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We propose a continuum model for the theoretical study of hybridized moir\'e
excitons in transition metal dichalcogenides heterobilayers, and we use a
variational method to solve the exciton wavefunction and calculate the optical
absorption spectrum. The exciton continuum model is built by the charge
continuum model fo... | http://arxiv.org/abs/2304.13363v2 |
Inertia drift is an aggressive transitional driving maneuver, which is
challenging due to the high nonlinearity of the system and the stringent
requirement on control and planning performance. This paper presents a solution
for the consecutive inertia drift of an autonomous RC car based on
primitive-based planning and ... | http://arxiv.org/abs/2306.12604v1 |
Sampling techniques are used in many fields, including design of experiments,
image processing, and graphics. The techniques in each field are designed to
meet the constraints specific to that field such as uniform coverage of the
range of each dimension or random samples that are at least a certain distance
apart from... | http://arxiv.org/abs/2306.04066v1 |
Vision transformers (ViTs) quantization offers a promising prospect to
facilitate deploying large pre-trained networks on resource-limited devices.
Fully-binarized ViTs (Bi-ViT) that pushes the quantization of ViTs to its limit
remain largely unexplored and a very challenging task yet, due to their
unacceptable perform... | http://arxiv.org/abs/2305.12354v1 |
The recent creation of Townes solitons (TSs) in binary Bose-Einstein
condensates and experimental demonstration of spontaneous symmetry breaking
(SSB) in solitons propagating in dual-core optical fibers draw renewed interest
to the TS and SSB phenomenology in these and other settings. In particular,
stabilization of TS... | http://arxiv.org/abs/2307.03420v1 |
Neural radiance fields (NeRF) shows powerful performance in novel view
synthesis and 3D geometry reconstruction, but it suffers from critical
performance degradation when the number of known viewpoints is drastically
reduced. Existing works attempt to overcome this problem by employing external
priors, but their succes... | http://arxiv.org/abs/2305.19201v2 |
Understanding how two hands interact with each other is a key component of
accurate 3D interacting hand mesh recovery. However, recent Transformer-based
methods struggle to learn the interaction between two hands as they directly
utilize two hand features as input tokens, which results in distant token
problem. The dis... | http://arxiv.org/abs/2309.01943v1 |
X-rays have been observed in natural downward cloud-to-ground lightning for
over twenty years and in rocket-triggered lightning for slightly less. In both
cases, this energetic radiation has been detected during the stepped and dart
leader phases of downward negative flashes. More recently, X-rays have also
been report... | http://arxiv.org/abs/2310.04958v1 |
Comprehensive modeling of the surrounding 3D world is key to the success of
autonomous driving. However, existing perception tasks like object detection,
road structure segmentation, depth & elevation estimation, and open-set object
localization each only focus on a small facet of the holistic 3D scene
understanding ta... | http://arxiv.org/abs/2306.10013v1 |
We examine the effective theory of critical dynamics near superfluid phase
transitions in the framework of the Keldysh-Schwinger formalism. We focus on
the sector capturing the dynamics of the complex order parameter and the
conserved current corresponding to the broken global symmetry. After
constructing the theory up... | http://arxiv.org/abs/2304.06008v2 |
We exploit the idea of [Fen22] which proposes to build an efficient signature
scheme based on a zero-knowledge proof of knowledge of a solution of a MinRank
instance. The scheme uses the MPCitH paradigm, which is an efficient way to
build ZK proofs. We combine this idea with another idea, the hypercube
technique introd... | http://arxiv.org/abs/2307.08575v1 |
We construct moduli spaces of objects in an abelian categories satisfying
some finiteness hypotheses. Our approach is based on the work of Artin-Zhang
and the intrinsic construction of moduli spaces for stacks developed by
Alper-Halpern-Leistner-Heinloth. | http://arxiv.org/abs/2305.10543v1 |
There is not much that can be said for all $x$ and for all $n$ about the sum
\[ \sum_{k=1}^n \frac{1}{|\sin k\pi x|}. \] However, for this and similar sums,
series, and products, we can establish results for almost all $x$ using the
tools of continued fractions. We present in detail the appearance of these sums
in the ... | http://arxiv.org/abs/2302.05857v2 |
The speed-dependent spectral line profiles collapse into a simple Lorentz
profile in the regime dominated by the velocity-changing collisions. We derive
general formulas for the effective width and shift of the Lorentzian for
arbitrary speed-dependent collisional broadening and shift and
velocity-changing collision ope... | http://arxiv.org/abs/2305.11885v2 |
The effective use of noisy intermediate-scale quantum devices requires error
mitigation to improve the accuracy of sampled measurement distributions. The
more accurately the effects of noise on these distributions can be modeled, the
more closely error mitigation will be able to approach theoretical bounds. The
charact... | http://arxiv.org/abs/2310.15855v1 |
The Dissemination Process Classification (DPC) is a popular application of
temporal graph classification. The aim of DPC is to classify different
spreading patterns of information or pestilence within a community represented
by discrete-time temporal graphs. Recently, a reservoir computing-based model
named Dynamical G... | http://arxiv.org/abs/2307.01237v1 |
Non-local quantum computation (NLQC) is a cheating strategy for
position-verification schemes, and has appeared in the context of the AdS/CFT
correspondence. Here, we connect NLQC to the wider context of information
theoretic cryptography by relating it to a number of other cryptographic
primitives. We show one special... | http://arxiv.org/abs/2306.16462v6 |
The p-center problem consists in selecting p centers among M to cover N
clients, such that the maximal distance between a client and its closest
selected center is minimized. For this problem we propose two new and compact
integer formulations. Our first formulation is an improvement of a previous
formulation. It signi... | http://arxiv.org/abs/2302.04591v1 |
New biological assays like Perturb-seq link highly parallel CRISPR
interventions to a high-dimensional transcriptomic readout, providing insight
into gene regulatory networks. Causal gene regulatory networks can be
represented by directed acyclic graph (DAGs), but learning DAGs from
observational data is complicated by... | http://arxiv.org/abs/2305.19215v2 |
Automatic off-line design is an attractive approach to implementing robot
swarms. In this approach, a designer specifies a mission for the swarm, and an
optimization process generates suitable control software for the individual
robots through computer-based simulations. Most relevant literature has focused
on effectiv... | http://arxiv.org/abs/2305.16126v1 |
We briefly review scenarios with feebly interacting particles (FIMPs) as dark
matter candidates. The discussion covers issues with dark matter production in
the early universe as well as signatures of FIMPs at the high energy and high
intensity frontier as well as in astroparticle and cosmology. | http://arxiv.org/abs/2309.00491v1 |
We present in this work a new Universal Morphology dataset for Korean.
Previously, the Korean language has been underrepresented in the field of
morphological paradigms amongst hundreds of diverse world languages. Hence, we
propose this Universal Morphological paradigms for the Korean language that
preserve its distinc... | http://arxiv.org/abs/2305.06335v3 |
Modern search engines are built on a stack of different components, including
query understanding, retrieval, multi-stage ranking, and question answering,
among others. These components are often optimized and deployed independently.
In this paper, we introduce a novel conceptual framework called large search
model, wh... | http://arxiv.org/abs/2310.14587v2 |
Perturbations to the cosmic baryon density - and thus to the total-matter
density - can be induced by magnetohydronamic forces if there are primordial
magnetic fields. The power spectrum for these density perturbations was first
provided in 1996, but without much in the way of detail in the derivation, and
there has be... | http://arxiv.org/abs/2306.11319v2 |
Nowadays, there is growing interest in applying Artificial Intelligence (AI)
on board Earth Observation (EO) satellites for time-critical applications, such
as natural disaster response. However, the unavailability of raw satellite data
currently hinders research on lightweight pre-processing techniques and limits
the ... | http://arxiv.org/abs/2305.11891v2 |
This paper presents the calculation of the bounce-averaged drift of trapped
particles in a near-axis framework for axisymmetric and quasisymmetric magnetic
fields that possess up-down and stellarator symmetry respectively. This
analytic consideration provides important insight on the dependence of the
bounce-averaged d... | http://arxiv.org/abs/2308.00960v2 |
Neural radiance fields enable novel-view synthesis and scene reconstruction
with photorealistic quality from a few images, but require known and accurate
camera poses. Conventional pose estimation algorithms fail on smooth or
self-similar scenes, while methods performing inverse rendering from unposed
views require a r... | http://arxiv.org/abs/2303.08096v2 |
We address the task of in-the-wild human figure synthesis, where the primary
goal is to synthesize a full body given any region in any image. In-the-wild
human figure synthesis has long been a challenging and under-explored task,
where current methods struggle to handle extreme poses, occluding objects, and
complex bac... | http://arxiv.org/abs/2304.03164v2 |
Robotic affordances, providing information about what actions can be taken in
a given situation, can aid robotic manipulation. However, learning about
affordances requires expensive large annotated datasets of interactions or
demonstrations. In this work, we argue that well-directed interactions with the
environment ca... | http://arxiv.org/abs/2308.14915v3 |
The effect of ring stiffness and pressure on the glassy dynamics of a thermal
assembly of two-dimensional ring polymers is investigated using extensive
coarse-grained molecular dynamics simulations. In all cases, dynamical slowing
down is observed with increasing pressure and thereby a phase space for
equilibrium dynam... | http://arxiv.org/abs/2306.02403v1 |
Coded caching (CC) schemes exploit the cumulative cache memory of the users
and simple linear coding to turn unicast traffic (individual file requests)
into a multicast transmission. For the originally proposed $K$-user
single-server/single shared link network model, CC yields an $O(K)$ gain with
respect to conventiona... | http://arxiv.org/abs/2304.13377v2 |
Certifiably robust defenses against adversarial patches for image classifiers
ensure correct prediction against any changes to a constrained neighborhood of
pixels. PatchCleanser arXiv:2108.09135 [cs.CV], the state-of-the-art certified
defense, uses a double-masking strategy for robust classification. The success
of th... | http://arxiv.org/abs/2306.12610v1 |
Statistical modeling of high-dimensional matrix-valued data motivates the use
of a low-rank representation that simultaneously summarizes key characteristics
of the data and enables dimension reduction. Low-rank representations commonly
factor the original data into the product of orthonormal basis functions and
weight... | http://arxiv.org/abs/2307.13627v2 |
Spectral clustering is a popular and effective algorithm designed to find $k$
clusters in a graph $G$. In the classical spectral clustering algorithm, the
vertices of $G$ are embedded into $\mathbb{R}^k$ using $k$ eigenvectors of the
graph Laplacian matrix. However, computing this embedding is computationally
expensive... | http://arxiv.org/abs/2310.10939v1 |
Occlusion is an omnipresent challenge in 3D human pose estimation (HPE). In
spite of the large amount of research dedicated to 3D HPE, only a limited
number of studies address the problem of occlusion explicitly. To fill this
gap, we propose to combine exploitation of spatio-temporal features with
synthetic occlusion a... | http://arxiv.org/abs/2304.12069v1 |
In this paper, we tackle a critical issue in nonparametric inference for
systems of interacting particles on Riemannian manifolds: the identifiability
of the interaction functions. Specifically, we define the function spaces on
which the interaction kernels can be identified given infinite i.i.d
observational derivativ... | http://arxiv.org/abs/2305.12340v2 |
Passive hyperspectral long-wave infrared measurements are remarkably
informative about the surroundings, such as remote object material composition,
temperature, and range; and air temperature and gas concentrations. Remote
object material and temperature determine the spectrum of thermal radiance, and
range, air tempe... | http://arxiv.org/abs/2308.05818v1 |
The thermal management of cryogenic storage tanks requires advanced control
strategies to minimize the boil-off losses produced by heat leakages and
sloshing-enhanced heat and mass transfer. This work presents a
data-assimilation approach to calibrate a 0D thermodynamic model for cryogenic
fuel tanks from data collecte... | http://arxiv.org/abs/2310.11399v2 |
Electrostatic charge dissipation is one of the major concerns for satellites
operating in the Earth's orbits. Under energetic plasma conditions, they may
acquire very high negative potential (up to 10's of kV) due to the collection
of energetic plasma constituents - resulting in temporary outages and permanent
damages ... | http://arxiv.org/abs/2310.17930v1 |
The main challenge addressed in this paper is to identify individual terms in
a superposition of heat kernels on a graph. We establish geometric conditions
on the vertices at which these heat kernels are centered and find bounds on the
time parameter governing the evolution under the heat semigroup that guarantee
a suc... | http://arxiv.org/abs/2305.02635v1 |
In this work, we prove rigorous error estimates for a hybrid method
introduced in [15] for solving the time-dependent radiation transport equation
(RTE). The method relies on a splitting of the kinetic distribution function
for the radiation into uncollided and collided components. A high-resolution
method (in angle) i... | http://arxiv.org/abs/2306.04714v1 |
We explain optical and mirrors displacement bistability in a hybrid
optomechanical system in the presence of a strong laser driving field and a
weak probe field. External modulating fields are applied selectively on movable
mirrors. We show that the optomechanical coupling, electromechanical Coulomb
coupling and, ampli... | http://arxiv.org/abs/2307.05723v1 |
Language models~(LMs) gradually become general-purpose interfaces in the
interactive and embodied world, where the understanding of physical concepts is
an essential prerequisite. However, it is not yet clear whether LMs can
understand physical concepts in the human world. To investigate this, we design
a benchmark VEC... | http://arxiv.org/abs/2305.14057v1 |
Through the lens of non-commutative function theory, we examine a
non-selfadjoint variant of the Kadison--Singer problem on extensions of pure
states. More precisely, given a unital subspace $M$ of a $C^*$-algebra $B$, we
aim to characterize those pure states on $M$ admitting a unique extension to a
state on $B$. We fi... | http://arxiv.org/abs/2306.02365v2 |
Current theories of dynamical friction on galactic bars are based either on
linear perturbation theory, which is valid only in the fast limit where the bar
changes its pattern speed rapidly, or on adiabatic theory, which is applicable
only in the slow limit where the bar's pattern speed is near-constant. In this
paper,... | http://arxiv.org/abs/2305.00022v2 |
During few last years, climate change including global warming which is
attributed to human activities and also its long-term adverse effects on the
planet's functions have been identified as the most challenging discussion
topics which have arisen many concerns and efforts to find the possible
solutions. Since the war... | http://arxiv.org/abs/2304.07464v1 |
Mirrorless lasing has been a topic of particular interest for about a decade
due to promising new horizons for quantum science and applications. In this
work, we review first-principles theory that describes this phenomenon, and
discuss degenerate mirrorless lasing in a vapor of Rb atoms, the mechanisms of
amplificatio... | http://arxiv.org/abs/2308.07969v1 |
Deep learning advancements have revolutionized scalable classification in
many domains including computer vision. However, when it comes to
wearable-based classification and domain adaptation, existing computer
vision-based deep learning architectures and pretrained models trained on
thousands of labeled images for mon... | http://arxiv.org/abs/2307.00883v1 |
Symbolic Regression is a powerful data-driven technique that searches for
mathematical expressions that explain the relationship between input variables
and a target of interest. Due to its efficiency and flexibility, Genetic
Programming can be seen as the standard search technique for Symbolic
Regression. However, the... | http://arxiv.org/abs/2307.11756v1 |
It is possible to excite various linear and non-linear low-frequency modes in
dusty plasma which is an admixture of electrons, ions, gas atoms, and
negatively charged solid particles. The experimental as well as theoretical
study of these low-frequency dynamical modes in dusty plasma is very complex
because of the invo... | http://arxiv.org/abs/2305.16898v1 |
We discuss various differences in the instanton-based calculations of the
$\beta$ functions in theories such as Yang-Mills and $\mathbb{CP}(N\!-\!1)$ on
one hand, and $\lambda\phi^4$ theory with Symanzik's sign-reversed prescription
for the coupling constant $\lambda$ on the other hand. Although the
aforementioned theo... | http://arxiv.org/abs/2307.09119v1 |
Artificial intelligence (AI) is everywhere, with many children having
increased exposure to AI technologies in daily life. We aimed to understand
middle school girls' (a group often excluded group in tech) perceptions and
knowledge gaps about AI. We created and explored the feasibility of a
lightweight (less than 3 hou... | http://arxiv.org/abs/2302.13947v1 |
We report foam coarsening studies which were performed in the International
Space Station (ISS) to suppress drainage due to gravity. Foams and bubbly
liquids with controlled liquid fractions $\phi$ between 15 and 50\% were
investigated to study the transition between bubble growth laws previously
reported near the dry ... | http://arxiv.org/abs/2304.11206v2 |
Large Language Models (LLMs), such as ChatGPT, demonstrate a strong
understanding of human natural language and have been explored and applied in
various fields, including reasoning, creative writing, code generation,
translation, and information retrieval. By adopting LLM as the reasoning core,
we introduce Autonomous... | http://arxiv.org/abs/2305.06453v4 |
In this paper we study the global existence and completeness of classical
solutions of gravity coupled a scalar field system called Einstein-Klein-Gordon
system in higher dimensions. We introduce a new ansatz function to reduce the
problem into a single first-order integro-differential equation. Then, we
employ the con... | http://arxiv.org/abs/2304.09449v2 |
We introduce Cosmos, a framework for object-centric world modeling that is
designed for compositional generalization (CompGen), i.e., high performance on
unseen input scenes obtained through the composition of known visual "atoms."
The central insight behind Cosmos is the use of a novel form of neurosymbolic
grounding.... | http://arxiv.org/abs/2310.12690v2 |
Machine learning models often learn to make predictions that rely on
sensitive social attributes like gender and race, which poses significant
fairness risks, especially in societal applications, such as hiring, banking,
and criminal justice. Existing work tackles this issue by minimizing the
employed information about... | http://arxiv.org/abs/2308.08482v1 |
In this work, we present a theoretical research on the lattice relaxations,
phonon properties, and relaxed electronic structures in magic-angle twisted
bilayer graphene (TBG). We construct a continuum elastic model in order to
study the lattice dynamics of magic-angle TBG, where both in-plane and
out-of-plane lattice d... | http://arxiv.org/abs/2305.16640v1 |
Mobile ground robots require perceiving and understanding their surrounding
support surface to move around autonomously and safely. The support surface is
commonly estimated based on exteroceptive depth measurements, e.g., from
LiDARs. However, the measured depth fails to align with the true support
surface in the pres... | http://arxiv.org/abs/2305.07995v1 |
Large Language Models (LLMs) have shown great potential in Natural Language
Processing (NLP) tasks. However, recent literature reveals that LLMs generate
nonfactual responses intermittently, which impedes the LLMs' reliability for
further utilization. In this paper, we propose a novel self-detection method to
detect wh... | http://arxiv.org/abs/2310.17918v2 |
We prove the existence and uniqueness of global, probabilistically strong,
analytically strong solutions of the 2D Stochastic Navier-Stokes Equation under
Navier boundary conditions. The choice of noise includes a large class of
additive, multiplicative and transport models. We emphasise that with a
transport type nois... | http://arxiv.org/abs/2308.04290v2 |
We study a rescaling of the zero-range process with homogenous jump rates
$g(k)=k^\alpha$ with arbitrary $\alpha\ge 1$. With a simultaneous rescaling of
space, time and particle size, the rescaled empirical density is shown to
converge to the porous medium equation with homogeneity $\alpha$. We further
identify the dyn... | http://arxiv.org/abs/2303.11289v1 |
In this paper we express the difference of two complementary Beatty
sequences, as the sum of two Beatty sequences closely related to them. In the
process we introduce a new Algorithm that generalizes the well known Minimum
Excluded algorithm and provides a method to generate combinatorially any pair
of complementary Be... | http://arxiv.org/abs/2305.15361v1 |
Trust is an important aspect of human life. It provides instrumental value in
allowing us to collaborate on and defer actions to others, and intrinsic value
in our intimate relationships with romantic partners, family, and friends. In
this paper I examine the nature of trust from a philosophical perspective.
Specifical... | http://arxiv.org/abs/2303.08900v1 |
The work of Kalman and Bucy has established a duality between filtering and
optimal estimation in the context of time-continuous linear systems. This
duality has recently been extended to time-continuous nonlinear systems in
terms of an optimization problem constrained by a backward stochastic partial
differential equa... | http://arxiv.org/abs/2304.12727v3 |
Dynamic sparsity, where the sparsity patterns are unknown until runtime,
poses a significant challenge to deep learning. The state-of-the-art
sparsity-aware deep learning solutions are restricted to pre-defined, static
sparsity patterns due to significant overheads associated with preprocessing.
Efficient execution of ... | http://arxiv.org/abs/2301.10936v2 |
For the general class of pseudo-Finsler spaces with $(\alpha,\beta)$-metrics,
we establish necessary and sufficient conditions such that these admit a
Finsler spacetime structure. This means that the fundamental tensor has
Lorentzian signature on a conic subbundle of the tangent bundle and thus the
existence of a cone ... | http://arxiv.org/abs/2302.09937v1 |
In response to newly found security vulnerabilities, or as part of a moving
target defense, a fast and safe control software update scheme for networked
control systems is highly desirable. We here develop such a scheme for
intelligent electronic devices (IEDs) in power distribution systems, which is a
solution to the ... | http://arxiv.org/abs/2307.12277v1 |
Monaural speech enhancement (SE) is an ill-posed problem due to the
irreversible degradation process. Recent methods to achieve SE tasks rely
solely on positive information, e.g., ground-truth speech and speech-relevant
features. Different from the above, we observe that the negative information,
such as original speec... | http://arxiv.org/abs/2304.13439v1 |
We present a new test-time optimization method for estimating dense and
long-range motion from a video sequence. Prior optical flow or particle video
tracking algorithms typically operate within limited temporal windows,
struggling to track through occlusions and maintain global consistency of
estimated motion trajecto... | http://arxiv.org/abs/2306.05422v2 |
We study the exotic muon decays with five charged tracks in the final state.
First, we investigate the Standard Model rate for $\mu^+ \to 3e^+\,2e^-\,2\nu$
($B = 4.0\times 10^{-10})$ and find that the Mu3e experiment should have tens
to hundreds of signal events per $10^{15}$ $\mu^+$ decays, depending on the
signal sel... | http://arxiv.org/abs/2306.15631v2 |
The spread of entanglement is a problem of great interest. It is particularly
relevant to quantum state synthesis, where an initial direct-product state is
sought to be converted into a highly entangled target state. In devices based
on pairwise exchange interactions, such a process can be carried out and
optimized in ... | http://arxiv.org/abs/2303.10197v2 |
We introduce new class of limitedly L-weakly compact operators from a Banach
space to a Banach lattice. This class is a proper subclass of the
Bourgain-Diestel operators and it contains properly the class of L-weakly
compact operators. We give its efficient characterization in term of sequences,
investigate the dominat... | http://arxiv.org/abs/2306.16338v1 |
The slow rotation of Kerr-NUT spacetime is explored by taking into account
the linear form of rotation and NUT parameters in the dynamical Chern-Simon
gravity theory, which can be formulated from a scalar field describing the
background. We show that in the absence of the potential scalar field, the
metric potential do... | http://arxiv.org/abs/2308.06487v3 |
This is a guide on how to create 3d printable models of tropical surfaces,
curves, and combinations thereof. It uses Polymake to construct bounded models
of the tropical objects, and OpenSCAD to thicken and export them to any common
3D printable file format. | http://arxiv.org/abs/2304.10130v1 |
We introduce a notion of formally \'etale $\mathbb{E}_{\infty}$-coalgebras
and show that they admit essentially unique, functorial lifts along square zero
extensions of $\mathbb{E}_{\infty}$-rings. Using this, we show that for a
perfect $\mathbb{F}_p$-algebra $k$, Weil restriction along the augmentation
$\mathbb{W}(k)\... | http://arxiv.org/abs/2303.12958v2 |
This paper addresses the problem of finite horizon constrained robust optimal
control for nonlinear systems subject to norm-bounded disturbances. To this
end, the underlying uncertain nonlinear system is decomposed based on a
first-order Taylor series expansion into a nominal system and an error
(deviation) described a... | http://arxiv.org/abs/2301.04943v2 |
YZ Ret is the first X-ray flash detected classical nova, and is also well
observed in optical, X-ray, and gamma-ray. We propose a comprehensive model
that explains the observational properties. The white dwarf mass is determined
to be $\sim 1.33 ~M_\odot$ that reproduces multiwavelength light curves of YZ
Ret, from opt... | http://arxiv.org/abs/2306.09218v1 |
We propose a generalization of the stochastic resetting mechanism for a
Brownian particle diffusing in a one-dimensional periodic potential: randomly
in time, the particle gets reset at the bottom of the potential well it was in.
Numerical simulations show that in mirror asymmetric potentials, stochastic
resetting rect... | http://arxiv.org/abs/2307.06202v1 |
Data science is not a science. It is a research paradigm with an unfathomed
scope, scale, complexity, and power for knowledge discovery that is not
otherwise possible and can be beyond human reasoning. It is changing our world
practically and profoundly already widely deployed in tens of thousands of
applications in ev... | http://arxiv.org/abs/2307.10460v2 |
We study GRB 221009A, the brightest gamma-ray burst in the history of
observations, using Fermi data. To calibrate them for large inclination angles,
we use the Vela X gamma-ray source. Light curves in different spectral ranges
demonstrate a 300 s overlap of afterglow and delayed episodes of soft prompt
emission. We de... | http://arxiv.org/abs/2303.03855v2 |
Perception-reaction delays have experimentally been found to cause a
spontaneous circling of microswimmers around a targeted center. Here we
investigate the many-body version of this experiment with Brownian-dynamics
simulations of active particles in a plane. For short delays, the soft
spherical discs form a hexagonal... | http://arxiv.org/abs/2303.12780v1 |
We introduce and investigate dichromatic singular links. We also construct
G-Family of singquandles and use them to define counting invariants for
unoriented dichromatic singular links. We provide some examples to show that
these invariants distinguish some dichromatic singular links. | http://arxiv.org/abs/2301.03792v1 |
An equivalent definition of hypermatrices is introduced. The matrix
expression of hypermatrices is proposed. Using permutation matrices, the
conversion of different matrix expressions is revealed. The various contracted
products of hypermatrices are realized by semi-tensor products (STP) of
matrices via matrix expressi... | http://arxiv.org/abs/2305.11661v1 |
Text-to-Image (T2I) generation is enabling new applications that support
creators, designers, and general end users of productivity software by
generating illustrative content with high photorealism starting from a given
descriptive text as a prompt. Such models are however trained on massive
amounts of web data, which... | http://arxiv.org/abs/2304.06034v1 |
In this work, we performed a dynamical analysis of a spacecraft around a
nearly equal-mass binary near-Earth asteroid with application to the asteroid
2017 YE5, which is also a possible dormant Jupiter-family comet. Thus, we
investigated the motion of a particle around this binary system using the
circular restricted t... | http://arxiv.org/abs/2307.09657v1 |
In 1993, Fishburn and Graham established the following qualitative extension
of the classical Erd\H{o}s-Szekeres theorem. If $N$ is sufficiently large with
respect to $n$, then any $N\times N$ real matrix contains an $n\times n$
submatrix in which every row and every column is monotone. We prove that the
smallest such ... | http://arxiv.org/abs/2305.07003v1 |
In a probabilistic latent variable model, factorized (or mean-field)
variational inference (F-VI) fits a separate parametric distribution for each
latent variable. Amortized variational inference (A-VI) instead learns a common
inference function, which maps each observation to its corresponding latent
variable's approx... | http://arxiv.org/abs/2307.11018v4 |
Prescriptive process monitoring methods seek to optimize the performance of
business processes by triggering interventions at runtime, thereby increasing
the probability of positive case outcomes. These interventions are triggered
according to an intervention policy. Reinforcement learning has been put
forward as an ap... | http://arxiv.org/abs/2307.06564v2 |
We obtain some rigidity results for metrics whose Schouten tensor is bounded
from below after conformal transformations. Liang Cheng recently proved that a
complete, nonflat, locally conformally flat manifold with Ricci pinching
condition ($Ric-\epsilon Rg\geq 0$) must be compact. This answers higher
dimensional Hamilt... | http://arxiv.org/abs/2308.00948v1 |
Hydrogen deficient stars include the cool R CrB variable (RCBs) and
hydrogen-deficient carbon (HdCs) giants through extreme helium stars (EHes) to
the very hot helium-rich subdwarfs (He-sdO and O(He) stars) and white dwarfs.
With surfaces rich in helium, nitrogen and carbon, their origins have been
identified with the ... | http://arxiv.org/abs/2310.15869v2 |
This paper presents a novel grid-based NeRF called F2-NeRF (Fast-Free-NeRF)
for novel view synthesis, which enables arbitrary input camera trajectories and
only costs a few minutes for training. Existing fast grid-based NeRF training
frameworks, like Instant-NGP, Plenoxels, DVGO, or TensoRF, are mainly designed
for bou... | http://arxiv.org/abs/2303.15951v1 |
We compare the lower and higher order non-classicality of a class of the
photon-added Bell-type entangled coherent states (PBECS) got from Bell-type
entangled coherent states using creation operators. We obtained lower and
higher order criteria namely Mandel's $Q_m^l$, antibunching $d_h^{l-1}$,
Subpoissioning photon st... | http://arxiv.org/abs/2305.18123v1 |
Real-world data streams naturally include the repetition of previous
concepts. From a Continual Learning (CL) perspective, repetition is a property
of the environment and, unlike replay, cannot be controlled by the agent.
Nowadays, the Class-Incremental (CI) scenario represents the leading test-bed
for assessing and co... | http://arxiv.org/abs/2301.11396v2 |
Tropical geometry has recently found several applications in the analysis of
neural networks with piecewise linear activation functions. This paper presents
a new look at the problem of tropical polynomial division and its application
to the simplification of neural networks. We analyze tropical polynomials with
real c... | http://arxiv.org/abs/2306.15157v1 |
Continuous phase transitions in equilibrium statistical mechanics were
successfully described 50 years ago with the development of the renormalization
group framework. This framework was initially developed in the context of phase
transitions whose universal properties are captured by the long wavelength (and
long time... | http://arxiv.org/abs/2306.12638v2 |
We measure host galaxy stellar masses for a sample of five luminous quasars
at $z\sim5-7$. Using JWST/NIRCam medium-band images of nearby PSF reference
stars, we carefully subtract the contribution from the quasar light to place
upper and lower limits on the flux of each host galaxy. We find that the
members of our sam... | http://arxiv.org/abs/2310.18395v3 |
An unpaired image-to-image (I2I) translation technique seeks to find a
mapping between two domains of data in a fully unsupervised manner. While
initial solutions to the I2I problem were provided by generative adversarial
neural networks (GANs), diffusion models (DMs) currently hold the
state-of-the-art status on the I... | http://arxiv.org/abs/2303.16280v3 |
In earlier work, we introduced three families of polynomials where the
generating function of each set includes one of the three Jackson $q$-analogs
of the Bessel function. This paper gives determinant representation for each
family, their large $n $ asymptotics, and two expansion theorems for specific
classes of entir... | http://arxiv.org/abs/2307.04373v1 |
We exploit the increased sensitivity of the recently installed AO SOUL at the
LBT to obtain new high-spatial-resolution NIR images of the massive young
stellar object IRAS20126+4104 and its outflow. We aim to derive the jet proper
motions and kinematics, as well as to study its photometric variability by
combining the ... | http://arxiv.org/abs/2301.06832v1 |
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