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2022-06-26 | Impact of Channel Memory on the Data Freshness | In this letter, we investigate the impact of channel memory on the average
age of information (AoI) for networks with various packet arrival models under
first-come-first-served (FCFS) and preemptive last-generated-first-served
(pLGFS) policies over Gilbert-Elliott (GE) erasure channel. For networks with
Bernoulli arri... | 2206.12797v3 |
2022-07-06 | Light-weight spatio-temporal graphs for segmentation and ejection fraction prediction in cardiac ultrasound | Accurate and consistent predictions of echocardiography parameters are
important for cardiovascular diagnosis and treatment. In particular,
segmentations of the left ventricle can be used to derive ventricular volume,
ejection fraction (EF) and other relevant measurements. In this paper we
propose a new automated metho... | 2207.02549v1 |
2022-07-15 | Probing helium reionization with kinetic Sunyaev Zel'dovich tomography | Reionization of helium is expected to occur at redshifts $z\sim3$ and have
important consequences for quasar populations, galaxy formation, and the
morphology of the intergalactic medium, but there is little known empirically
about the process. Here we show that kinetic Sunyaev-Zeldovich (kSZ)
tomography, based on the ... | 2207.07660v1 |
2022-07-18 | Optimal and tight Bell inequalities for state-independent contextuality sets | Two fundamental quantum resources, nonlocality and contextuality, can be
connected through Bell inequalities that are violated by state-independent
contextuality (SI-C) sets. These Bell inequalities allow for applications that
require simultaneous nonlocality and contextuality. However, for existing Bell
inequalities, ... | 2207.08850v3 |
2022-07-25 | Minimax Rates for High-dimensional Double Sparse Structure over $\ell_u(\ell_q)$-balls | In this paper, we focus on the high-dimensional double sparse structure,
where the parameter of interest simultaneously encourages group-wise sparsity
and element-wise sparsity in each group. By combining the Gilbert-Varshamov
bound and its variants, we develop a novel lower bound technique for the metric
entropy of th... | 2207.11888v2 |
2022-08-02 | Two-Stream Transformer Architecture for Long Video Understanding | Pure vision transformer architectures are highly effective for short video
classification and action recognition tasks. However, due to the quadratic
complexity of self attention and lack of inductive bias, transformers are
resource intensive and suffer from data inefficiencies. Long form video
understanding tasks ampl... | 2208.01753v1 |
2022-08-03 | Mass and generalized Thiele equation of the magnetic skyrmion | An analytical expression is obtained for the mass of an isolated magnetic
skyrmion and its linearized equation of motion. The magnetic skyrmion is viewed
as a topologically protected spin-wave soliton in the magnetic ultrathin films
stabilized by the interfacial-Dzyaloshinskii-Moriya interaction. The equations
of motio... | 2208.01835v2 |
2022-08-07 | Transition state theory characterizes thin film macrospin dynamics driven by an oscillatory magnetic field: Inertial effects | Understanding the magnetization switching process in ferromagnetic thin films
is essential for many technological applications. We investigate the effects of
periodic driving via magnetic fields on a macrospin system under explicit
consideration of inertial dynamics. This is usually achieved by extending the
Landau-Lif... | 2208.03613v1 |
2022-08-09 | HyperNST: Hyper-Networks for Neural Style Transfer | We present HyperNST; a neural style transfer (NST) technique for the artistic
stylization of images, based on Hyper-networks and the StyleGAN2 architecture.
Our contribution is a novel method for inducing style transfer parameterized by
a metric space, pre-trained for style-based visual search (SBVS). We show for
the f... | 2208.04807v1 |
2022-08-19 | Byzantine Consensus is Θ(n^2): The Dolev-Reischuk Bound is Tight even in Partial Synchrony! [Extended Version] | The Dolev-Reischuk bound says that any deterministic Byzantine consensus
protocol has (at least) quadratic communication complexity in the worst case.
While it has been shown that the bound is tight in synchronous environments, it
is still unknown whether a consensus protocol with quadratic communication
complexity can... | 2208.09262v2 |
2022-08-26 | Randomised Composition and Small-Bias Minimax | We prove two results about randomised query complexity $\mathrm{R}(f)$.
First, we introduce a "linearised" complexity measure $\mathrm{LR}$ and show
that it satisfies an inner-optimal composition theorem: $\mathrm{R}(f\circ g)
\geq \Omega(\mathrm{R}(f) \mathrm{LR}(g))$ for all partial $f$ and $g$, and
moreover, $\mathr... | 2208.12896v1 |
2022-09-04 | Lévy flights as an emergent phenomenon in a spatially extended system | Anomalous diffusion and L\'evy flights, which are characterized by the
occurrence of random discrete jumps of all scales, have been observed in a
plethora of natural and engineered systems, ranging from the motion of
molecules to climate signals. Mathematicians have recently unveiled mechanisms
to generate anomalous di... | 2209.01520v3 |
2022-08-29 | Probably Something: A Multi-Layer Taxonomy of Non-Fungible Tokens | Purpose: This paper aims to establish a fundamental and comprehensive
understanding of Non-Fungible Tokens (NFTs) by identifying and structuring
common characteristics within a taxonomy. NFTs are hyped and increasingly
marketed as essential building blocks of the Metaverse. However, the dynamic
evolution of the NFT spa... | 2209.05456v1 |
2022-09-19 | Introducing the step Monte Carlo method for simulating dynamic properties | In this work, we introduce a simple modification of the Monte Carlo
algorithm, which we call step Monte Carlo (sMC). The sMC approach allows to
simulate processes far from equilibrium and obtain information about the
dynamic properties of the system under investigation. In the approach proposed
here the probability of ... | 2209.08961v3 |
2022-09-23 | Logarithmically larger deletion codes of all distances | The deletion distance between two binary words $u,v \in \{0,1\}^n$ is the
smallest $k$ such that $u$ and $v$ share a common subsequence of length $n-k$.
A set $C$ of binary words of length $n$ is called a $k$-deletion code if every
pair of distinct words in $C$ has deletion distance greater than $k$. In 1965,
Levenshte... | 2209.11882v2 |
2022-10-19 | Generalised form of the magnetic anisotropy field in micromagnetic and atomistic spin models | We present a general approach to the derivation of the effective anisotropy
field which determines the dynamical behaviour of magnetic spins according to
the Landau-Lifshitz-Gilbert equation. The approach is based on the gradient in
spherical polar coordinates with the final results being expressed in Cartesian
coordin... | 2210.10916v4 |
2022-10-27 | Formal Semantics for the Halide Language | We present the first formalization and metatheory of language soundness for a
user-schedulable language, the widely used array processing language Halide.
User-schedulable languages strike a balance between abstraction and control in
high-performance computing by separating the specification of what a program
should co... | 2210.15740v1 |
2022-11-08 | SLATE: A Sequence Labeling Approach for Task Extraction from Free-form Inked Content | We present SLATE, a sequence labeling approach for extracting tasks from
free-form content such as digitally handwritten (or "inked") notes on a virtual
whiteboard. Our approach allows us to create a single, low-latency model to
simultaneously perform sentence segmentation and classification of these
sentences into tas... | 2211.04454v2 |
2022-11-10 | Unifying the communicable disease spreading paradigm with Gompertzian growth | A number of studies have shown that cumulative mortality followed a Gompertz
curve in the initial Covid pandemic period, March-April 2020. We show that the
Gompertz curve is incompatible with expected initial logistic growth curves as
predicted by traditional Susceptible-Infected-Recovered (SIR) models, and
propose a n... | 2211.05653v2 |
2022-11-12 | Helio2024 Science White Paper: ngGONG -- Future Ground-based Facilities for Research in Heliophysics and Space Weather Operational Forecast | Long-term synoptic observations of the Sun are critical for advancing our
understanding of Sun as an astrophysical object, understanding the solar
irradiance and its role in solar-terrestrial climate, for developing predictive
capabilities of solar eruptive phenomena and their impact on our home planet,
and heliosphere... | 2211.06712v1 |
2022-11-14 | SVS: Adversarial refinement for sparse novel view synthesis | This paper proposes Sparse View Synthesis. This is a view synthesis problem
where the number of reference views is limited, and the baseline between target
and reference view is significant. Under these conditions, current radiance
field methods fail catastrophically due to inescapable artifacts such 3D
floating blobs,... | 2211.07301v1 |
2022-11-15 | Viscosity of pure-glue QCD from the lattice | We calculate shear viscosity and bulk viscosity in SU(3) gauge theory on the
lattice at $1.5 \,T_c$. The viscosities are extracted via a Kubo formula from
the reconstructed spectral function which we determine from the Euclidean-time
dependence of the corresponding channel of the energy-momentum tensor
correlators. We ... | 2211.08230v2 |
2022-11-15 | Nonlinear chiral photocurrent in parity-violating magnetic Weyl semimetals | The strong correlation between the non-trivial band topology and the magnetic
texture makes magnetic Weyl semimetals excellent candidates for the
manipulation and detection of magnetization dynamics. The parity violation
together with the Pauli blocking cause only one Weyl node to contribute to the
photocurrent respons... | 2211.08521v1 |
2022-11-17 | 3D Interconnected Magnetic Nanowire Networks as Potential Integrated Multistate Memristors | Interconnected magnetic nanowire (NW) networks offer a promising platform for
3-dimensional (3D) information storage and integrated neuromorphic computing.
Here we report discrete propagation of magnetic states in interconnected Co
nanowire networks driven by magnetic field and current, manifested in distinct
magnetore... | 2211.09687v2 |
2022-11-22 | Enabling On-Demand Cyber-Physical Control Applications with UAV Access Points | Achieving cyber-physical control over a wireless channel requires satisfying
both the timeliness of a single packet and preserving the latency reliability
across several consecutive packets. To satisfy those requirements as an
ubiquitous service requires big infrastructural developments, or flexible
on-demand equipment... | 2211.12249v1 |
2022-11-30 | SuSpect3: A C++ Code for the Supersymmetric and Higgs Particle Spectrum of the MSSM | We present the program SuSpect3 that calculates the masses and couplings of
the Higgs and supersymmetric particles predicted by the Minimal Supersymmetric
Standard Model (MSSM). The model is implemented in both its non-constrained
version, the MSSM, and its constrained versions, such as the minimal
supergravity and the... | 2211.16956v2 |
2022-12-06 | Ground-based Synoptic Studies of the Sun | Ground-based synoptic solar observations provide critical contextual data
used to model the large-scale state of the heliosphere. The next decade will
see a combination of ground-based telescopes and space missions that will study
our Sun's atmosphere microscopic processes with unprecedented detail. This
white paper de... | 2212.03247v2 |
2022-12-14 | Non-uniform Superlattice Magnetic Tunnel Junctions | We propose a new class of non-uniform superlattice magnetic tunnel junctions
(Nu-SLTJs) with the Linear, Gaussian, Lorentzian, and P\"oschl-teller width and
height based profiles manifesting a sizable enhancement in the TMR($\approx
10^4-10^6\%$) with a significant suppression in the switching bias($\approx$9
folds) ow... | 2212.07202v2 |
2022-12-20 | A combinatorial proof of a tantalizing symmetry on Catalan objects | We investigate a tantalizing symmetry on Catalan objects. In terms of Dyck
paths, this symmetry is interpreted in the following way: if $w_{n,k,m}$ is the
number of Dyck paths of semilength $n$ with $k$ occurrences of $UD$ and $m$
occurrences of $UUD$, then $w_{2k+1,k,m}=w_{2k+1,k,k+1-m}$. We give two proofs
of this sy... | 2212.10586v1 |
2022-12-30 | Asymptotic Analysis of Harmonic Maps With Prescribed Singularities | Motivated by stationary vacuum solutions of the Einstein field equations, we
study singular harmonic maps from domains of 3-dimensional Euclidean space to
the hyperbolic plane having bounded hyperbolic distance to Kerr harmonic maps.
In the degenerate case, we prove that every such harmonic map admits a unique
tangent ... | 2212.14826v1 |
2023-01-06 | Measuring a Priori Voting Power -- Taking Delegations Seriously | We introduce new power indices to measure the a priori voting power of voters
in liquid democracy elections where an underlying network restricts
delegations. We argue that our power indices are natural extensions of the
standard Penrose-Banzhaf index in simple voting games. We show that computing
the criticality of a ... | 2301.02462v4 |
2023-01-10 | The spectral reconstruction of inclusive rates | A recently re-discovered variant of the Backus-Gilbert algorithm for spectral
reconstruction enables the controlled determination of smeared spectral
densities from lattice field theory correlation functions. A particular
advantage of this approach is the \emph{a priori} specification of the kernel
with which the under... | 2301.04072v1 |
2023-01-12 | Redundancy of Codes with Graph Constraints | In this paper, we study the redundancy of linear codes with graph
constraints. First we consider linear parity check codes based on bipartite
graphs with diversity and with generalized graph constraints. We describe
sufficient conditions on the constraint probabilities and use the probabilistic
method to obtain linear ... | 2301.04808v1 |
2023-01-12 | Magnetic-field-free nonreciprocal transport in graphene multi-terminal Josephson junctions | Nonreciprocal superconducting devices have attracted growing interest in
recent years as they potentially enable directional charge transport for
applications in superconducting quantum circuits. Specifically, the
superconducting diode effect has been explored in two-terminal devices that
exhibit superconducting transp... | 2301.05081v3 |
2023-01-24 | Recent Results from the FASTSUM Collaboration | The FASTSUM Collaboration has developed a comprehensive research programme in
thermal QCD using 2+1 flavour, anisotropic ensembles. In this talk, we
summarise some of our recent results including thermal hadron spectrum
calculations using our ``Generation 2L'' ensembles which have pion masses of
239(1) MeV. These inclu... | 2301.10282v1 |
2023-01-27 | Women's Perspectives on Harm and Justice after Online Harassment | Social media platforms aspire to create online experiences where users can
participate safely and equitably. However, women around the world experience
widespread online harassment, including insults, stalking, aggression, threats,
and non-consensual sharing of sexual photos. This article describes women's
perceptions ... | 2301.11733v1 |
2023-02-02 | Thermal and atomic effects on coupled-channels heavy-ion fusion | Stellar nuclear fusion reactions take place in a hot, dense plasma within
stars. To account for the effect of these environments, the theory of open
quantum systems is used to conduct pioneering studies of thermal and atomic
effects on fusion probability at a broad range of temperatures and densities.
Since low-lying e... | 2302.01272v2 |
2023-02-02 | Topological data analysis reveals differences between simulated galaxies and dark matter haloes | We use topological summaries based on Betti curves to characterize the
large-scale spatial distribution of simulated dark matter haloes and galaxies.
Using the IllustrisTNG and CAMELS-SAM simulations, we show that the topology of
the galaxy distribution is significantly different from the topology of the
dark matter ha... | 2302.01363v2 |
2023-02-06 | Landau theory for ferro-paramagnetic phase transition in finitely-strained viscoelastic magnets | The thermodynamic model of visco-elastic deformable magnetic materials at
finite strains is formulated in a fully Eulerian way in rates. The Landau
theory applies for ferro-to-para-magnetic phase transition, the gradient theory
(leading exchange energy) for magnetization with general mechanically dependent
coefficient,... | 2302.02850v1 |
2023-02-13 | Zero-frequency chiral magnonic edge states protected by non-equilibrium topology | Topological bosonic excitations must, in contrast to their fermionic
counterparts, appear at finite energies. This is a key challenge for magnons,
as it prevents straightforward excitation and detection of
topologically-protected magnonic edge states and their use in magnonic devices.
In this work, we show that in a no... | 2302.06597v3 |
2023-02-15 | Reliable optimization of arbitrary functions over quantum measurements | As the connection between classical and quantum worlds, quantum measurements
play a unique role in the era of quantum information processing. Given an
arbitrary function of quantum measurements, how to obtain its optimal value is
often considered as a basic yet important problem in various applications.
Typical example... | 2302.07534v1 |
2023-02-18 | Distributed Optimization for Reactive Power Sharing and Stability of Inverter-Based Resources Under Voltage Limits | Reactive power sharing and containment of voltages within limits for
inverter-based resources (IBRs) are two important, yet coupled objectives in ac
networks. In this article, we propose a distributed control technique to
simultaneously achieve these objectives. Our controller consists of two
components: a purely local... | 2302.09241v2 |
2023-02-21 | Micromagnetic study of inertial spin waves in ferromagnetic nanodots | Here we report the possibility to excite ultra-short spin waves in
ferromagnetic thin-films by using time-harmonic electromagnetic fields with
terahertz frequency. Such ultra-fast excitation requires to include inertial
effects in the description of magnetization dynamics. In this respect, we
consider the inertial Land... | 2302.10759v2 |
2023-03-04 | Dynamic Modeling and Validation of Soft Robotic Snake Locomotion | Soft robotic snakes made of compliant materials can continuously deform their
bodies and, therefore, mimic the biological snakes' flexible and agile
locomotion gaits better than their rigid-bodied counterparts. Without wheel
support, to date, soft robotic snakes are limited to emulating planar
locomotion gaits, which a... | 2303.02291v1 |
2023-03-20 | Semiparametric inference for relative heterogeneous vaccine efficacy between strains in observational case-only studies | The aim of this manuscript is to explore semiparametric methods for inferring
subgroup-specific relative vaccine efficacy in a partially vaccinated
population against multiple strains of a virus. We consider methods for
observational case-only studies with informative missingness in viral strain
type due to vaccination... | 2303.11462v1 |
2023-03-16 | Factoring the Matrix of Domination: A Critical Review and Reimagination of Intersectionality in AI Fairness | Intersectionality is a critical framework that, through inquiry and praxis,
allows us to examine how social inequalities persist through domains of
structure and discipline. Given AI fairness' raison d'etre of "fairness", we
argue that adopting intersectionality as an analytical framework is pivotal to
effectively oper... | 2303.17555v2 |
2023-04-04 | Direct in situ determination of the surface area and structure of deposited metallic lithium within lithium metal batteries using ultra small and small angle neutron scattering | Despite being the major cause of battery safety issues and detrimental
performance, a comprehensive growth mechanism for metallic lithium deposited at
electrode surfaces in lithium metal batteries remains elusive. While lithium
surface morphology is often derived indirectly, here, detailed information is
directly obtai... | 2304.01557v1 |
2023-04-10 | EKILA: Synthetic Media Provenance and Attribution for Generative Art | We present EKILA; a decentralized framework that enables creatives to receive
recognition and reward for their contributions to generative AI (GenAI). EKILA
proposes a robust visual attribution technique and combines this with an
emerging content provenance standard (C2PA) to address the problem of synthetic
image prov... | 2304.04639v1 |
2023-04-11 | NeAT: Neural Artistic Tracing for Beautiful Style Transfer | Style transfer is the task of reproducing the semantic contents of a source
image in the artistic style of a second target image. In this paper, we present
NeAT, a new state-of-the art feed-forward style transfer method. We
re-formulate feed-forward style transfer as image editing, rather than image
generation, resulti... | 2304.05139v1 |
2023-04-12 | ALADIN-NST: Self-supervised disentangled representation learning of artistic style through Neural Style Transfer | Representation learning aims to discover individual salient features of a
domain in a compact and descriptive form that strongly identifies the unique
characteristics of a given sample respective to its domain. Existing works in
visual style representation literature have tried to disentangle style from
content during ... | 2304.05755v2 |
2023-04-18 | UPGPT: Universal Diffusion Model for Person Image Generation, Editing and Pose Transfer | Text-to-image models (T2I) such as StableDiffusion have been used to generate
high quality images of people. However, due to the random nature of the
generation process, the person has a different appearance e.g. pose, face, and
clothing, despite using the same text prompt. The appearance inconsistency
makes T2I unsuit... | 2304.08870v2 |
2023-05-02 | The Pseudoinverse of $A=CR$ is $A^+=R^+C^+$ (?) | This paper gives three formulas for the pseudoinverse of a matrix product $A
= CR$. The first is sometimes correct, the second is always correct, and the
third is almost never correct. But that third randomized pseudoinverse $A^+_r$
may be very useful when $A$ is a very large matrix.
1. $A^+ = R^+C^+$ when $A = CR$ a... | 2305.01716v3 |
2023-05-10 | Symmetry and nonlinearity of spin wave resonance excited by focused surface acoustic waves | The use of a complex ferromagnetic system to manipulate GHz surface acoustic
waves is a rich current topic under investigation, but the high-power nonlinear
regime is under-explored. We introduce focused surface acoustic waves, which
provide a way to access this regime with modest equipment. Symmetry of the
magneto-aco... | 2305.06259v1 |
2023-05-16 | Phase locking in voltage-controlled parametric oscillator | A recent experimental demonstration of a parametric magnetization oscillation
excited by applying a microwave voltage to a ferromagnetic metal will be
applicable not only to a new magnetization switching method but also to
bio-inspired computing. It should be, however, noted that a phase of the
parametric magnetization... | 2305.09143v1 |
2023-05-16 | Non-periodic input-driven magnetization dynamics in voltage-controlled parametric oscillator | Input-driven dynamical systems have attracted attention because their
dynamics can be used as resources for brain-inspired computing. The recent
achievement of human-voice recognition by spintronic oscillator also utilizes
an input-driven magnetization dynamics. Here, we investigate an excitation of
input-driven chaos ... | 2305.09151v1 |
2023-05-23 | Approaches to inclusive semileptonic $B_{(s)}$-meson decays from Lattice QCD | We address the nonperturbative calculation of the inclusive decay rate of
semileptonic $B_{(s)}$-meson decays from lattice QCD. Precise Standard-Model
predictions are key ingredients in searches for new physics, and this type of
computation may eventually provide new insight into the long-standing tension
between the i... | 2305.14092v2 |
2023-05-25 | Crystallization dynamics of magnetic skyrmions in a frustrated itinerant magnet | We investigate the phase ordering kinetics of skyrmion lattice (SkL) in a
metallic magnet. The SkL can be viewed as a superposition of magnetic stripes
whose periods are determined by the quasi-nesting wave vectors of the
underlying Fermi surface. An effective magnetic Hamiltonian that describes the
electron-mediated s... | 2305.16182v1 |
2023-05-31 | Magnetization dynamics in a three-dimensional interconnected nanowire array | Three-dimensional magnetic nanostructures have recently emerged as artificial
magnetic material types with unique properties bearing potential for
applications, including magnonic devices. Interconnected magnetic nanowires are
a sub-category within this class of materials that is attracting particular
interest. We inve... | 2306.00174v1 |
2023-06-12 | Continuum Limit of Spin Dynamics on Hexagonal Lattice | Compared to their three-dimensional counterparts, two-dimensional materials
exhibit intriguing electronic and magnetic properties. Notable examples include
twisted graphene's superconducting states and chromium trichloride's meron spin
textures. Understanding nontrivial topological spin textures is crucial for
magnetiz... | 2306.06958v1 |
2023-06-23 | Molecular Insights into Chemical Reactions at Aqueous Aerosol Interfaces | Atmospheric aerosols facilitate reactions between ambient gases and dissolved
species. Here, we review our efforts to interrogate the uptake of these gases
and the mechanisms of their reactions both theoretically and experimentally. We
highlight the fascinating behavior of $\mathrm{N}_2\mathrm{O}_5$ in solutions
rangin... | 2306.13811v1 |
2023-07-09 | DIFF-NST: Diffusion Interleaving For deFormable Neural Style Transfer | Neural Style Transfer (NST) is the field of study applying neural techniques
to modify the artistic appearance of a content image to match the style of a
reference style image. Traditionally, NST methods have focused on texture-based
image edits, affecting mostly low level information and keeping most image
structures ... | 2307.04157v2 |
2023-07-11 | Charge conservation in spin torque oscillators leads to a self-induced torque | Spin torque oscillators are conventionally described by the
Landau-Lifshitz-Gilbert-Slonczewski (LLGS) equation. However, at the onset of
oscillations, the predictions of the conventional LLGS equation differ
qualitatively from experimental results and thus appear to be incomplete. In
this work we show that taking char... | 2307.05105v3 |
2023-07-13 | Magnon-magnon coupling in synthetic ferrimagnets | Magnetic multilayers with interlayer exchange coupling have been widely
studied for both static and dynamic regimes. Their dynamical responses depend
on the exchange coupling strength and magnetic properties of individual layers.
Magnetic resonance spectra in such systems are conveniently discussed in terms
of coupling... | 2307.06888v2 |
2023-07-14 | Mod $\ell$ gamma factors and a converse theorem for finite general linear groups | For $q$ a power of a prime $p$, we study gamma factors of representations of
$GL_n(\mathbb{F}_q)$ over an algebraically closed field $k$ of positive
characteristic $\ell \neq p$. We show that the reduction mod $\ell$ of the
gamma factor defined in characteristic zero fails to satisfy the analogue of
the local converse ... | 2307.07593v1 |
2023-07-20 | Pathwise central limit theorem and moderate deviations via rough paths for SPDEs with multiplicative noise | We put forward a general framework for the study of a pathwise central limit
theorem (CLT) and a moderate deviation principle (MDP) for stochastic partial
differential equations perturbed with a small multiplicative linear noise by
means of the theory of rough paths. The CLT can be interpreted as the
convergence to a p... | 2307.10965v1 |
2023-07-26 | Learning sources of variability from high-dimensional observational studies | Causal inference studies whether the presence of a variable influences an
observed outcome. As measured by quantities such as the "average treatment
effect," this paradigm is employed across numerous biological fields, from
vaccine and drug development to policy interventions. Unfortunately, the
majority of these metho... | 2307.13868v2 |
2023-07-26 | An Asynchronous and Low-Power True Random Number Generator using STT-MTJ | The emerging Spin Transfer Torque Magnetic Tunnel Junction (STT-MTJ)
technology exhibits interesting stochastic behavior combined with small area
and low operation energy. It is, therefore, a promising technology for security
applications, specifically the generation of random numbers. In this paper,
STT-MTJ is used to... | 2307.14476v1 |
2023-07-31 | Evidence of Pseudogravitational Distortions of the Fermi Surface Geometry in the Antiferromagnetic Metal FeRh | The confluence between high-energy physics and condensed matter has produced
groundbreaking results via unexpected connections between the two traditionally
disparate areas. In this work, we elucidate additional connectivity between
high-energy and condensed matter physics by examining the interplay between
spin-orbit ... | 2308.00192v1 |
2023-08-02 | MammoDG: Generalisable Deep Learning Breaks the Limits of Cross-Domain Multi-Center Breast Cancer Screening | Breast cancer is a major cause of cancer death among women, emphasising the
importance of early detection for improved treatment outcomes and quality of
life. Mammography, the primary diagnostic imaging test, poses challenges due to
the high variability and patterns in mammograms. Double reading of mammograms
is recomm... | 2308.01057v1 |
2023-08-02 | Sphaleron rate of $N_f=2+1$ QCD | We compute the sphaleron rate of $N_f=2+1$ QCD at the physical point for a
range of temperatures $200$ MeV $\lesssim T \lesssim 600$ MeV. We adopt a
strategy recently applied in the quenched case, based on the extraction of the
rate via a modified version of the Backus-Gilbert method from
finite-lattice-spacing and fin... | 2308.01287v3 |
2023-07-07 | AI and the EU Digital Markets Act: Addressing the Risks of Bigness in Generative AI | As AI technology advances rapidly, concerns over the risks of bigness in
digital markets are also growing. The EU's Digital Markets Act (DMA) aims to
address these risks. Still, the current framework may not adequately cover
generative AI systems that could become gateways for AI-based services. This
paper argues for i... | 2308.02033v1 |
2023-08-04 | Federated Learning: Organizational Opportunities, Challenges, and Adoption Strategies | Restrictive rules for data sharing in many industries have led to the
development of federated learning. Federated learning is a machine-learning
technique that allows distributed clients to train models collaboratively
without the need to share their respective training data with others. In this
paper, we first explor... | 2308.02219v2 |
2023-08-04 | Algorithm for evaluating distance-based entanglement measures | Quantifying entanglement in quantum systems is an important yet challenging
task due to its NP-hard nature. In this work, we propose an efficient algorithm
for evaluating distance-based entanglement measures. Our approach builds on
Gilbert's algorithm for convex optimization, providing a reliable upper bound
on the ent... | 2308.02326v1 |
2023-08-07 | Robust Ordinal Regression for Subsets Comparisons with Interactions | This paper is dedicated to a robust ordinal method for learning the
preferences of a decision maker between subsets. The decision model, derived
from Fishburn and LaValle (1996) and whose parameters we learn, is general
enough to be compatible with any strict weak order on subsets, thanks to the
consideration of possib... | 2308.03376v1 |
2023-08-07 | Strong Byzantine Agreement with Adaptive Word Complexity | The strong Byzantine agreement (SBA) problem is defined among n processes,
out of which t < n can be faulty and behave arbitrarily. SBA allows correct
(non-faulty) processes to agree on a common value. Moreover, if all correct
processes have proposed the same value, only that value can be agreed upon. It
has been known... | 2308.03524v1 |
2023-08-24 | Methods for transverse and longitudinal spin-photon coupling in silicon quantum dots with intrinsic spin-orbit effect | In a full-scale quantum computer with a fault-tolerant architecture, having
scalable, long-range interaction between qubits is expected to be a highly
valuable resource. One promising method of achieving this is through the
light-matter interaction between spins in semiconductors and photons in
superconducting cavities... | 2308.12626v1 |
2023-08-24 | Object level footprint uncertainty quantification in infrastructure based sensing | We examine the problem of estimating footprint uncertainty of objects imaged
using the infrastructure based camera sensing. A closed form relationship is
established between the ground coordinates and the sources of the camera
errors. Using the error propagation equation, the covariance of a given ground
coordinate can... | 2308.12846v1 |
2023-08-28 | Data fusion using weakly aligned sources | We introduce a new data fusion method that utilizes multiple data sources to
estimate a smooth, finite-dimensional parameter. Most existing methods only
make use of fully aligned data sources that share common conditional
distributions of one or more variables of interest. However, in many settings,
the scarcity of ful... | 2308.14836v1 |
2023-08-31 | Bi-level iterative regularization for inverse problems in nonlinear PDEs | We investigate the ill-posed inverse problem of recovering unknown spatially
dependent parameters in nonlinear evolution PDEs. We propose a bi-level
Landweber scheme, where the upper-level parameter reconstruction embeds a
lower-level state approximation. This can be seen as combining the classical
reduced setting and ... | 2308.16617v2 |
2023-09-03 | On Galois self-orthogonal algebraic geometry codes | Galois self-orthogonal (SO) codes are generalizations of Euclidean and
Hermitian SO codes. Algebraic geometry (AG) codes are the first known class of
linear codes exceeding the Gilbert-Varshamov bound. Both of them have attracted
much attention for their rich algebraic structures and wide applications in
these years. I... | 2309.01051v2 |
2023-09-17 | Unleashing Quantum Simulation Advantages: Hamiltonian Subspace Encoding for Resource Efficient Quantum Simulations | Number-conserved subspace encoding for fermionic Hamiltonians, which
exponentially reduces qubit cost, is necessary for quantum advantages in
variational quantum eigensolver (VQE). However, optimizing the trade-off
between qubit compression and increased measurement cost poses a challenge. By
employing the Gilbert-Vars... | 2309.09370v1 |
2023-09-20 | Dimensions of splines of degree two | Splines are defined as piecewise polynomials on the faces of a polyhedral
complex that agree on the intersections of two faces. Splines are used in
approximation theory and numerical analysis, with applications in data
interpolation, to create smooth curves in computer graphics and to find
numerical solutions to partia... | 2309.11650v1 |
2023-09-25 | DECORAIT -- DECentralized Opt-in/out Registry for AI Training | We present DECORAIT; a decentralized registry through which content creators
may assert their right to opt in or out of AI training as well as receive
reward for their contributions. Generative AI (GenAI) enables images to be
synthesized using AI models trained on vast amounts of data scraped from public
sources. Model... | 2309.14400v1 |
2023-10-05 | Multi-Resolution Audio-Visual Feature Fusion for Temporal Action Localization | Temporal Action Localization (TAL) aims to identify actions' start, end, and
class labels in untrimmed videos. While recent advancements using transformer
networks and Feature Pyramid Networks (FPN) have enhanced visual feature
recognition in TAL tasks, less progress has been made in the integration of
audio features i... | 2310.03456v1 |
2023-10-20 | The History and Risks of Reinforcement Learning and Human Feedback | Reinforcement learning from human feedback (RLHF) has emerged as a powerful
technique to make large language models (LLMs) easier to use and more
effective. A core piece of the RLHF process is the training and utilization of
a model of human preferences that acts as a reward function for optimization.
This approach, wh... | 2310.13595v2 |
2023-11-24 | The quenched glueball spectrum from smeared spectral densities | The standard approach to compute the glueball spectrum on the lattice relies
on the evaluation of effective masses from two-point correlation functions of
operators with the quantum numbers of the desired state. In this work, we
propose an alternative procedure, based on the numerical computation of smeared
spectral de... | 2311.14806v1 |
2023-11-28 | Data-efficient operator learning for solving high Mach number fluid flow problems | We consider the problem of using SciML to predict solutions of high Mach
fluid flows over irregular geometries. In this setting, data is limited, and so
it is desirable for models to perform well in the low-data setting. We show
that Neural Basis Functions (NBF), which learns a basis of behavior modes from
the data and... | 2311.16860v2 |
2023-11-30 | ZeST-NeRF: Using temporal aggregation for Zero-Shot Temporal NeRFs | In the field of media production, video editing techniques play a pivotal
role. Recent approaches have had great success at performing novel view image
synthesis of static scenes. But adding temporal information adds an extra layer
of complexity. Previous models have focused on implicitly representing static
and dynami... | 2311.18491v1 |
2023-12-05 | ViscoNet: Bridging and Harmonizing Visual and Textual Conditioning for ControlNet | This paper introduces ViscoNet, a novel method that enhances text-to-image
human generation models with visual prompting. Unlike existing methods that
rely on lengthy text descriptions to control the image structure, ViscoNet
allows users to specify the visual appearance of the target object with a
reference image. Vis... | 2312.03154v1 |
2023-12-08 | Convergent finite element methods for antiferromagnetic and ferrimagnetic materials | We consider the numerical approximation of a continuum model of
antiferromagnetic and ferrimagnetic materials. The state of the material is
described in terms of two unit-length vector fields, which can be interpreted
as the magnetizations averaging the spins of two sublattices. For the static
setting, which requires t... | 2312.04939v1 |
2023-12-18 | Modelling the 3D spatiotemporal organisation of chromatin replication | We propose a polymer model for the dynamics of chromatin replication in three
dimensional space. Our simulations indicate that both immobile and tracking
replisomes may self-assemble during the process, reconciling previous
apparently discordant experimental evidence in favour of either scenario. Which
of the two morph... | 2312.11275v1 |
2024-01-09 | Revealing dark exciton signatures in polariton spectra of 2D materials | Dark excitons in transition metal dichalcogenides (TMD) have been so far
neglected in the context of polariton physics due to their lack of oscillator
strength. However, in tungsten-based TMDs, dark excitons are known to be the
energetically lowest states and could thus provide important scattering
partners for polarit... | 2401.04588v1 |
2024-01-10 | Electrical Non-Hermitian Control of Topological Magnon Spin Transport | Magnonic topological phases realize chiral edge spin waves that are protected
against backscattering, potentially enabling highly efficient spin transport.
Here we show that the spin transport through these magnonic chiral edge states
can be electrically manipulated by non-Hermitian control. We consider the
paradigmati... | 2401.04967v2 |
2024-01-24 | The Dynamics of (Not) Unfollowing Misinformation Spreaders | Many studies explore how people 'come into' misinformation exposure. But much
less is known about how people 'come out of' misinformation exposure. Do people
organically sever ties to misinformation spreaders? And what predicts doing so?
Over six months, we tracked the frequency and predictors of ~900K followers
unfoll... | 2401.13480v2 |
2024-01-29 | FPGA Technology Mapping Using Sketch-Guided Program Synthesis | FPGA technology mapping is the process of implementing a hardware design
expressed in high-level HDL (hardware design language) code using the
low-level, architecture-specific primitives of the target FPGA. As FPGAs become
increasingly heterogeneous, achieving high performance requires hardware
synthesis tools that bet... | 2401.16526v1 |
2024-02-05 | Cybersickness Detection through Head Movement Patterns: A Promising Approach | Despite the widespread adoption of Virtual Reality (VR) technology,
cybersickness remains a barrier for some users. This research investigates head
movement patterns as a novel physiological marker for cybersickness detection.
Unlike traditional markers, head movements provide a continuous, non-invasive
measure that ca... | 2402.02725v2 |
2024-02-05 | Bifurcation to complex dynamics in largely modulated voltage-controlled parametric oscillator | An experimental demonstration of a parametric oscillation of a magnetization
in a ferromagnet was performed recently by applying a microwave voltage,
indicating the potential to be applied in a switching method in non-volatile
memories. In the previous works, the modulation of a perpendicular magnetic
anisotropy field ... | 2402.02742v1 |
2024-02-12 | Gravitational Lensing of Galaxy Clustering | We investigate lensing reconstruction using the clustered galaxy distribution
as a source field, using both the traditional cosmic microwave background
quadratic estimator and a shear-only estimator. We calculate the expected
signal-to-noise ratio of the cross power spectrum of such reconstructions with
cosmic shear me... | 2402.07988v1 |
2024-03-05 | Spintronic Implementation of UNet for Image Segmentation | Image segmentation plays a crucial role in computer vision applications like
self-driving cars, satellite imagery analysis, and medical diagnosis.
Implementing these complex deep neural networks on conventional hardware is
highly inefficient. In this work, we propose hardware implementation of UNet
for segmentation tas... | 2403.02863v1 |
2024-03-06 | A Survey on Adversarial Contention Resolution | Contention resolution addresses the challenge of coordinating access by
multiple processes to a shared resource such as memory, disk storage, or a
communication channel. Originally spurred by challenges in database systems and
bus networks, contention resolution has endured as an important abstraction for
resource shar... | 2403.03876v1 |
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