text stringlengths 4 2.78M |
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---
abstract: 'The class of threshold functions is known to be characterizable by functional equations or, equivalently, by pairs of relations, which are called relational constraints. It was shown by Hellerstein that this class cannot be characterized by a finite number of such objects. In this paper, we investigate c... |
---
abstract: 'Latent block models are used for probabilistic biclustering, which is shown to be an effective method for analyzing various relational data sets. However, there has been no statistical test method for determining the row and column cluster numbers of latent block models. Recent studies have constructed s... |
---
abstract: 'We present measurements of the X-ray observables of the intra-cluster medium (ICM), including luminosity $L_X$, ICM mass $M_{ICM}$, emission-weighted mean temperature $T_X$, and integrated pressure $Y_X$, that are derived from XMM-Newton X-ray observations of a Sunyaev-Zel’dovich Effect (SZE) selected sa... |
---
address: |
Department of Physics, Syracuse University, Syracuse, NY 13244\
E-mail: sblusk@phy.syr.edu
author:
- 'Steven R. Blusk'
title: 'Cabibbo-Allowed and Doubly Cabibbo Suppressed $D\to K\pi$ Decays'
---
Introduction
============
For over two decades, the $D^0\to K^-\pi^+$ has served as a workhorse in... |
---
abstract: 'Bayesian On-line Changepoint Detection is extended to on-line model selection and non-stationary spatio-temporal processes. We propose spatially structured Vector Autoregressions ([[[<span style="font-variant:small-caps;">VARs</span>]{}]{}]{}) for modelling the process between changepoints ([[[<span styl... |
---
abstract: |
In this paper we relate the deformation theory of Ginzburg Calabi-Yau algebras to negative cyclic homology. We do this by exhibiting a DG-Lie algebra that controls this deformation theory and whose homology is negative cyclic homology. We show that the bracket induced on negative cyclic homology coi... |
---
abstract: 'Directed sandpile models with different toppling rules are studied by means of numerical simulations in two dimensions, with the purpose of determining the different universality classes. It is concluded that the random-threshold directed model is in the same universality of the Manna directed model wher... |
---
abstract: 'State-of-the-art simulation tools for non-equilibrium quantum transport systems typically take the current-carrier occupations to be described in terms of equilibrium distribution functions characterised by two different electro-chemical potentials, while for the description of electronic exchange and co... |
---
abstract: 'We study the online saddle point problem, an online learning problem where at each iteration a pair of actions need to be chosen without knowledge of the current and future (convex-concave) payoff functions. The objective is to minimize the gap between the cumulative payoffs and the saddle point value of... |
---
abstract: 'Magneto-transport and drag measurements on a quasi-Corbino 2D electron bilayer at the systems total filling factor 1 ($\nu_T$=1) reveal a drag voltage that is equal in magnitude to the drive voltage as soon as the two layers begin to form the expected $\nu_T$=1 exciton condensate. The identity of both vo... |
---
abstract: 'We present a calculation for the diffractive structure functions $x_{\rm p} F_{\rm T}^{D(3)}$ and $x_{\rm p} F_{\rm L}^{D(3)}$ at low values of $Q^2$ using an eikonal approximation. The non-perturbative model of the stochastic QCD vacuum is used to evaluate the interactions between the quarks (antiquarks... |
---
abstract: |
Recent massive sky surveys in different bandwidths are providing new opportunities to modern astronomy. The Virtual Observatory (VO) represents the adequate framework to handle the huge amount of information available and filter out data according to specific requirements.
In this work, we appl... |
---
author:
- 'Albert Ossó$^1$, Álvaro Corral$^{2}$ & Josep Enric Llebot$^1$'
title: ' Scaling of Tropical-Cyclone Dissipation\'
---
[ **The influence of climate variability and global warming on the occurrence of tropical cyclones (TC) is a controversial issue [@Goldenberg_Science; @Trenberth; @Emanuel_nature05; @Lan... |
---
abstract: |
Building on the rare pion and muon decay results of the PIBETA experiment, the PEN collaboration has undertaken a precise measurement of $B_{\pi\text{e}2}\equiv R^\pi_{\text{e}/\mu}$, the $\pi^+ \to
\text{e}^+\nu(\gamma)$ decay branching ratio, at the Paul Scherrer Institute, to reduce the prese... |
---
abstract: 'We study the nonparametric estimation of the jump density of a renewal reward process from one discretely observed sample path over $[0,T]$. We consider the regime when the sampling rate $\Delta=\Delta_T\rightarrow0$ as $T\rightarrow\infty$. The main difficulty is that a renewal reward process is not a L... |
---
abstract: 'Let $n$ be a positive integer. We show that a unit rational space vector whose multiple by $n$ is an integer vector can be extended to a rational orthonormal basis whose all members have the same property.'
author:
- 'Masanori Kobayashi, Chikara Nakayama'
title: On rational points of orthogonal group
---... |
---
abstract: 'We discuss phase coexistence of polydisperse colloidal suspensions in the presence of adhesion forces. The combined effect of polydispersity and Baxter’s sticky-hard-sphere (SHS) potential, describing hard spheres interacting via strong and very short-ranged attractive forces, give rise, within the Percu... |
---
abstract: |
Let $S$ be a minimal complex surface of general type with $q(S)=0$. We prove the following statements concerning the algebraic fundamental group ${\pi_1^{\mathrm{alg}}}(S)$:
- Assume that $K^2_S\le3\chi(S)$. Then $S$ has an irregular étale cover if and only if $S$ has a free pencil of hyperel... |
---
abstract: 'In this paper, the structural controllability of switched linear systems is investigated. In particular, switched linear systems with independent subsystem models are studied. The structural controllability is a generalization of the traditional controllability concept for dynamical systems, and purely b... |
---
abstract: 'Passive spiral galaxies, despite their spiral morphological appearance, do not have any emission lines indicative of ongoing star formation in their optical spectra. Previous studies have suggested that passive spiral galaxies preferentially exist in infall regions of galaxy clusters, suggesting that the... |
---
author:
- 'Lingyao Kong, Daniele Malafarina and Cosimo Bambi$^1$'
title: 'Can we observationally test the weak cosmic censorship conjecture?'
---
Introduction
============
One of the most important open problems in gravitational physics is that of the final fate of a heavy star after exhausting its nuclear fuel. ... |
---
abstract: 'We consider constraints on gauge mediated supersymmetry breaking models imposed by the requirement of grand unification. In particular, we demonstrate several ways to reduce the number of parameters coming from the dynamical supersymmetry breaking sector. One of approaches exploits nonperturbative unific... |
---
abstract: |
This article uses relative symplectic cohomology, recently studied by the second author, to understand rigidity phenomena for compact subsets of symplectic manifolds. As an application, we consider a symplectic crossings divisor in a Calabi-Yau symplectic manifold $M$ whose complement is a Liouville... |
---
abstract: 'While the number of asteroids with known shapes has drastically increased over the past few years, little is known on the the time-evolution of shapes and the underlying physical processes. Here we propose an averaged abrasion model based on micro-collisons, accounting for asteroids not necessarily evolv... |
---
abstract: 'In the last years it has been shown that some properties of strongly coupled superconductors can be potentially described by classical general relativity living in one higher dimension, which is known as holographic superconductors. This paper gives a quick and introductory overview of some holographic s... |
---
abstract: 'Initial data for the spherically symmetric Einstein-Vlasov system is constructed whose past evolution is regular and whose future evolution contains a black hole. This is the first example of initial data with these properties for the Einstein-matter system with a “realistic” matter model. One consequenc... |
---
abstract: 'Open source software projects evolve thanks to a group of volunteers that help in their development. Thus, the success of these projects depends on their ability to attract (and keep) developers. We believe the openness of a project, i.e., how easy is for a new user to actively contribute to it, can help... |
---
abstract: 'Systems containing few Fermions (e.g., electrons) are of great current interest. Fluorescence occurs when electrons drop from one level to another without changing spin. Only electron gases in a state of equilibrium are considered. When the system may exchange electrons with a large reservoir, the electr... |
---
abstract: 'In a covariant gauge we implicitly assume that the Green’s function propagates information from one point of the space-time to another, so that the Green’s function is responsible for the dynamics of the relativistic particle. In the light front form, which in principle is a change of coordinates, one wo... |
---
abstract: 'While stochastic gradient descent (SGD) is a workhorse in machine learning, the learning properties of many practically used variants are hardly known. In this paper, we consider least squares learning and contribute filling this gap focusing on the effect and interplay of multiple passes, mini-batching ... |
---
abstract: 'We provide the gauge-invariant expression for large-scale cosmic microwave background temperature fluctuations at second-order in perturbation theory. It enables to unambiguously define the nonlinearity parameter $f_{\rm NL}$ which is used by experimental collaborations to pin down the level of Non-Gauss... |
---
abstract: 'We introduce a hybrid stochastic estimator to design stochastic gradient algorithms for solving stochastic optimization problems. Such a hybrid estimator is a convex combination of two existing biased and unbiased estimators and leads to some useful property on its variance. We limit our consideration to... |
---
abstract: 'The property of desynchronization in an all-to-all network of homogeneous impulse-coupled oscillators is studied. Each impulse-coupled oscillator is modeled as a hybrid system with a single timer state that self-resets to zero when it reaches a threshold, at which event all other impulse-coupled oscillat... |
---
abstract: |
We present [[WHFast]{}]{}, a fast and accurate implementation of a Wisdom-Holman symplectic integrator for long-term orbit integrations of planetary systems. [[WHFast]{}]{}is significantly faster and conserves energy better than all other Wisdom-Holman integrators tested.
We achieve this by sig... |
---
abstract: |
We study the problem of testing if a function depends on a small number of linear directions of its input data. We call a function $f$ a *linear $k$-junta* if it is completely determined by some $k$-dimensional subspace of the input space. In this paper, we study the problem of testing whether a giv... |
---
abstract: 'The global pandemic of COVID-19 has infected millions of people since its first outbreak in last December, and the daily new cases are still climbing by hundreds of thousands as of May 2020. A key challenge for preventing and controlling COVID-19 is how to quickly, widely, and effectively implement the t... |
---
abstract: 'In this paper we propose a generalization of deep neural networks called deep function machines (DFMs). DFMs act on vector spaces of arbitrary (possibly infinite) dimension and we show that a family of DFMs are invariant to the dimension of input data; that is, the parameterization of the model does not ... |
---
abstract: 'We continue our study of the knot Floer homology invariants of cable knots. For large $|n|$, we prove that many of the filtered subcomplexes in the knot Floer homology filtration associated to the $(p,pn+1)$ cable of a knot, $K$, are isomorphic to those of $K$. This result allows us to obtain information... |
---
abstract: 'We consider stochastic resonance for a diffusion with drift given by a potential, which has two metastable states and two pathways between them. Depending on the direction of the forcing, the height of the two barriers, one for each path, will either oscillate alternating or in synchronisation. We consid... |
---
abstract: |
The Duru-Kleinert (DK) method of solving unknown path integrals of quantum mechanical systems by relating them to known ones does not apply to Markov processes since the DK-transform of a Fokker-Planck equation is in general not a Fokker-Planck equation. In this note, we present a significant modifi... |
---
abstract: 'We present a sequence of high resolution (R$\sim$20,000 or 15 km s$^{-1}$) infrared spectra of stars and brown dwarfs spanning spectral types M2.5 to T6. Observations of 16 objects were obtained using eight echelle orders to cover part of the $J$-band from 1.165-1.323 $\mu$m with NIRSPEC on the Keck II t... |
---
abstract: 'New generalized equations of motion for the Weber-Clebsch potentials that describe both the Navier-Stokes and MHD dynamics are derived. These depend on a new parameter, which has dimensions of time for Navier-Stokes and inverse velocity for MHD. Direct numerical simulations (DNS) are performed. For Navie... |
---
abstract: 'In this paper we develop an adaptive procedure for the numerical solution of semilinear parabolic problems, with possible singular perturbations. Our approach combines a linearization technique using Newton’s method with an adaptive discretization—which is based on a spatial finite element method and the... |
---
abstract: 'Both complete protocol and optical setup for experimental realization of quantum teleportation of unknown single-photon wave packet are proposed.'
---
17.0cm 25.cm -3.5cm -2.0cm
**Experimental scheme for quantum teleportation of a single-photon packet**
S.N.Molotkov
*Institute of Solid State Physics ... |
---
author:
- |
T. Boku$^{a}$, $^{b,c}$, Y. Kuramashi$^{a,c,f}$, K. Minami$^{c}$, Y. Nakamura$^{c}$, F. Shoji$^{c}$, D. Takahashi$^{a}$, M. Terai$^{c}$, A. Ukawa$^{a}$, T. Yoshié$^{a,f}$\
$^{a}$Center for Computational Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan\
$^{b}$Graduate School ... |
---
author:
- 'Emanuele Olivetti, Thien Bao Nguyen and Paolo Avesani'
date: March 2012
title: The Approximation of the Dissimilarity Projection
---
[10]{}
Maria-Florina Balcan, Avrim Blum, and Nathan Srebro. . , 72(1):89–112, August 2008.
P. J. Basser, J. Mattiello, and D. LeBihan. , 66(1):259–267, January 1994.
Yi... |
---
abstract: 'The correlation properties of the cold system consisting of the electron-hole plasma interacting with the exciton gas are analyzed. It is shown that the homogeneous state of the system is unstable and in the stationary state the densities of the electron-hole plasma and exciton gas are modulated.'
author... |
---
abstract: 'In this paper we present a geometric control law for position and line-of-sight stabilization of the nonholonomic spherical robot actuated by three independent actuators. A simple configuration error function with an appropriately defined transport map is proposed to extract feedforward and proportional-... |
---
author:
- 'J. Milli'
- 'P. Hibon'
- 'V. Christiaens'
- 'É. Choquet'
- 'M. Bonnefoy'
- 'G. M. Kennedy'
- 'M. C. Wyatt'
- 'O. Absil'
- 'C. A. Gómez González'
- 'C. del Burgo'
- 'L. Matrà'
- 'J.-C. Augereau'
- 'A. Boccaletti'
- 'C. Delacroix'
- 'S. Ertel'
- 'W. R. F. Dent'
- 'P. Forsberg'
- 'T. Fusco'
- 'J. H. Girard'... |
---
abstract: 'We explore the degeneracy between mass and spin in gravitational waveforms emitted by black-hole binary coalescences. We focus on spin-aligned waveforms and obtain our results using phenomenological models that were tuned to numerical-relativity simulations. A degeneracy is known for low-mass binaries (p... |
---
abstract: 'When neutrino masses arise from the exchange of neutral heavy leptons, as in most seesaw schemes, the effective lepton mixing matrix $N$ describing neutrino propagation is non-unitary, hence neutrinos are not exactly orthonormal. New CP violation phases appear in $N$ that could be confused with the stand... |
---
abstract: 'We prove the multiplicity formula for the automorphic discrete spectrum of the metaplectic group ${\mathrm{Mp}}_4$ of rank $2$.'
address:
- 'Department of Mathematics, National University of Singapore, 10 Lower Kent Ridge Road, Singapore 119076'
- 'Department of Mathematics, Kyoto University, Kitashiraka... |
---
abstract: 'Within the framework of ImQMD05, we study several isospin sensitive observables, such as DR(n/p) ratios, isospin transport ratio (isospin diffusion), yield ratios for LCPs between the projectile region and mid-rapidity region for the reaction systems Ni+Ni, Zn+Zn, Sn+Sn at low-intermediate energies. Our ... |
---
abstract: |
We model how the mid-infrared colors of Young Stellar Objects (YSOs) vary with stellar temperature. The spectral energy distribution (SED) of each object has contributions from thermal emission of circumstellar dust, from direct stellar photospheric emission, and from scattered stellar emission. We ... |
---
abstract: 'The goal of ranking and selection (R&S) procedures is to identify the best stochastic system from among a finite set of competing alternatives. Such procedures require constructing estimates of each system’s performance, which can be obtained simultaneously by running multiple independent replications on... |
0.0in 0.0in 6.5in 9.2in -3 cm .75in 1.2ex
0.7cm
[**Gluon Radiation Off Scalar Stop Particles**]{}\
W. Beenakker, R. Höpker and P. M. Zerwas\
Deutsches Elektronen-Synchrotron DESY, D-22603 Hamburg, FRG\
ABSTRACT\
We present the distributions for gluon radiation off stop-antistop particles produced in $e^+e^-$ annihi... |
---
abstract: 'We apply a test for low-dimensional, deterministic dynamics to the Niño 3 time series for the El Niño Southern Oscillation (ENSO). The test is negative, indicating that the dynamics is high-dimensional/stochastic. However, application of stochastic forcing to a time-delay equation for equatorial-wave dyn... |
---
abstract: |
In a recent paper, Mazucheli et al. (2019) introduced the unit-Gompertz (UG) distribution and studied some of its properties. It is a continuous distribution with bounded support, and hence may be useful for modelling life-time phenomena. We present counter-examples to point out some subtle errors i... |
---
abstract: |
We consider a pairwise interacting quantum 3-body system in 3-dimensional space with finite masses and the interaction term $V_{12} + \lambda(V_{13} + V_{23})$, where all pair potentials are assumed to be nonpositive. The pair interaction of the particles $\{1,2\}$ is tuned to make them have a zero ... |
---
abstract: 'We investigate the sine-square deformation (SSD) of free fermions in one-dimensional continuous space. On the basis of supersymmetric quantum mechanics, we prove the correspondence between the many-body ground state of the system with SSD and that of the uniform system with periodic boundary conditions. ... |
---
abstract: |
Let $P$ denote the class of languages accepted in polynomial time by Turing machine, let $NP$ denote the class of languages accepted in polynomial time by nondeterministic Turing machine, $coNP$ the class of complements of $NP$ languages, [*SAT*]{} the problem of Satisfiability, [*TAUT*]{} the probl... |
---
abstract: 'A space curve in a Euclidean 3-space $\mathbb E^3$ is called a rectifying curve if its position vector field always lies in its rectifying plane. This notion of rectifying curves was introduced by the author in [@c6]. In this present article, we introduce and study the notion of rectifying submanifolds i... |
---
abstract: 'In this paper, we study the selectivity of the potassium channel KcsA by a recently developed image-charge solvation method(ICSM) combined with molecular dynamics simulations. The hybrid solvation model in the ICSM is able to demonstrate atomistically the function of the selectivity filter of the KcsA ch... |
---
abstract: 'Composite fermion wavefuctions have been used to describe electrons in a strong magnetic field. We show that the polynomial part of these wavefunctions can be obtained by applying a normal ordered product of suitably defined annihilation and creation operators to an even power of the Vandermonde determin... |
---
abstract: |
[**See [*http://www.xassist.org/ixocat\_hri*]{} for figures and future updates of this catalog. NOTE – some IXO numbers have changed since the original astro-ph submission. This paper is now accepted into the ApJ Supplements, and Tables 1 and 2 comprise version 2.0 of our ROSAT HRI IXO catalog.**]{}... |
---
abstract: 'Signal recovery from nonlinear measurements involves solving an iterative optimization problem. In this paper, we present a framework to optimize the sensing parameters to improve the quality of the signal recovered by the given iterative method. In particular, we learn illumination patterns to recover s... |
---
abstract: 'The power spectrum of finite-temperature quantum electromagnetic fluctuations produced by elementary charge carriers under the influence of external electric field is investigated. It is found that under the combined action of the photon heat bath and the external field, the low-frequency asymptotic of t... |
---
abstract: 'We present a version of the stochastic maximum principle (SMP) for ergodic control problems. In particular we give necessary (and sufficient) conditions for optimality for controlled dissipative systems in finite dimensions. The strategy we employ is mainly built on duality techniques. We are able to con... |
---
abstract: 'We present population synthesis modeling of the X-ray background with genetic algorithm – based optimization method. In our models the best fit could be achieved for lower values of high-energy exponential cut-off ($\approx 170~keV$) and larger amount of the highly obscured ($\log N_{H}=25.5$) AGNs.'
add... |
---
bibliography:
- 'fft.bib'
---
[ **Circalunar variations of the night sky brightness – an FFT\
perspective on the impact of light pollution** ]{}
Johannes Puschnig,$^{1,*}$ Stefan Wallner,$^{2,3}$ Thomas Posch$^{2}$\
e-mail: johannes.puschnig@uni-bonn.de\
1 Universität Bonn, Argelander-Institut für Astronomie, Auf... |
---
abstract: 'We have performed the first measurement of the angular power spectrum in the large-scale diffuse emission at energies from 1-50 GeV. We compared results from data and a simulated model in order to identify significant differences in anisotropy properties. We found angular power above the photon noise l... |
---
abstract: 'Ge hut clusters, which appear during heteroepitaxy of Ge on Si(001), are prototypical examples of islands formed through strain. Experimentally, complete facets are observed to form rapidly, though the mechanism is unknown. We model the growth of new faces on Ge hut clusters, using linear scaling DFT. We... |
---
abstract: |
In this paper we discuss the evidence for a period-luminosity (PL) relation and period-luminosity-colour (PLC) at maximum light for Mira variables. We confirm the existence of such relations in the J, H and K bands, and also based on bolometric magnitudes, for oxygen-rich (O) and carbon-rich (C) Mir... |
---
author:
- |
Grégoire Misguich\
Institut de Physique Théorique\
CEA, IPhT, CNRS, URA 2306\
F-91191 Gif-sur-Yvette, France
title: 'Quantum spin liquids[^1]'
---
Introduction: band and Mott insulators
======================================
Depending on the context (experiments, theory, simulations,..... |
---
abstract: |
We study the effects of decoherence on the entanglement generated by Unruh effect in noninertial frames by using bit flip, phase damping and depolarizing channels. It is shown that decoherence strongly influences the initial state entanglement. The entanglement sudden death can happens irrespective ... |
---
abstract: 'We study randomly initialized residual networks using mean field theory and the theory of difference equations. Classical feedforward neural networks, such as those with tanh activations, exhibit exponential behavior on the average when propagating inputs forward or gradients backward. The exponential fo... |
---
abstract: 'A substantial population of high redshift early-type galaxies is detected in very deep UBVRIJHK images towards the HDF-South. Four elliptical profile galaxies are identified in the redshift range 1$<$z$<$2, with very red SEDs, implying ages of $\gtrsim\hspace{-.15cm}2$ Gyrs for standard passive evolution... |
---
abstract: 'A thermodynamic theory is developed to describe the behavior of the entanglement between the coin and position degrees of freedom of the quantum walk on the line. This theory shows that, in spite of the unitary evolution, a steady state is established after a Markovian transient stage. This study suggest... |
---
abstract: 'This paper investigates the design and application of write-once memory (WOM) codes for flash memory storage. Using ideas from Merkx [@m84], we present a construction of WOM codes based on finite Euclidean geometries over $\mathbb{F}_2$. This construction yields WOM codes with new parameters and provides... |
---
abstract: |
A simple two color selection based on $B$-, $z$-, and $K$- band photometry is proposed for culling galaxies at $1.4\simlt
z\simlt2.5$ in $K$-selected samples and classifying them as star-forming or passive systems. The method is calibrated on the highly complete spectroscopic redshift database o... |
---
abstract: 'In any communication network, the maximum number of link-disjoint paths between any pair of communicating nodes, S and T, is limited by the S-T minimum link-cut. Multipath routing protocols have been proposed in the literature to make use of these S-T paths in enhancing the survivability of the S-T infor... |
---
author:
- |
[ Yu Zeng-Hui $^{a,c}$ Herbert Pietschmann $^{a}$ Ma Wen-Gan $^{b,c}$ Han Liang $^{c}$ Jiang Yi $^{c}$ ]{}\
\
[$^{b}$CCAST (World Laboratory), P.O.Box 8730, Beijing 100080,P.R.China]{}\
[$^{c}$Department of Modern Physics, University of Science and Technology]{}\
[of China (USTC... |
---
abstract: 'This paper uses two new ingredients, namely stochastic differential equations satisfied by continuous-state branching processes (CSBPs), and a topology under which the Lamperti transformation is continuous, in order to provide self-contained proofs of Lamperti’s 1967 representation of CSBPs in terms of s... |
---
author:
- |
Jacob Abernethy\
University of Michigan\
`jabernet@umich.edu`\
Chansoo Lee\
University of Michigan\
`chansool@umich.edu`\
Ambuj Tewari\
University of Michigan\
`tewaria@umich.edu`\
bibliography:
- 'bandits\_hazard\_rate.bib'
title: Fighting Bandits with a New Kind of ... |
---
abstract: 'We present electro-photometric UBV and high-speed U-band flickering observations of the recurrent nova T CrB during a period when its U brightness varies by more than 2 mag. The V band is dominated by the ellipsoidal variability of the red giant, however, the variability of the hot component also causes ... |
---
abstract: 'We define persistent homology groups over any set of spaces which have inclusions defined so that the underlying graph between the spaces is directed and acyclic. This method simultaneously generalizes standard persistent homology, zigzag persistence and multidimensional persistence to arbitrary directed... |
---
author:
- Max Pettini
- 'Sara L. Ellison'
- Jacqueline Bergeron
- Patrick Petitjean
date: 'Received / Accepted'
title: |
The Abundances of Nitrogen and Oxygen in\
Damped [Lyman $\alpha$]{} Systems
---
Introduction
============
The nucleosynthetic origin of nitrogen continues to be a subject of considerabl... |
---
author:
- Davide Modolo and Vittorio Ferrari
bibliography:
- '../../bibtex/shortstrings.bib'
- '../../bibtex/vggroup.bib'
- '../../bibtex/calvin.bib'
title: |
Learning Semantic Part-Based Models\
from Google Images
---
-based models have gained significant attention in the last few years. The key advantage... |
---
abstract: 'Overestimation of the maximum action-value is a well-known problem that hinders Q-Learning performance, leading to suboptimal policies and unstable learning. Among several Q-Learning variants proposed to address this issue, Weighted Q-Learning (WQL) effectively reduces the bias and shows remarkable resul... |
---
abstract: 'With the development of range sensors such as LIDAR and time-of-flight cameras, 3D point cloud scans have become ubiquitous in computer vision applications, the most prominent ones being gesture recognition and autonomous driving. Parsimony-based algorithms have shown great success on images and videos w... |
---
abstract: 'An array is [*row-Latin*]{} if no symbol is repeated within any row. An array is [*Latin*]{} if it and its transpose are both row-Latin. A [*transversal*]{} in an $n\times n$ array is a selection of $n$ different symbols from different rows and different columns. We prove that every $n \times n$ Latin ar... |
---
abstract: 'We present a formula for the values of the sign representations of the complex reflection groups $G(r,p,n)$ in terms of its image under a generalized Robinson-Schensted algorithm.'
address:
- 'Department of Mathematics, Bowdoin College'
- 'Department of Mathematics, Bowdoin College'
- 'Department of Comp... |
---
abstract: 'A simplicial cell ball is a simplicial poset whose geometric realization is homeomorphic to a ball. Recently, Samuel Kolins gave a series of necessary conditions and sufficient conditions on $h$-vectors of simplicial cell balls, and characterized them up to dimension $6$. In this paper, we extend Kolins’... |
---
abstract: |
We report the results of optical spectroscopy of the candidate evolved massive star MN44 revealed via detection of a circular shell with the [*Spitzer Space Telescope*]{}. First spectra taken in 2009 May–June showed the Balmer lines in emission as well as numerous emission lines of iron, which is ty... |
---
author:
- |
Matthias R. Gaberdiel$^1$, Stefan Hohenegger$^2$ and Roberto Volpato$^1$\
\
${}^{1}$ Institut für Theoretische Physik\
ETH Zurich\
CH-8093 Zürich\
Switzerland\
\
${}^{2}$ Max-Planck-Institute for Physics\
Föhringer Ring 6\
D-80805 München\
Germany
title: |
... |
---
abstract: 'The AMS experiment onboard the International Space Station has recently provided cosmic ray electron and positron data with unprecedented precision in the range from 0.5 to 350GeV. The observed rise in the positron fraction at energies above 10GeV remains unexplained, with proposed solutions ranging from... |
---
abstract: 'Extensive Langevin dynamics simulations are used to characterize the adsorption transition of a flexible magnetic filament grafted onto an attractive planar surface. Our results identify different structural transitions at different ratios of the thermal energy to the surface attraction strength: filamen... |
---
abstract: 'We show that the concept of $H^2$-gradient flow for the Willmore energy and other functionals that depend at most quadratically on the second fundamental form is well-defined in the space of immersions of Sobolev class $W^{2,p}$ from a compact, $n$-dimensional manifold into Euclidean space, provided that... |
---
abstract: 'Understanding the hydrodynamical processes and conditions at the interface between the Magellanic Stream (MS) and the Galactic halo is critical to understanding the MS and by extension, gaseous tails in other interacting galaxies. These processes operate on relatively small scales and not only help shape... |
---
abstract: 'Classical [S]{}turm-[L]{}iouville problems of $q$-difference variables are extended for symmetric discrete functions such that the corresponding solutions preserve the orthogonality property. Some illustrative examples are given in this sense.'
address:
- 'Departamento de Matemática Aplicada II, E.E. de ... |
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