaptive local operations and shared entanglement. We provide a protocol-independent characterization of localizable projection-valued measures (PVMs) by exploiting algebraic st...
https://arxiv.org/abs/2601.02660
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ba2ecb641ec2b90adec442537dc87866591730a7d79692aac68c5b27f72e5c01
2026-01-07T00:00:00-05:00
Multiparameter quantum estimation with a uniformly accelerated Unruh-DeWitt detector
arXiv:2601.02689v1 Announce Type: new Abstract: The uniformly accelerated Unruh-DeWitt detector serves as a fundamental model in relativistic quantum metrology. While previous studies have mainly concentrated on single-parameter estimation via quantum Cram\'er-Rao bound, the multi-parameter case remains significantly u...
https://arxiv.org/abs/2601.02689
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1918e730856d60b33ac53c6040ad5435ad808d59e9ca05d09d98c191a0d0e7ef
2026-01-07T00:00:00-05:00
Q-based, objective-field model for wave-function collapse: Analyzing measurement on a macroscopic superposition state
arXiv:2601.02767v1 Announce Type: new Abstract: The measurement problem remains unaddressed in modern physics, with an array of proposed solutions but as of yet no agreed resolution. In this paper, we examine measurement using the Q-based, objective-field model for quantum mechanics. Schrodinger considered a microscopi...
https://arxiv.org/abs/2601.02767
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c14c12e02b4f3e8c0ec5cd9530ea8f9e1cdea45276bc208b209199b1faf8b232
2026-01-07T00:00:00-05:00
Quantum key distribution without authentication and information leakage
arXiv:2601.02846v1 Announce Type: new Abstract: Quantum key distribution (QKD) is the most widely studied quantum cryptographic model that exploits quantum effects to achieve information-theoretically secure key establishment. Conventional QKD contains public classical post-processing steps that require authentication ...
https://arxiv.org/abs/2601.02846
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c51609567c1358e09190a305788f042c75ac535ffe749a435e775c9680fb0bf7
2026-01-07T00:00:00-05:00
Entanglement Entropy for Screened Interactions via Dimensional Mapping to Harmonic Oscillators
arXiv:2601.02877v1 Announce Type: new Abstract: We investigate interaction-induced corrections to entanglement entropy by mapping a screened Yukawa-type interaction to an effective harmonic oscillator system with controlled anharmonic perturbations. Starting from a one-dimensional interaction $V(x) = -g^2 e^{-\alpha m ...
https://arxiv.org/abs/2601.02877
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1e2e6ad77eefe95c0fd0854d4e29103e7f2b939056b8551e497e3b993f2ff868
2026-01-07T00:00:00-05:00
Trading symmetry for Hilbert-space dimension in Bell-inequality violation
arXiv:2601.02893v1 Announce Type: new Abstract: In quantum information, asymmetry, i.e., the lack of symmetry, is a resource allowing one to accomplish certain tasks that are otherwise impossible. Similarly, in a Bell test using any given Bell inequality, the maximum violation achievable using quantum strategies respec...
https://arxiv.org/abs/2601.02893
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1d54e28efbbe3e4086ee18eb70be5b9c59ff6c0664e7253cb645b426eed9dcb9
2026-01-07T00:00:00-05:00
Violation of Bell Monogamy Relations
arXiv:2601.02925v1 Announce Type: new Abstract: The entangled multipartite systems, specially in pure states, exhibit the phenomenon entanglement monogamy. Such systems also display the phenomenon of Bell nonlocality. Like entanglement monogamy relations, there are Bell monogamy relations. These relations suggest a sha...
https://arxiv.org/abs/2601.02925
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30653354d2f7b7a8baa52d2e5c5e81e513fbb52bb90893ee486038931d247b1b
2026-01-07T00:00:00-05:00
Entanglement signatures of quantum criticality in Floquet non-Hermitian topological systems
arXiv:2601.03002v1 Announce Type: new Abstract: The entanglement entropy can be an effective diagnostic tool for probing topological phase transitions. In one-dimensional single particle systems, the periodic driving generates a variety of topological phases and edge modes. In this work, we investigate the topological ...
https://arxiv.org/abs/2601.03002
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6d43620dbf6ce30e361ae3a00be3186af6343c502564958b16144ea1a2bd7da3
2026-01-07T00:00:00-05:00
Who can compete with quantum computers? Lecture notes on quantum inspired tensor networks computational techniques
arXiv:2601.03035v1 Announce Type: new Abstract: This is a set of lectures on tensor networks with a strong emphasis on the core algorithms involving Matrix Product States (MPS) and Matrix Product Operators (MPO). Compared to other presentations, particular care has been given to disentangle aspects of tensor networks f...
https://arxiv.org/abs/2601.03035
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2785286805cebc3c7ea429bffd5b42129519c65abe65ad5664d0811f7374a012
2026-01-07T00:00:00-05:00
Collective dynamics versus entanglement in quantum battery performance
arXiv:2601.03119v1 Announce Type: new Abstract: Identifying the physical origin of enhanced charging performance in many-body quantum batteries is a key challenge in quantum thermodynamics. We investigate whether improvements in stored energy and instantaneous charging power arise from genuine quantum correlations or f...
https://arxiv.org/abs/2601.03119
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6a7ccc7dca7eea3607b8be5002479079c117cd8f74afbf678c3d7af9fa059a0b
2026-01-07T00:00:00-05:00
Operational modes of a Raman-coupled two-qubit quantum thermal machine
arXiv:2601.03139v1 Announce Type: new Abstract: We investigate a quantum thermal machine composed of two qubits coupled through a Raman-induced exchange interaction and driven by inhomogeneous transition frequencies. The system is analyzed within Carnot, Otto, and Stirling thermodynamic cycles, including the Stirling c...
https://arxiv.org/abs/2601.03139
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9248503f2f8ac6ea1ca5371935c47c95eaa20cdb93ce4a7e67e8ffbe38ddb041
2026-01-07T00:00:00-05:00
Energetics of Rydberg-atom Quantum Computing
arXiv:2601.03141v1 Announce Type: new Abstract: Quantum computing exploits the properties of Quantum Mechanics to solve problems faster than classical computers. The potential applications of this technology have been widely explored, and extensive research over the past decades has been dedicated to developing scalabl...
https://arxiv.org/abs/2601.03141
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3aa355db36886c804fde7d343f9ff9b709660bd5968d8b29ef1c1a739b675cd4
2026-01-07T00:00:00-05:00
A Unified Frequency Principle for Quantum and Classical Machine Learning
arXiv:2601.03169v1 Announce Type: new Abstract: Quantum neural networks constitute a key class of near-term quantum learning models, yet their training dynamics remain not fully understood. Here, we present a unified theoretical framework for the frequency principle (F-principle) that characterizes the training dynamic...
https://arxiv.org/abs/2601.03169
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cd56dad267efb8438fb8414c93919dc9ed1454c6abf45efe337c43758aead651
2026-01-07T00:00:00-05:00
FTCircuitBench: A Benchmark Suite for Fault-Tolerant Quantum Compilation and Architecture
arXiv:2601.03185v1 Announce Type: new Abstract: Realizing large-scale quantum advantage is expected to require quantum error correction (QEC), making the compilation and optimization of logical operations a critical area of research. Logical computation imposes distinct constraints and operational paradigms that differ...
https://arxiv.org/abs/2601.03185
Academic Papers
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412ccccd5a172205393fc4c7fdf90ffadcc8fddc4e0bd6ac550f43b44c8d96b9
2026-01-07T00:00:00-05:00
Grand-Canonical Typicality
arXiv:2601.03253v1 Announce Type: new Abstract: We study how the grand-canonical density matrix arises in macroscopic quantum systems. ``Canonical typicality'' is the known statement that for a typical wave function $\Psi$ from a micro-canonical energy shell of a quantum system $S$ weakly coupled to a large but finite ...
https://arxiv.org/abs/2601.03253
Academic Papers
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29892a31fd7dcada7e7c8da71e2863e8dc14f702f394eef6a22a31754a92ad7a
2026-01-07T00:00:00-05:00
Asymptotic freedom, lost: Complex conformal field theory in the two-dimensional $O(N>2)$ nonlinear sigma model and its realization in the spin-1 Heisenberg chain
arXiv:2601.02459v1 Announce Type: cross Abstract: The two-dimensional $O(N)$ nonlinear sigma model (NLSM) is asymptotically free for $N>2$: it exhibits neither a nontrivial fixed point nor spontaneous symmetry-breaking. Here we show that a nontrivial fixed point generically does exist in the $\textit{complex}$ coupling...
https://arxiv.org/abs/2601.02459
Academic Papers
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2b7c332bb4e1e05933269e84ed47bb3a14f9a17de85a848798033a2733111a8f
2026-01-07T00:00:00-05:00
Renormalization Group is the principle behind the Holographic Entropy Cone
arXiv:2601.02472v1 Announce Type: cross Abstract: We show that every holographic entropy inequality can be recast in the form: `some entanglement wedges reach deeper in the bulk than some other entanglement wedges.' When the inequality is saturated, the two sets of wedges reach equally deep. Because bulk depth geometri...
https://arxiv.org/abs/2601.02472
Academic Papers
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52a71b7636ee0e62a7c3ff8801039672a8b1e12f755e5842338d6b182a31aa5c
2026-01-07T00:00:00-05:00
Probing Dark Matter-Electron Interactions with Superconducting Qubits
arXiv:2601.02474v1 Announce Type: cross Abstract: Quantum device measurements are powerful tools to probe dark matter interactions. Among these, transmon qubits stand out for their ability to suppress external noise while remaining highly sensitive to tiny energy deposits. Ambient galactic halo dark matter interacting ...
https://arxiv.org/abs/2601.02474
Academic Papers
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73c1c5a3772206bfa12db1c561f9cdd08e902d5a2344c752982e90a637c2a8c5
2026-01-07T00:00:00-05:00
Superextensive charging speeds in a correlated quantum charger
arXiv:2601.02477v1 Announce Type: cross Abstract: We define a quantum charger as an interacting quantum system that transfers energy between two drives. The key figure of merit characterizing a charger is its charging power. Remarkably, the presence of long-range interactions within the charger can induce a collective ...
https://arxiv.org/abs/2601.02477
Academic Papers
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f787e0fd41cde9965d264399cdf6340fd5c60202b75fdf798b9a4165d23b4bbf
2026-01-07T00:00:00-05:00
Does relativistic motion really freeze initially maximal entanglement?
arXiv:2601.02976v1 Announce Type: cross Abstract: We investigate the relativistic dynamics of quantum entanglement in a four-qubit cluster ($CL_4$) state using a fully operational Unruh-DeWitt detector framework. Contrary to the widely held expectation that the Unruh effect inevitably degrades initially maximal entangl...
https://arxiv.org/abs/2601.02976
Academic Papers
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71e0a7e3be472926f3a872c6d094f972c88b22146647f65325b07d0115d3ea8f
2026-01-07T00:00:00-05:00
Multipartite Non-local Magic and SYK Model
arXiv:2601.03076v1 Announce Type: cross Abstract: We investigate the structure of quantum magic in interacting disordered fermionic systems, quantifying non-stabilizerness via the fermionic stabilizer R\'enyi entropy (SRE). To resolve the distribution of magic across different scales, we introduce a multipartite non-lo...
https://arxiv.org/abs/2601.03076
Academic Papers
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56725ae2a5c00f6306a1cda40963c12d0cb4684485ae7ff42d20f42e96eb5993
2026-01-07T00:00:00-05:00
When does entanglement through gravity imply gravitons?
arXiv:2601.03214v1 Announce Type: cross Abstract: Detection of entanglement through the Newtonian potential has been claimed to support the existence of gravitons, by extrapolating to a thought experiment which demonstrates that complementarity and causality would be in conflict unless quantum fluctuations exist. We cr...
https://arxiv.org/abs/2601.03214
Academic Papers
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d25b45356b447da738a3b39e23e1e97aba44d3d854a9472defc4eddba7d35113
2026-01-07T00:00:00-05:00
Probing negative differential resistance in silicon with a P-I-N diode-integrated T center ensemble
arXiv:2501.11888v2 Announce Type: replace Abstract: Solid-state defect quantum systems are exquisite probes of their local charge environment. Nonlinear dynamical electric fields in solids are challenging to characterize directly, conventionally limited to coarse macroscopic methods which fail to capture subtle effects...
https://arxiv.org/abs/2501.11888
Academic Papers
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fb2b7e991ad4e13ee009c8efdc090227e56eb38d09f2392effbd46ebce805ef6
2026-01-07T00:00:00-05:00
Efficient quantum simulation for translationally invariant systems
arXiv:2503.14592v2 Announce Type: replace Abstract: Discrete translational symmetry plays a fundamental role in condensed matter physics and lattice gauge theories, enabling the analysis of systems that would otherwise be intractable. Despite this, many open problems remain. Quantum simulation promises to offer new ins...
https://arxiv.org/abs/2503.14592
Academic Papers
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21fe3a0ae59a7e781fed9f708947937b12be47f8e04ed30ed50220a351ed052b
2026-01-07T00:00:00-05:00
The source of hardware-tailored codes and coding phases
arXiv:2503.15483v2 Announce Type: replace Abstract: A central challenge in quantum error correction is identifying powerful quantum codes tailored to specific hardware and determining their error thresholds above which quantum information is unprotected. This problem is hard because we cannot determine the noise models...
https://arxiv.org/abs/2503.15483
Academic Papers
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870113c88720689125564b7664e6f75769909d4bf9ddd78f9de841f7ec27154a
2026-01-07T00:00:00-05:00
Deterministic quantum trajectory via imaginary time evolution
arXiv:2504.00210v2 Announce Type: replace Abstract: Stochastic quantum trajectories, such as pure state evolutions under unitary dynamics and random measurements, offer a crucial ensemble description of many-body open system dynamics. Recent studies have highlighted that individual quantum trajectories also encode esse...
https://arxiv.org/abs/2504.00210
Academic Papers
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490f6757643d8c40a533071962d521b88fc09f1f16f7457a14a966472a3d8071
2026-01-07T00:00:00-05:00
Loschmidt echo zeros in finite-size quantum systems with linear quench
arXiv:2504.00483v2 Announce Type: replace Abstract: Dynamical quantum phase transitions reveal singularities in quench dynamics, characterized by the emergence of Loschmidt echo zeros at critical times, which usually exist only in the thermodynamic limit but are absent in finite-size quantum systems. In this Letter, we...
https://arxiv.org/abs/2504.00483
Academic Papers
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1ee9a8152e49a2085fde89c8a017c80771a5bf6f9548ea990fe10c585e4d84b0
2026-01-07T00:00:00-05:00
Markov Gap and Bound Entanglement in Haar Random State
arXiv:2504.04802v2 Announce Type: replace Abstract: Bound entanglement refers to entangled states that cannot be distilled into maximally entangled states and therefore cannot directly be used in many quantum information processing protocols. We identify a relationship between bound entanglement and the Markov gap, whi...
https://arxiv.org/abs/2504.04802
Academic Papers
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0c4de82b33018410fc43e6181cce441cd56815e74c43639befd632af746e7f36
2026-01-07T00:00:00-05:00
Matrix-product-state approach for qubits-waveguide systems in real space
arXiv:2505.19424v2 Announce Type: replace Abstract: We present a matrix-product-state-based numerical approach for simulating systems composed of several qubits and a common one-dimensional waveguide. In the presented approach, the one-dimensional waveguide is modeled in real space. Thus, one can use the advantage of m...
https://arxiv.org/abs/2505.19424
Academic Papers
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e7386e989c6476d731a088dc2689ef53fdb32456c9a2d9126d3e99e6bef08a81
2026-01-07T00:00:00-05:00
A Cost-Effective Layout-Aware Quantum Circuit Synthesis For Triangular, Square, and Heavy-Hex Layouts
arXiv:2506.20098v2 Announce Type: replace Abstract: The quantum layout and the mapping of logical to physical qubits are crucial in quantum circuit synthesis for a real quantum computer. Circuits that include large $n$-bit Toffoli gates ($n \geq 3$), such as those designed from cost-expensive gates and hard-to-decompos...
https://arxiv.org/abs/2506.20098
Academic Papers
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a232b116122c65b4f4cb765b17eed1360ac1840970c2bd2853ce540d1acd1430
2026-01-07T00:00:00-05:00
Thermodynamic criteria for signaling in quantum channels
arXiv:2506.20428v2 Announce Type: replace Abstract: Signaling quantum channels are fundamental to quantum communication, enabling the transfer of information from input to output states. In contrast, thermalisation erases information about the initial state. This raises a crucial question: How does the thermalising ten...
https://arxiv.org/abs/2506.20428
Academic Papers
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37281e6e6331514035e3e7ea4840391d63964034e5124cfe9a8d73cc6a5712d2
2026-01-07T00:00:00-05:00
The Dual Role of Low-Weight Pauli Propagation: A Flawed Simulator but a Powerful Initializer for Variational Quantum Algorithms
arXiv:2508.06358v2 Announce Type: replace Abstract: Variational quantum algorithms are often hindered by rugged optimization landscapes. In this Letter, we investigate the low-weight Pauli propagation (LWPP) algorithm and find that it serves as an unreliable energy estimator for variational circuits. However, we reveal...
https://arxiv.org/abs/2508.06358
Academic Papers
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4f7eed1d8cd87a3e77a611b5863684985e57df1e05bf1680cec549f45d10ac24
2026-01-07T00:00:00-05:00
Noise-Resilient Spatial Search with Lackadaisical Quantum Walks
arXiv:2508.13462v2 Announce Type: replace Abstract: Quantum walks are a powerful framework for the development of quantum algorithms, with lackadaisical quantum walks (LQWs) standing out as an efficient model for spatial search. In this work, we investigate how broken-link decoherence affects the performance of LQW-bas...
https://arxiv.org/abs/2508.13462
Academic Papers
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9c9476cdad2608a4067f7c687aff6328569c8dd29b641076c2ffeda2a1f20928
2026-01-07T00:00:00-05:00
Chiral Discrimination on Gate-Based Quantum Computers
arXiv:2508.18546v2 Announce Type: replace Abstract: We present a novel approach to chiral discrimination using gate-based quantum processors, addressing a key challenge in adapting conventional control techniques using modern quantum computing. Schemes such as stimulated rapid adiabatic passage (STIRAP) and shortcuts t...
https://arxiv.org/abs/2508.18546
Academic Papers
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cfe89149764ec21aaf8823c7dcd381b595fb2237ac673166c9043e061132ef41
2026-01-07T00:00:00-05:00
Hybrid Lattice Surgery: Non-Clifford Gates via Non-Abelian Surface Codes
arXiv:2510.20890v2 Announce Type: replace Abstract: In universal fault-tolerant quantum computing, implementing logical non-Clifford gates often demands substantial spacetime resources for many error-correcting codes, including the high-threshold surface code. A critical mission for realizing large-scale quantum comput...
https://arxiv.org/abs/2510.20890
Academic Papers
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a03b6763f453deeacac88c57312de9b7e678bdd05bcfdc3ef84eb70fabe5c956
2026-01-07T00:00:00-05:00
Non-commutativity as a Universal Characterization for Enhanced Quantum Metrology
arXiv:2511.22280v2 Announce Type: replace Abstract: A central challenge in quantum metrology is to effectively harness quantum resources to surpass classical precision bounds. Although recent studies suggest that the indefinite causal order may enable sensitivities to attain the super-Heisenberg scaling, the physical o...
https://arxiv.org/abs/2511.22280
Academic Papers
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a4e111c47032a49fc930d83edee6c663a1bb60109748a5fd9fa1f05bed794d6d
2026-01-07T00:00:00-05:00
Electrical Control of Optically Active Single Spin Qubits in ZnSe
arXiv:2512.21462v2 Announce Type: replace Abstract: Electrons bound to shallow donors in ZnSe quantum wells are promising candidates for optically addressable spin qubits and single-photon sources. However, their optical coherence and indistinguishability are often limited by spectral broadening arising from charge flu...
https://arxiv.org/abs/2512.21462
Academic Papers
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ccb200f3e496e89fa4f2b4a3c7fe7d2b405e5aa1d318ec6ebc3cb66a720d8bf6
2026-01-07T00:00:00-05:00
A method for robust spin relaxometry in the presence of imperfect state preparation
arXiv:2512.22739v2 Announce Type: replace Abstract: Spin relaxometry based on quantum spin systems has developed as a valuable tool in medical and condensed matter systems, offering the advantage of operating without the need for external DC or RF fields. Spin relaxometry with nitrogen-vacancy (NV) centers has been app...
https://arxiv.org/abs/2512.22739
Academic Papers
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9135d7f4b243faf7a3a96d4bc0f71d7d8ed18c50d941dbfba6afdc3a974f845f
2026-01-07T00:00:00-05:00
The Equivalence between Hardy-type paradox and Logical Contextuality
arXiv:2601.01445v2 Announce Type: replace Abstract: Hardy-type paradoxes offer elegant, inequality-free proof of quantum contextuality. In this work, we introduce a unified logical formulation for general Hardy-type paradoxes, which we term logical Hardy-type paradoxes. We prove that for any finite scenario, the existe...
https://arxiv.org/abs/2601.01445
Academic Papers
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956e37c7ed9dd790093ca083d6395f301690ecbe75a89a2855898ece7fbdc7f0
2026-01-07T00:00:00-05:00
Preempting Fermion Sign Problem: Unveiling Quantum Criticality through Nonequilibrium Dynamics in Imaginary Time
arXiv:2410.18854v2 Announce Type: replace-cross Abstract: The notorious fermion sign problem, arising from fermion statistics, presents a fundamental obstacle to the numerical simulation of quantum many-body systems. Here, we introduce a framework that circumvents the sign problem in the studies of quantum criticality ...
https://arxiv.org/abs/2410.18854
Academic Papers
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7cc1569aae22760fa587fd47c6d683ec0bd8612ad671e6306eb8a92a943a71bd
2026-01-07T00:00:00-05:00
The $\theta$-vacuum from functional renormalisation
arXiv:2507.22318v2 Announce Type: replace-cross Abstract: We study topological properties of a quantum mechanical system with $U(1)$-symmetry within the functional renormalisation group (fRG) approach. These properties include the vacuum energy structure and the topological susceptibility. Our approach works with a com...
https://arxiv.org/abs/2507.22318
Academic Papers
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30d497fcbc61540e618240df9f77443871b45a111837d88c2a2af63db1d71ee9
2026-01-07T00:00:00-05:00
Variational and field-theoretical approach to exciton-exciton interactions and biexcitons in semiconductors
arXiv:2510.05242v2 Announce Type: replace-cross Abstract: Bound electron-hole pairs in semiconductors known as excitons are the subject of intense research due to their potential for optoelectronic devices and applications, especially in the realm of two-dimensional materials. While the properties of free excitons in t...
https://arxiv.org/abs/2510.05242
Academic Papers
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1afa8bbf5391ae619a194c4ea2e35d9f406cd2250862999ce56385cb888da064
2026-01-07T00:00:00-05:00
Site-Order Optimization in the Density Matrix Renormalization Group via Multi-Site Rearrangement
arXiv:2512.22021v2 Announce Type: replace-cross Abstract: In the approaches based on matrix-product states (MPSs), such as the density-matrix renormalization group (DMRG) method, the ordering of the sites crucially affects the computational accuracy. We investigate the performance of an algorithm that searches for the ...
https://arxiv.org/abs/2512.22021
Academic Papers
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81d517d006350acc8eb9f9a33ef64e42e3575394160fc2cab576fe5b5a52a260
2026-01-07T00:00:00-05:00
Exact Mobility Edges in a Disorder-Free Dimerized Stark Lattice with Effective Unbounded Hopping
arXiv:2601.02259v2 Announce Type: replace-cross Abstract: We propose a disorder-free one-dimensional single-particle Hamiltonian hosting an exact mobility edge (ME), placing the system outside the assumptions of no-go theorems regarding unbounded potentials. By applying a linear Stark potential selectively to one subla...
https://arxiv.org/abs/2601.02259
Academic Papers
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5c6792474799912692d8b292053d731fc5523e93fe5ff9227f5ee3883c5ff5a2
2026-01-07T08:20:27+00:00
Trump says Venezuela will turn over oil to US
President says money earned from sale of up to 50mn barrels of sanctioned crude ‘will be controlled by me’
https://www.ft.com/content/08ca8f8e-6e52-4344-9c0d-2433e98e204c
Business & Finance
https://www.ft.com/__ori…0&fit=scale-down
6cb199eafb163385f4d4f706f75dded4abc95bda45c6087d6202be6f1fa69c0e
2026-01-07T05:00:28+00:00
Hedge funds hunt for Venezuela’s unpaid financial claims
US capture of Nicolás Maduro lifts hopes that country will make good on some debt
https://www.ft.com/content/2c04228d-2f2b-49d7-bbed-974053e285b9
Business & Finance
https://www.ft.com/__ori…0&fit=scale-down
c2a1806f70d2b4cda688355cbc9d2d43862ad2137e36bb92e1a0a8de7ad726d7
2026-01-06T22:56:13+00:00
Polymarket refuses to pay bets that US would ‘invade’ Venezuela
Prediction market disputes US raid amounted to an invasion in fight over more than $10.5mn in wagers
https://www.ft.com/content/985ae542-1ab4-491e-8e6e-b30f6a3ab666
Business & Finance
https://www.ft.com/__ori…0&fit=scale-down
a64203584b85aa821dd990bc1064b8165548b25a5e9e15ec99abf7ff274ab06d
2026-01-07T05:00:28+00:00
Cuba: what is left for Trump to topple?
Washington hopes Nicolás Maduro’s capture will hasten the downfall of the ossified communist regime in Havana
https://www.ft.com/content/d859d893-1e2a-4ae6-a3d4-c9c505954f16
Business & Finance
https://www.ft.com/__ori…0&fit=scale-down
00674f375cd24e4aa93c65912bd685d567e17703517dffb71ab082329ef860ae
2026-01-07T05:00:19+00:00
Don’t be fooled — everything has changed for the global economy
Damage caused by US tariffs has so far been muted but that won’t last
https://www.ft.com/content/9c8212b8-568f-4ea2-829a-9b7a13b93f1d
Business & Finance
https://www.ft.com/__ori…0&fit=scale-down
1392d13d49d5266b374790bd829195857ab8e03de7ea59f521c10bb8b150be0a
2026-01-07T05:00:19+00:00
Watch out for America’s activist attorneys-general
Top state lawyers are joining together to challenge Trump and rein in big business
https://www.ft.com/content/74dcb89a-9aed-4fba-b07a-f360c8824394
Business & Finance
https://www.ft.com/__ori…0&fit=scale-down
95fff20cf5fff38ad638164813e926384280610666caa8d91e3e7f6a87f55e28
2026-01-07T08:34:03+00:00
US says using military is among ‘options’ to acquire Greenland
White House says annexation of semi-autonomous territory from Denmark is ‘national security priority’
https://www.ft.com/content/28485ea3-68ce-4897-8b74-b728d54b5479
Business & Finance
https://www.ft.com/__ori…0&fit=scale-down
9885cfa56e73ee4c6a081d7928ae54d1155c55087ce27b11a38aed2cb8834812
2026-01-07T05:00:28+00:00
Chevron and Quantum Capital Group line up bid for $22bn of Lukoil assets
Trump administration signals support for proposal to divvy up sanctioned Russian company’s international businesses
https://www.ft.com/content/20e6d968-54c9-40ce-b9fd-bc066a908fff
Business & Finance
https://www.ft.com/__ori…0&fit=scale-down
33f4541dd5be0452b50bd4e0a5db4f757763ff98fc1cf5955cfb123bee154936
2026-01-07T05:00:07+00:00
Italy’s Meloni plans voting system overhaul to aid re-election bid
Governments have repeatedly tweaked electoral rules in their favour over past decades
https://www.ft.com/content/af940a0e-9a46-4d19-a2f8-174fddfcbe19
Business & Finance
https://www.ft.com/__ori…0&fit=scale-down
f29d094cbd3195d728b8cd160f88ec389027b5d3016a11d14282db2896b7502b
2026-01-07T05:00:07+00:00
European banks poised for €30bn interest income rebound
Loan growth and hedging help bolster banking sector profitability
https://www.ft.com/content/017dba93-bf22-424d-9b9a-8e01ec30d769
Business & Finance
https://www.ft.com/__ori…0&fit=scale-down
b5eca780fadfcf1254a8e3f882d34554f485cc679f1fc8150a7a11d28c95b294
2026-01-07T07:37:00+00:00
Trump says Venezuela will send U.S. up to 50 million barrels of oil — and he’ll control the proceeds
President Donald Trump late Tuesday said Venezuela will send the U.S. 30 million to 50 million barrels of oil, which will then be sold by the U.S. and the proceeds controlled by him.
https://www.marketwatch.com/story/trump-says-venezuela-will-send-u-s-up-to-50-million-barrels-of-oil-and-hell-control-the-proceeds-5e05efa0?mod=mw_rss_topstories
Business & Finance
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67b00c29a2e4035a60d905c7ba09a266e2b6603e404db3e81233daa0e3586aac
2026-01-06T23:34:00+00:00
As Tesla’s stock falls, Elon Musk brushes off Nvidia’s competitive threat
Nvidia is ramping up its work on driverless vehicle technology, a field dominated by Tesla and a few other players. But Musk doesn’t see an imminent reason to worry.
https://www.marketwatch.com/story/elon-musk-is-brushing-off-nvidias-attempt-to-take-on-tesla-554a8134?mod=mw_rss_topstories
Business & Finance
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f5663d789dd22c897d9a11117d9dc8cb7863c44605bec070ab4c6d1145494df9
2026-01-06T23:29:00+00:00
Why Sandisk’s stock just soared to its best day in 11 months
Memory and storage stocks reigned supreme in 2025 and are leading the pack once again to start 2026.
https://www.marketwatch.com/story/why-sandisks-stock-is-soaring-toward-its-best-day-in-11-months-9f4a51c6?mod=mw_rss_topstories
Business & Finance
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204559e41354b49acb39d32340c2df9bb33de839ce72c29c28a47e0771df93e4
2026-01-06T23:21:00+00:00
Strategy’s stock is rising as investors get some much-needed good news
Strategy gets to stay in MSCI indexes for now — though the index provider says it will launch a more general review of whether investment-oriented companies can keep their spots.
https://www.marketwatch.com/story/strategys-stock-is-rising-as-investors-get-some-much-needed-good-news-971e0f9f?mod=mw_rss_topstories
Business & Finance
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a16d1b8d89ee1e953a56438a41ac68d82677d53d22fe7d48b25346e0724d59cb
2026-01-06T23:13:00+00:00
I’m retired and selling my home after 35 years — what’s changed since the ‘90s?
Retirees need to learn a lot before undertaking the task. They are wise to begin long before listing their homes.
https://www.marketwatch.com/story/planning-to-sell-your-home-in-retirement-do-these-tasks-first-ef5cb0b4?mod=mw_rss_topstories
Business & Finance
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94770df7e673eb8ff9c92a4f1edc7f0342563c78523cabc17e73582ea7f333d0
2026-01-06T23:10:00+00:00
Why U.S. oil refiners could be the big winners in Venezuela — even if its actual reserves disappoint
Refiners in the U.S. have the distinctive ability to handle the type of heavy crude Venezuela claims to have in abundance.
https://www.marketwatch.com/story/why-u-s-oil-refiners-could-be-the-big-winners-in-venezuela-even-if-its-actual-reserves-disappoint-6a9a6b1a?mod=mw_rss_topstories
Business & Finance
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7d992204d287dd1775012c06b3dd5b4cca4e88f4e7c7660358f7e228feaed6ef
2026-01-06T22:59:00+00:00
‘He even bragged about his Mercedes-Benz:’ I rejected two egotistical advisers. I managed my life savings and they tripled over 25 years. Did I do OK?
“We do not take out-of-country or five-star vacations. Instead, we enjoy time with family and friends and hobbies.”
https://www.marketwatch.com/story/he-even-bragged-about-his-mercedes-benz-i-rejected-two-egotistical-advisers-i-managed-my-life-savings-and-they-tripled-over-25-years-did-i-do-ok-148d5d2e?mod=mw_rss_topstories
Business & Finance
https://images.mktw.net/im-62429339
2624c82fbc4949572ceecafd35c660d2c080a78d8aa1e000b7220e430121d649
2026-01-06T22:41:00+00:00
‘We track our finances religiously’: Are we obliged to pay for our daughter’s medical school? We have $2.6 million saved for retirement.
“I am retired, and my wife is an employed physician. She is 56 and would like to retire as well.”
https://www.marketwatch.com/story/we-track-our-finances-religiously-do-we-pay-for-our-daughters-medical-school-weve-2-6-million-for-retirement-acd99b84?mod=mw_rss_topstories
Business & Finance
https://images.mktw.net/im-42962860
ed3563e1a416b9e74068796ee4adfbdbb074725f80e41cb3794d06997a4ba54a
2026-01-06T22:28:00+00:00
Elon Musk is taking on ChatGPT — and xAI now has $20 billion more to do it
Cisco Investments and Nvidia were strategic investors in a newly announced funding round.
https://www.marketwatch.com/story/elon-musk-is-taking-on-chatgpt-and-xai-now-has-20-billion-more-to-do-it-ec28bc2d?mod=mw_rss_topstories
Business & Finance
https://images.mktw.net/im-84875009
a6686f47d177b52f289a2bc1c992ae3809f871d91e8222f77491afad3bf550c7
2026-01-06T22:04:00+00:00
What you need to know about changes to Social Security, Medicare and Medicaid in 2026
Here’s a rundown of what retirees and savers can expect in the coming year.
https://www.marketwatch.com/story/what-you-need-to-know-about-changes-to-social-security-medicare-and-medicaid-in-2026-549b2f8c?mod=mw_rss_topstories
Business & Finance
https://images.mktw.net/im-22332988
c73b995790b584ca061a070fb186a2144cee608f4a6f88ed47addf97e7839269
2026-01-07T07:54:23+00:00
Why Trump wants Greenland — and what makes it so important for national security
Greenland, a vast and sparsely populated self-governing Danish territory, has been thrust into the geopolitical spotlight once again.
https://www.cnbc.com/2026/01/07/why-trump-wants-greenland-and-what-makes-it-so-important-for-security.html
Business & Finance
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