text stringlengths 4 2.78M |
|---|
---
abstract: 'We predict the occurrence of a novel type of atomic-scale spin lattice in an Fe monolayer on the Ir(001) surface. Based on density functional theory calculations we parametrize a spin Hamiltonian and solve it numerically using Monte-Carlo simulations. We find the stabilization of a three-dimensional spin... |
---
abstract: |
The effects on Raychaudhuri’s equation of an intrinsically-discrete or particle nature of spacetime are investigated. This is done through the consideration of null congruences emerging from, or converging to, a generic point of spacetime, i.e. in geometric circumstances somehow prototypical of sing... |
---
abstract: 'We propose a novel technique that promises hope of being the first to directly detect a polarization in the quantum electrodynamic (QED) vacuum. The technique is based upon the use of ultra-short pulses of light circulating in low dispersion optical resonators. We show that the technique circumvents the ... |
---
abstract: |
In this paper, we address the problem of stabilization in continuous time linear dynamical systems using state feedback when compressive sampling techniques are used for state measurement and reconstruction. In [@bhatta], we had introduced the concept of using $l_{1}$ reconstruction technique, commo... |
---
author:
- |
Nate Phillips[^1]\
Mississippi State University
- |
Kristen Massey[^2]\
Mississippi State University
- |
Mohammed Safayet Arefin[^3]\
Mississippi State University
- |
J. Edward Swan II[^4]\
Mississippi State University
bibliography:
- 'references.bib'
title: 'Design, Asse... |
---
abstract: 'We study a multi-period demand response problem in the smart grid with multiple companies and their consumers. We model the interactions by a Stackelberg game, where companies are the leaders and consumers are the followers. It is shown that this game has a unique equilibrium at which the companies set p... |
=cmbx10 =cmr10 =cmti10 =cmbx10 scaled1 =cmr10 scaled1 =cmti10 scaled1 =cmbx9 =cmr9 =cmti9 =cmbx8 =cmr8 =cmti8 =cmr7 -15mm =18.4 cm =-1.2 cm =-0.5 cm
=.7cm
\#1[\#1$#1$]{} quarter ß 1[$SU(2) \ot U(1)$]{} 21[$SU(3) \ot SU(2) \ot U(1)$]{} Ø Ł c \#1[[eq. (\[\#1\])]{}]{} \#1[[Eq. (\[\#1\])]{}]{} \#1\#2[[Eqs. (\[\#1\]) and ... |
---
abstract: |
This paper presents a novel leaderless protocol (FPC-BI: Fast Probabilistic Consensus within Byzantine Infrastructures) with a low communicational complexity and which allows a set of nodes to come to a consensus on a value of a single bit. The paper makes the assumption that part of the nodes are *... |
---
abstract: 'The highly stable spin of neutron stars can be exploited for a variety of (astro-)physical investigations. In particular arrays of pulsars with rotational periods of the order of milliseconds can be used to detect correlated signals such as those caused by gravitational waves. Three such “Pulsar Timing A... |
---
abstract: 'It is pointed out that the cross section for the scattering of identical charged bosons is isotropic over a broad angular range around 90$^o$ when the Sommerfeld parameter has a critical value, which depends exclusively on the spin of the particle. A discussion of systems where this phenomenon can be obs... |
---
abstract: 'We study a generalized 1d periodic SPDE of Burgers type: $$\partial_t u =- A^\theta u + \partial_x u^2 + A^{\theta/2} \xi$$ where $\theta > 1/2$, $-A$ is the 1d Laplacian, $\xi$ is a space-time white noise and the initial condition $u_0$ is taken to be (space) white noise. We introduce a notion of weak... |
---
abstract: 'Approximations by Trefftz functions are rapidly gaining popularity in the numerical solution of boundary value problems of mathematical physics. By definition, these functions satisfy locally, in weak form, the underlying differential equations of the problem, which often results in high-order or even ex... |
---
abstract: 'The location of radio pulsars in the period-period derivative ($P-\dot{P}$) plane has been a key diagnostic tool since the early days of pulsar astronomy. Of particular importance is how pulsars evolve through the $P-\dot{P}$ diagram with time. Here we show that the decay of the inclination angle ($\dot{... |
---
abstract: 'To classify time series by nearest neighbors, we need to specify or learn one or several distances. We consider variations of the Mahalanobis distances which rely on the inverse covariance matrix of the data. Unfortunately – for time series data – the covariance matrix has often low rank. To alleviate th... |
[.]{}
Covariant and heavy quark symmetric quark models\
D. Tadi' c and S. Žganec\
Physics Department, University of Zagreb, Bijenička c. 32, Zagreb, Croatia
**Abstract**
There exist relativistic quark models (potential or MIT-bag) which satisfy the heavy quark symmetry (HQS) relations among meson decay constants an... |
---
abstract: 'The ZEPLIN–III experiment is operating in its second phase at the Boulby Underground Laboratory in search of dark matter WIMPs. The major upgrades to the instrument over its first science run include lower background photomultiplier tubes and installation of a plastic scintillator veto system. Performanc... |
---
address:
- |
Centro de Física das Interacções Fundamentais (CFIF), Departamento de Física,\
Instituto Superior Técnico, Av. Rovisco Pais, 1049-001 Lisboa, Portugal.\
E-mail:mgomez@cfif.ist.utl.pt
- |
Theoretical Physics Division, University of Ioannina,\
E-mail: vergados@cc.uoi.gr
author:
- 'M... |
---
abstract: 'The electronic properties of hybrid organic-inorganic semiconductor interfaces depend strongly on the alignment of the electronic carrier levels in the organic/inorganic components. In the present work, we address this energy level alignment from first principles theory for two paradigmatic organic-inorg... |
---
abstract: 'We report on new [*Rossi X-ray Timing Explorer*]{} (RXTE) X-ray spectral analysis of bursts from SGR1806-20, the most prolific SGR source known. Previous studies of bursts from this source noted the remarkable lack of spectral variability both in single bursts as well as from burst to burst. Although we ... |
---
abstract: 'We consider the 21cm absorption signal expected at high redshift in cosmologies with and without non-baryonic cold dark matter. The expansion of the early universe decelerates strongly with dark matter, but approximately coasts without it. This results in a different path length across the epochs when ab... |
---
abstract: 'Studies have shown that exposure to air pollution, even at low levels, significantly increases mortality. As regulatory actions are becoming prohibitively expensive, robust evidence to guide the development of targeted interventions to reduce air pollution exposure is needed. In this paper, we introduce ... |
---
abstract: 'Heavy-ion collision experiments at RHIC and the LHC have found a new emergent phase of QCD, a strongly coupled quark-gluon plasma (sQGP) that is distinctively different from either the low temperature hadron phase or the very high temperature weakly coupled plasma phase. Highly nontrivial emergent phenom... |
---
abstract: 'We present results from a test for the Gaussianity of the whole sky sub-degree scale CMB temperature anisotropy measured by the Wilkinson Microwave Anisotropy Probe (WMAP). We calculate the genus from the foreground-subtracted and Kp0-masked WMAP maps and measure the genus shift parameters defined at neg... |
---
address:
- |
Institute for Theoretical Physics, Univ. of Bern,\
CH-3012 Bern, Switzerland\
E-mail: mink@itp.unibe.ch
- |
Max-Planck-Institut für Physik (Werner Heisenberg-Institut)\
Föhringer Ring 6\
D-80805 München, Germany\
E-mail: wwo@mppmu.mpg.de
author:
- 'PETER MINKOWSKI[^1]'
- WOL... |
---
abstract: |
Models and observations suggest that ice-particle aggregation at and beyond the snowline dominates the earliest stages of planet-formation, which therefore is subject to many laboratory studies. However, the pressure-temperature gradients in proto-planetary disks mean that the ices are constantly pr... |
---
abstract: 'We analyze and realize the recovery, by means of spatial intensity correlations, of the image obtained by a seeded frequency downconversion process in which the seed field is chaotic and an intensity modulation is encoded on the pump field. Although the generated field is as chaotic as the seed field and... |
---
abstract: 'Standard optimality criteria (e.g. [*A*]{}-optimality, [*D*]{}-optimality criterion, etc.) have been commonly used for obtaining optimal designs. For a given statistical model, standard criteria assume the error variance is known at the design stage. However, in practice the error variance is estimated t... |
---
author:
- 'Javi Serra[^1]'
title: 'A higgs-like dilaton: viability and implications'
---
=1
Introduction {#intro}
============
The discovery of the long predicted higgs boson has brought unprecedented opportunities to unravel the nature of electroweak (EW) symmetry breaking. For the time being we rely on the mea... |
---
abstract: 'We demonstrate a silicon-based, single-layer anti-reflection coating that suppresses the reflectivity of metals at near-infrared frequencies, enabling optical probing of nano-scale structures embedded in highly reflective surroundings. Our design does not affect the interaction of terahertz radiation wit... |
---
abstract: 'We consider a chain of regularly-spaced spherical metallic nanoparticles, where each particle supports three degenerate localized surface plasmons. Due to the dipolar interaction between the nanoparticles, the localized plasmons couple to form extended collective modes. Using an open quantum system appro... |
---
abstract: 'This work introduces CHIRP - an algorithm for communication between ultra-portable heterogeneous IoT devices with a type of round-robin protection mechanism. This algorithm is presented both in its basic form as well as in a secured form in order to secure and maintain trust boundaries and communication ... |
---
author:
- Qingnan Fan
- Jiaolong Yang
- David Wipf
- Baoquan Chen
- Xin Tong
bibliography:
- 'template.bib'
title: Image Smoothing via Unsupervised Learning
---
------- ------- ----- ------ ------- ----------- ------------ --
Input $L_0$ SGF... |
---
abstract: '[**Abstract **]{} In this paper we prove injectivity of the EPRL map for $|\gamma|<1$, filling the gap of our previous paper.'
author:
- 'Wojciech Kamiński${}^1$, Marcin Kisielowski${}^2$, Jerzy Lewandowski${}^2$'
title: The kernel and the injectivity of the EPRL map
---
Introduction
============
The E... |
---
abstract: 'Let $(X,\omega)$ be a compact Kähler manifold of dimension $n$ and fix $1\leq m\leq n$. We prove that the total mass of the complex Hessian measure of $\omega$-$m$-subharmonic functions is non-decreasing with respect to the singularity type. We then solve complex Hessian equations with prescribed singula... |
---
author:
- Paul Lewis
title: Sums of Isometric Pairs of Lattices
---
Introduction
============
This paper is an investigation of a procedure for constructing lattices by means of taking the sum of a pair of isometric lattices, which may be defined as follows:
Let $L$ be a lattice, and let $h\in O(L)$ be an isomet... |
---
abstract: 'Coherent coupling between atoms and molecules in a Bose-Einstein condensate (BEC) has been observed. Oscillations between atomic and molecular states were excited by sudden changes in the magnetic field near a Feshbach resonance and persisted for many periods of the oscillation. The oscillation frequency... |
---
abstract: 'We observationally investigate star formation (SF) process occurring in AFGL 5157 (area $\sim$13.5 pc $\times$ 13.5 pc) using a multi-wavelength approach. Embedded filaments are seen in the [*Herschel*]{} column density map, and one of them is identified as an elongated filamentary feature (FF) (length $... |
---
abstract: 'Using a new implicit discretization scheme, we study in this paper the existence and uniqueness of strong solutions for a class of Lur’e dynamical systems where the set-valued feedback depends on both time and state. This work is a generalization of [@abc] where the time-dependent set-valued feedback is ... |
---
abstract: 'We present spectroscopic evidence for a low-luminosity, low excitation active galactic nucleus (AGN) in NGC 1042, powered by an intermediate-mass black hole. These findings are significant in that the AGN is coincident with a compact star cluster known to reside in the nucleus, thus providing an example ... |
---
address: 'Department of Physics and Astronomy, University of Rochester, Rochester NY 14627 USA'
author:
- |
Michael Begel\
for the DØ Collaboration
title: 'First DØ Jet Measurements at $\sqrt{s}=1.96$ TeV'
---
Measurements of jet production can be used to test QCD predictions for parton-parton scattering a... |
---
abstract: 'The tensor-entanglement renormalization group approach is applied to Hamiltonians that realize a class of topologically ordered states – string-net condensed states. We analyze phase transitions between phases with and without string-net condensation. These phase transitions change topological order with... |
---
abstract: 'To answer the challenges put out by the next generation of wireless networks (5G), important research efforts have been undertaken during the last few years to find new waveforms that are better spectrally localized and less sensitive to asynchronism effects than the widely deployed Cyclic Prefix Orthogo... |
---
abstract: 'We present a new method for Monte Carlo or Molecular Dynamics numerical simulations of three dimensional polar fluids. The simulation cell is defined to be the surface of the northern hemisphere of a four-dimensional (hyper)sphere. The point dipoles are constrained to remain tangent to the sphere and the... |
---
abstract: 'Motivated by applications of distributed storage systems to key-value stores, the multi-version coding problem was formulated to efficiently store frequently updated data in asynchronous decentralized storage systems. Inspired by consistency requirements in distributed systems, the main goal in the multi... |
---
abstract: 'In this work, we first show that on the widely used LibriSpeech benchmark, our transformer-based context-dependent connectionist temporal classification (CTC) system produces state-of-the-art results. We then show that using wordpieces as modeling units combined with CTC training, we can greatly simplify... |
---
abstract: 'We study the statistics of the recurrence times between earthquakes above a certain magnitude $M$ in California. We find that the distribution of the recurrence times strongly depends on the previous recurrence time $\tau_0$. As a consequence, the conditional mean recurrence time $\hat \tau(\tau_0)$ betw... |
---
abstract: 'We discuss a class of stochastic second-order PDEs in one space-dimension with an inner boundary moving according to a possibly non-linear, Stefan-type condition. We show that proper separation of phases is attained, i.e., the solution remains negative on one side and positive on the other side of the mo... |
---
abstract: |
We present a method to non-perturbatively determine the parameters of the on-shell, $O(a)$-improved relativistic heavy quark action. These three parameters, $m_0$, $\zeta$, and $c_B=c_E$ are obtained by matching finite-volume, heavy-heavy and heavy-light meson masses to the exact relativistic spectr... |
---
abstract: 'Out-of-equilibrium quasistationary states (QSSs) are one of the signatures of a broken ergodicity in long-range interacting systems. For the widely studied Hamiltonian Mean-Field model, the lifetime of some QSSs has been shown to diverge with the number $N$ of degrees of freedom with a puzzling $N^{1.7}$... |
---
abstract: 'The quantum spin Hall effect shares many similarities (and some important differences) with the quantum Hall effect for the electric charge. As with the quantum (electric charge) Hall effect, there exists a correspondence between bulk and boundary physics that allows to characterize the quantum spin Hall... |
---
abstract: |
It is discussed a practical possibility of a provable programming of mathematics basing on intuitionism and the dependent types feature of a programming language. The principles of constructive mathematics and provable programming are illustrated with examples taken from algebra. The discourse follo... |
---
abstract: 'We study theoretically light focusing at subwavelength scale inside a disordered strongly scattering open medium. We show that broadband time reversal at a single point antenna, in conjunction with near-field interactions and multiple scattering, produces spatial focusing with a quality comparable to tha... |
---
abstract: 'The evolution of protoplanetary disks is believed to be driven largely by angular momentum transport resulting from magnetized disk winds and turbulent viscosity. The ionization of the disk that is essential for these processes has been thought due to host star coronal X-rays but could also arise from en... |
---
abstract: 'The ALICE experiment measured the heavy-flavour production in the semi-muonic decay channel at forward rapidities ($2.5<y<4$) in pp and Pb–Pb collisions at $\sqrt{s_{{NN}}}~=~2.76$ TeV. We report on the first results on the [$p_{\rm t}$]{}-differential cross-sections in pp collisions as well as on the nu... |
---
abstract: 'In this article, we address the question of how non-knowledge about future events that influence economic agents’ decisions in choice settings has been formally represented in economic theory up to date. To position our discussion within the ongoing debate on uncertainty, we provide a brief review of his... |
---
abstract: 'We present an alternate proof of the Bismut-Zhang localization formula for $\eta$-invariants without using the analytic techniques developed by Bismut-Lebeau. A Riemann-Roch property for Chern-Simons currents, which is of independent interest, is established in due course.'
author:
- 'Huitao Feng[^1], ... |
---
abstract: 'We present a method for efficient estimation of the prevalence of infection in a population with high accuracy using only a small number of tests. The presented approach uses pool testing with a mix of pool sizes of various sizes. The test results are then combined to generate an accurate estimation over... |
---
abstract: 'We introduce a stable, well tested Python implementation of the affine- invariant ensemble sampler for Markov chain Monte Carlo (MCMC) proposed by Goodman & Weare (2010). The code is open source and has already been used in several published projects in the astrophysics literature. The algorithm behind ... |
---
abstract: 'We use the Padé–Z$_2$ stochastic estimator for calculating $\mbox{Tr}\log{\bf M}$ to compute quark loop corrections to quenched QCD. We examine the main source of error in this technique and look at a way of controlling it.'
address:
- ' School of Physics, University of Melbourne, Vic 3052, Australia '
-... |
---
abstract: 'The performance of policy gradient methods is sensitive to hyperparameter settings that must be tuned for any new application. Widely used grid search methods for tuning hyperparameters are sample inefficient and computationally expensive. More advanced methods like Population Based Training [@PBT] that ... |
---
abstract: 'In this study, we examine the mechanism of nanopore-based DNA sequencing using a voltage bias across a graphene nanoribbon. Using density function theory and a non-equilibrium Green’s function approach, we determine the transmission spectra and current profile for adenine, guanine, cytosine, thymine, and... |
---
abstract: 'We study the properties of a heterogeneous, chiral granular rotor that is capable of performing useful work when immersed in a bath of thermalized particles. The dynamics can be obtained in general from a numerical solution of the Boltzmann-Lorentz equation. We show that a mechanical approach gives the e... |
---
abstract: 'Some polars like BY Cam are characterized by unusual CNO line ratios compared to other polars and non-solar abundances have been suggested to explain this anomaly. We present here a first attempt to constrain the elemental abundances in these systems by applying a specific ionisation model combined with ... |
---
abstract: 'Floodlight quantum key distribution (FL-QKD) has realized a 1.3Gbit/s secret-key rate (SKR) over a 10-dB-loss channel against a frequency-domain collective attack \[Quantum Sci. Technol. [**3**]{}, 025007 (2018)\]. It achieved this remarkable SKR by means of binary phase-shift keying (BPSK) of multiple o... |
---
address: 'University of Naples Federico II, Complesso Universitario di Monte Sant’Angelo, Via Cinthia, I-80126, Naples, Italy'
author:
- |
Ilaria Formicola[^1], Andrea Longobardo[^2], Ciro Pinto[^3],\
Pierluigi Cerulo[^4]
title: 'Magnetic-Optical Filter'
---
Magnetic-Optical Filter (MOF) was developed in t... |
---
abstract: 'We give explicit formulæ for Noether invariants associated to Killing vector fields for the variational problem of minimal and constant mean curvature surfaces in $3$-manifolds. In the case of homogeneous spaces, such invariants are the flux (associated to translations) and the torque (associated to rota... |
---
abstract: |
In this work we investigate the chordality of squares and line graph squares of graphs. We prove a sufficient condition for the chordality of squares of graphs not containing induced cycles of length at least five. Moreover, we characterize the chordality of graph squares by forbidden subgraphs. Tra... |
---
abstract: 'We present an updated search for the Higgs boson produced in association with a vector boson in the final state with missing transverse energy and two jets. We use the full CDF data set corresponding to an integrated luminosity of 9.45 [fb$^{-1}$]{}at a proton-antiproton center-of-mass energy of $\sqrt{s... |
---
author:
- 'S. N. Atutov[^1]'
- 'R. Calabrese'
- 'A. Facchini'
- 'G. Stancari'
- 'L. Tomassetti'
bibliography:
- 'Atutov\_trap\_dyn.bib'
date: 'Received: date / Revised version: date'
title: 'Experimental study of vapor-cell magneto-optical traps for efficient trapping of radioactive atoms'
---
Introduction {#sec:i... |
---
abstract: |
In the theory of one-relator groups, Magnus subgroups, which are free subgroups obtained by omitting a generator that occurs in the given relator, play an essential structural role. In a previous article, the author proved that if two distinct Magnus subgroups $M$ and $N$ of a one-relator group, wit... |
---
author:
- 'J. Gorosabel'
- 'M.I. Andersen'
- 'J. Hjorth'
- 'H. Pedersen'
- 'B.L. Jensen'
- 'J.U. Fynbo'
- 'H.J. Lehto'
- 'S. Katajainen'
- 'K. Hurley'
- 'N. Lund'
date: 'Received / Accepted '
title: 'Constraints on the optical afterglow emission of the short/hard burst GRB 010119[^1]'
---
Introduction
============... |
**ACCURATE APPROXIMATIONS OF SOME EXPRESSIONS**
**INVOLVING TRIGONOMETRIC FUNCTIONS**
Marija Nenezi' c${}^{\,\mbox{\tiny 1)}}$, Branko Maleševi' c${}^{\mbox{\tiny 1)}}$, Cristinel Mortici${}^{\mbox{\tiny *},\mbox{\tiny 2)}}$
[*${}^{1)}$Faculty of Electrical Engineering, University of Belgrade,\
Bulevar kralja Aleksa... |
---
abstract: 'In this short review we present the history, an overview the analysis, and some personal comments on the anomalous like-sign dimuon charge asymmetry measurements by the DØ Collaboration.'
author:
- 'B. Hoeneisen'
title: 'Review of the measurements of the anomalous like-sign dimuon charge asymmetry in $p ... |
---
abstract: 'In this paper, we aim to solve Bayesian Risk Optimization (BRO), which is a recently proposed framework that formulates simulation optimization under input uncertainty. In order to efficiently solve the BRO problem, we derive nested stochastic gradient estimators and propose corresponding stochastic appr... |
---
abstract: 'We show that the r-mode instability can generate strong toroidal fields in the core of accreting millisecond quark stars by inducing differential rotation. We follow the spin frequency evolution on a long time scale taking into account the magnetic damping rate in the evolution equations of r-modes. The ... |
---
abstract: 'In this talk, some important QCD effects in Higgs physics, supersymmetry and top physics, as well as the factorization and resummation techniques in QCD are reviewed.'
address: 'Department of Physics, Peking University, Beijing 100871, China'
author:
- 'Chong Sheng Li and Shou-hua Zhu'
title: QCD Effects... |
---
abstract: 'We consider algebras $e_i \Pi^\lambda(Q) e_i$ obtained from deformed preprojective algebra of affine type $\Pi^\lambda(Q)$ and an idempotent $e_i$ for certain concrete value of the vector $\lambda$ which corresponds to the traces of $-1\in SU(2, {\mathbb C})$ in irreducible representations of finite subg... |
---
abstract: 'This article describes the various experimental bounds on the variation of the fundamental constants of nature. After a discussion on the role of fundamental constants, of their definition and link with metrology, the various constraints on the variation of the fine structure constant, the gravitational,... |
---
abstract: 'In this paper we study the homology and cohomology of configuration spaces $F(\Gamma, 2)$ of two distinct particles on a graph $\Gamma$. Our main tool is intersection theory for cycles in graphs. We obtain an explicit description of the cohomology algebra $H^\ast(F(\Gamma, 2))$ in the case of planar grap... |
---
abstract: 'Using the phenomenological quantum friction models introduced by Caldirola-Kanai, Kostin, and Albrecht, we study quantum tunneling of a one-dimensional potential in the presence of energy dissipation. To this end, we calculate the tunneling probability using a time-dependent wave packet method. The frict... |
---
abstract: 'In static analysis, approximation is typically encoded by abstract domains, providing systematic guidelines for specifying approximate semantic functions and precision assessments. However, it may happen that an abstract domain contains redundant information for the specific purpose of approximating a gi... |
---
abstract: 'We show that explicit pragmatic inference aids in correctly generating and following natural language instructions for complex, sequential tasks. Our pragmatics-enabled models reason about why speakers produce certain instructions, and about how listeners will react upon hearing them. Like previous pragm... |
---
abstract: 'We obtain general estimates for exponential integrals of the form $$E_f(y)=\int_{{\mathbb{Z}}_{p}^{n}}\psi(\sum_{j=1}^r y_j f_j(x))|dx|,$$ where the $f_j$ are restricted power series over ${\mathbb{Q}}_p$, $y_j\in{\mathbb{Q}}_p$, and $\psi$ a nontrivial additive character on ${\mathbb{Q}}_p$. We prove th... |
---
abstract: 'Some Besov-type spaces $B^{s,\tau}_{p,q}(\mathbb{R}^n)$ can be characterized in terms of the behavior of the Fourier–Haar coefficients. In this article, the authors discuss some necessary restrictions for the parameters $s$, $\tau$, $p$, $q$ and $n$ of this characterization. Therefore, the authors measur... |
---
abstract: 'In this paper, we present an effective and efficient face deblurring algorithm by exploiting semantic cues via deep convolutional neural networks (CNNs). As face images are highly structured and share several key semantic components (e.g., eyes and mouths), the semantic information of a face provides a s... |
---
abstract: |
We prove existence of solutions to problems whose model is $$\begin{cases}
\displaystyle -\Delta_p u + u^q = \frac{f}{u^\gamma} & \text{in}\ \Omega,
\\
u\ge0 &\text{in}\ \Omega,
\\
u=0 &\text{on}\ \partial\Omega,
\end{cases}$$ where $\Omega$ is an op... |
---
abstract: 'We consider the interaction of a small quantum system (a qubit) with a structured environment consisting on many levels. The qubit will experience a decoherence process, which implies that its initial information will be transferred to the environment. We investigate how this information is distributed o... |
---
abstract: 'This proceeding explores some of the questions that connect the LHC and neutrino experiments: What is the origin of mass? What is the meaning of flavor? Is there direct evidence of new forces or particles? The neutrino program investigating these questions is large and diverse. The strategy here, to narr... |
---
abstract: 'We study a generalization of the model of a dark market due to Duffie-Gârleanu-Pedersen [@Duffie2005]. Our market is segmented and involves multiple assets. We show that this market has a unique asymptotically stable equilibrium. In order to establish this result, we use a novel approach inspired by a th... |
---
abstract: |
The possibility of mass in the context of scale-invariant, generally covariant theories, is discussed. The realizations of scale invariance which are considered, are in the context of a gravitational theory where the action, in the first order formalism, is of the form $S =
\int L_{1} \Phi d^4x$... |
---
abstract: 'We prove optimal convergence estimates for eigenvalues and eigenvectors of a class of singular/stiff perturbed problems. Our profs are constructive in nature and use (elementary) techniques which are of current interest in computational Linear Algebra to obtain estimates even for eigenvalues which are in... |
---
abstract: 'We consider Aubry-Mather theory for a subclass of class A spacetimes, i.e. compact vicious spacetimes with globally hyperbolic Abelian cover. In this subclass, called class A$_1$, we obtain improved results on timelike maximizers and Lipschitz continuity of the time separation of the Abelian cover on the... |
---
abstract: 'Results for the $\Lambda N$ and $\Sigma N$ interactions obtained at next-to-leading order in chiral effective field theory are reported. At the order considered there are contributions from one- and two-pseudoscalar-meson exchange diagrams and from four-baryon contact terms without and with two derivativ... |
---
abstract: 'We construct an unbounded representative for the shriek class associated to the embeddings of spheres into Euclidean space. We equip this unbounded Kasparov cycle with a connection and compute the unbounded Kasparov product with the Dirac operator on ${{\mathbb{R}}}^{n+1}$. We find that the resulting spe... |
---
abstract: 'The goal of this overview article is to give a tangible presentation of the breakthrough works in discrepancy theory [@not1; @not3] by M. B. Levin. These works provide proofs for the exact lower discrepancy bounds of Halton’s sequence and a certain class of $(t,s)$-sequences. Our survey aims at highlight... |
---
abstract: 'Przytycki has shown that the size $\mathcal{N}_{k}(S)$ of a maximal collection of simple closed curves that pairwise intersect at most $k$ times on a topological surface $S$ grows at most as a polynomial in $|\chi(S)|$ of degree $k^{2}+k+1$. In this paper, we narrow Przytycki’s bounds by showing that $$\... |
---
abstract: 'We provide a necessary and sufficient condition that $L^p$-norms, $2<p<6$, of eigenfunctions of the square root of minus the Laplacian on two-dimensional compact boundaryless Riemannian manifolds $M$ are small compared to a natural power of the eigenvalue $\lambda$. The condition that ensures this is tha... |
---
author:
- 'S. Hubrig, C.R. Cowley, F. González, F. Castelli'
title: 'High resolution spectroscopy of HgMn stars: a time of surprises'
---
The origin of the abundance anomalies observed in late B-type stars with HgMn peculiarity is still poorly understood. Observationally, these stars are characterized by low rotat... |
---
abstract: 'In a recent work we showed that for a Hamiltonian system with constraints, the set of constraints can be investigated in first and second class constraint chains. We show here that using this “chain by chain” method for an arbitrary system one can fix the gauges in the most economical and consistent way.... |
---
abstract: 'We analyze enhancements in the magnitude of the self-energy for electrons far away from the Fermi surface in doped Mott insulators using the dynamical cluster approximation to the Hubbard model. For large onsite repulsion, $U$, and hole doping, the magnitude of the self-energy for imaginary frequencies a... |
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