Top 10 Arxiv Papers Today
0.0 Mikeys
#1. Complex symplectic structures on Lie algebras
Giovanni Bazzoni, Marco Freibert, Adela Latorre, Benedict Meinke
We investigate Lie algebras endowed with a complex symplectic structure and
develop a method, called \emph{complex symplectic oxidation}, to construct
certain complex symplectic Lie algebras of dimension $4n+4$ from those of
dimension $4n$. We specialize this construction to the nilpotent case and apply
complex symplectic oxidation to classify eight-dimensional nilpotent complex
symplectic Lie algebras.
more |
pdf
| html
Figures
None.
Tweets
MathPaper:
Complex symplectic structures on Lie algebras. https://t.co/DSGVvsn1Ow
Github
None.
Youtube
None.
Other stats
Sample Sizes : None.
Authors: 4
Total Words: 18676
Unqiue Words: 3007
0.0 Mikeys
#2. No-Frills Human-Object Interaction Detection: Factorization, Appearance and Layout Encodings, and Training Techniques
Tanmay Gupta, Alexander Schwing, Derek Hoiem
We show that with an appropriate factorization, and encodings of layout and
appearance constructed from outputs of pretrained object detectors, a
relatively simple model outperforms more sophisticated approaches on
human-object interaction detection. Our model includes factors for detection
scores, human and object appearance, and coarse (box-pair configuration) and
optionally fine-grained layout (human pose). We also develop training
techniques that improve learning efficiency by: (i) eliminating train-inference
mismatch; (ii) rejecting easy negatives during mini-batch training; and (iii)
using a ratio of negatives to positives that is two orders of magnitude larger
than existing approaches while constructing training mini-batches. We conduct a
thorough ablation study to understand the importance of different factors and
training techniques using the challenging HICO-Det dataset.
more |
pdf
| html
Figures
Tweets
BrundageBot:
No-Frills Human-Object Interaction Detection: Factorization, Appearance and Layout Encodings, and Training Techniques. Tanmay Gupta, Alexander Schwing, and Derek Hoiem https://t.co/aK3xsf12ru
arxivml:
"No-Frills Human-Object Interaction Detection: Factorization, Appearance and Layout Encodings, and Training Techniq…
https://t.co/JevFiSYqCJ
ComputerPapers:
No-Frills Human-Object Interaction Detection: Factorization, Appearance and Layout Encodings, and Training Techniques. https://t.co/CS5qFjvjPw
Github
None.
Youtube
None.
Other stats
Sample Sizes : None.
Authors: 3
Total Words: 7190
Unqiue Words: 2150
0.0 Mikeys
#3. Automatic Data Expansion for Customer-care Spoken Language Understanding
Shahab Jalalvand, Andrej Ljolje, Srinivas Bangalore
Spoken language understanding (SLU) systems are widely used in handling of
customer-care calls.A traditional SLU system consists of an acoustic model (AM)
and a language model (LM) that areused to decode the utterance and a natural
language understanding (NLU) model that predicts theintent. While AM can be
shared across different domains, LM and NLU models need to be
trainedspecifically for every new task. However, preparing enough data to train
these models is prohibitivelyexpensive. In this paper, we introduce an
efficient method to expand the limited in-domain data. Theprocess starts with
training a preliminary NLU model based on logistic regression on the
in-domaindata. Since the features are based onn= 1,2-grams, we can detect the
most informative n-gramsfor each intent class. Using these n-grams, we find the
samples in the out-of-domain corpus that1) contain the desired n-gram and/or 2)
have similar intent label. The ones which meet the firstconstraint are used to
train a new LM model and the ones that meet both constraints...
more |
pdf
| html
Figures
Tweets
arxivml:
"Automatic Data Expansion for Customer-care Spoken Language Understanding",
Shahab Jalalvand, Andrej Ljolje, Sriniv…
https://t.co/kFfJxza74V
arxiv_cscl:
Automatic Data Expansion for Customer-care Spoken Language Understanding https://t.co/bT15AgbXIW
arxiv_cscl:
Automatic Data Expansion for Customer-care Spoken Language Understanding https://t.co/bT15AgbXIW
arxiv_cscl:
Automatic Data Expansion for Customer-care Spoken Language Understanding https://t.co/bT15AgbXIW
ComputerPapers:
Automatic Data Expansion for Customer-care Spoken Language Understanding. https://t.co/FyHW6Ydb6y
Github
None.
Youtube
None.
Other stats
Sample Sizes : None.
Authors: 3
Total Words: 5197
Unqiue Words: 1634
0.0 Mikeys
#4. Piezospectroscopic measurement of high-frequency vibrations in a pulse-tube cryostat
Anne Louchet-Chauvet, Rose Ahlefeldt, Thierry Chanelière
Vibrations in cryocoolers are a recurrent concern to the end user. They
appear in different parts of the acoustic spectrum depending on the
refrigerator type, Gifford McMahon or pulse-tube, and with a variable coupling
strength to the physical system under interest. Here, we use the
piezospectroscopic effect in rare-earth crystals at low temperature as a high
resolution, contact-less probe for the vibrations. With this optical
spectroscopic technique, we obtain and analyze the vibration spectrum up to
700kHz of a 2kW pulse-tube cooler.
more |
pdf
| html
Figures
Tweets
PhysicsPaper:
Piezospectroscopic measurement of high-frequency vibrations in a pulse-tube cryostat. https://t.co/SZYiweiQ61
CondMatPhys:
Piezospectroscopic measurement of high-frequency vibrations in a pulse-tube cryostat https://t.co/jvI5YbC3Re
Github
None.
Youtube
None.
Other stats
Sample Sizes : None.
Authors: 3
Total Words: 7127
Unqiue Words: 2466
0.0 Mikeys
#5. On the robustness of the MnSi magnetic structure determined by muon spin rotation
P. Dalmas de Reotier, A. Yaouanc, A. Amato, A. Maisuradze, D. Andreica, B. Roessli, T. Goko, R. Scheuermann, G. Lapertot
Muon spin rotation (muSR) spectra recorded for manganese silicide MnSi and
interpreted in terms of a quantitative analysis constrained by symmetry
arguments were recently published. The magnetic structures of MnSi in
zero-field at low temperature and in the conical phase near the magnetic phase
transition were shown to substantially deviate from the expected helical and
conical structures. Here, we present material backing the previous results
obtained in zero-field. First, from simulations of the field distributions
experienced by the muons as a function of relevant parameters we confirm the
uniqueness of the initial interpretation and illustrate the remarkable
complementarity of neutron scattering and muSR for the MnSi magnetic structure
determination. Second we present the result of a muSR experiment performed on
MnSi crystallites grown in a Zn-flux and compare it with the previous data
recorded with a crystal obtained from Czochralski pulling. We find the magnetic
structure for the two types of crystals to be identical within...
more |
pdf
| html
Figures
Tweets
CondensedPapers:
On the robustness of the MnSi magnetic structure determined by muon spin rotation. https://t.co/LJqYgz9DRK
CondMatPhys:
On the robustness of the MnSi magnetic structure determined by muon spin rotation https://t.co/MIRvE9fnqT
Github
None.
Youtube
None.
Other stats
Sample Sizes : None.
Authors: 9
Total Words: 5193
Unqiue Words: 1854
0.0 Mikeys
#6. Stability and chaos in the classical three rotor problem
Govind S. Krishnaswami, Himalaya Senapati
We study the equal-mass classical three rotor problem, a variant of the three
body problem of celestial mechanics. The quantum N-rotor problem arises via a
partial continuum limit of the Wick rotated XY model. In units of the coupling,
the energy serves as a control parameter. We find periodic `pendulum' and
`breather' orbits at all energies and choreographies at relatively low
energies. They furnish analogs of the Euler-Lagrange and figure-8 solutions of
the planar three body problem. Integrability at very low energies gives way to
a rather marked transition to chaos at $E_c \approx 4$, followed by a gradual
return to regularity as $E \to \infty$. We find four signatures of this
transition: (a) the fraction of the area of Poincar\'e surfaces occupied by
chaotic sections rises sharply at $E_c$, (b) discrete symmetries are
spontaneously broken at $E_c$, (c) $E=4$ is an accumulation point of stable to
unstable transitions in pendulum solutions and (d) the Jacobi-Maupertuis
curvature goes from being positive to having both signs...
more |
pdf
| html
Figures
Tweets
MathPHYPapers:
Stability and chaos in the classical three rotor problem. https://t.co/YkhzqaDn8z
Github
None.
Youtube
None.
Other stats
Sample Sizes : None.
Authors: 2
Total Words: 3456
Unqiue Words: 1157
0.0 Mikeys
#7. An Entropy-Area Law for Neutron Stars Near the Black Hole Threshold
Stephon H. Alexander, Kent Yagi, Nicolas Yunes
Neutron stars exhibit a set of universal relations independent of their
equation of state that bears semblance to the black hole no hair relations.
Motivated by this, we analytically and numerically explore other relations that
connect neutron star and black hole universality. By analyzing two different
measures, we find that certain rescaled entropies possess a nearly universal
behavior. We also discover that when the compactness of neutron stars
approaches the black hole limit, the rescaled entropy approaches that of a
black hole, and the thermodynamic entropy scales with the stellar surface area
in an ever more universal way.
more |
pdf
| html
Figures
None.
Tweets
eXtremeGrav:
Lots of big news in #Physics yesterday, so you can be forgiven if you missed this: https://t.co/FZfZqvzbbs "An Entropy-Area Law for Neutron Stars Near the Black Hole Threshold" by Stephon Alexander (@stephstem), Kent Yagi, and Nico Yunes.
RelativityPaper:
An Entropy-Area Law for Neutron Stars Near the Black Hole Threshold. https://t.co/KRGcEH12ev
Github
None.
Youtube
None.
Other stats
Sample Sizes : None.
Authors: 3
Total Words: 8213
Unqiue Words: 2012
0.0 Mikeys
#8. The η'-carbon potential at low meson momenta
M. Nanova, S. Friedrich, V. Metag, E. Ya. Paryev, F. N. Afzal, D. Bayadilov, B. Bantes, R. Beck, M. Becker, S. Böse, K. -T. Brinkmann, V. Crede, P. Drexler, H. Eberhardt, D. Elsner, F. Frommberger, Ch. Funke, M. Gottschall, M. Grüner, E. Gutz, Ch. Hammann, J. Hannappel, J. Hartmann, W. Hillert, Ph. Hoffmeister, Ch. Honisch, T. Jude, D. Kaiser, F. Kalischewski, I. Keshelashvili, F. Klein, K. Koop, B. Krusche, M. Lang, K. Makonyi, F. Messi, J. Müller, J. Müllers, D. Piontek, T. Rostomyan, D. Schaab, Ch. Schmidt, H. Schmieden, R. Schmitz, T. Seifen, V. Sokhoyan, C. Sowa, K. Spieker, A. Thiel, U. Thoma, T. Triffterer, M. Urban, H. van Pee, D. Walther, Ch. Wendel, D. Werthmüller, U. Wiedner, A. Wilson, L. Witthauer, Y. Wunderlich, H. -G. Zaunick
The production of $\eta^\prime$ mesons in coincidence with forward-going
protons has been studied in photon-induced reactions on $^{12}$C and on a
liquid hydrogen (LH$_2$) target for incoming photon energies of 1.3-2.6 GeV at
the electron accelerator ELSA. The $\eta^\prime$ mesons have been identified
via the $\eta^\prime\rightarrow \pi^0 \pi^0\eta \rightarrow 6 \gamma$ decay
registered with the CBELSA/TAPS detector system. Coincident protons have been
identified in the MiniTAPS BaF$_2$ array at polar angles of $2^{\circ} \le
\theta _{p} \le 11^{\circ}$. Under these kinematic constraints the
$\eta^\prime$ mesons are produced with relatively low kinetic energy ($\approx$
150 MeV) since the coincident protons take over most of the momentum of the
incident-photon beam. For the C-target this allows the determination of the
real part of the $\eta^\prime$-carbon potential at low meson momenta by
comparing with collision model calculations of the $\eta^\prime$ kinetic energy
distribution and excitation function. Fitting the latter data...
more |
pdf
| html
Figures
None.
Tweets
NuclearPapers:
The {\eta}'-carbon potential at low meson momenta. https://t.co/Kp7czWD5bq
Github
None.
Youtube
None.
Other stats
Sample Sizes : None.
Authors: 61
Total Words: 6972
Unqiue Words: 1834
0.0 Mikeys
#9. Feshbach resonances in $^{23}\mathrm{Na}+$$^{39}\mathrm{K}$ mixtures and refined molecular potentials for the NaK molecule
Torsten Hartmann, Torben A. Schulze, Kai K. Voges, Philipp Gersema, Matthias W. Gempel, Eberhard Tiemann, Alessandro Zenesini, Silke Ospelkaus
We present a detailed study of interspecies Feshbach resonances of the
bosonic $^{23}\mathrm{Na}+$$^{39}\mathrm{K}$ mixture for magnetic fields up to
$750 \, \mathrm{G}$ in various collision channels. A total of fourteen Feshbach
resonances are reported, as well as four zero crossings of the scattering
length and three inelastic two-body loss features. We use the observed magnetic
field locations of the resonant features together with the known data on
$^{23}\mathrm{Na}+$$^{40}\mathrm{K}$ to refine the singlet and triplet ground
state potentials of NaK and achieve a consistent description of Feshbach
resonances for both, the Bose-Bose mixture of
$^{23}\mathrm{Na}+$$^{39}\mathrm{K}$ as well as the Bose-Fermi mixture of
$^{23}\mathrm{Na}+$$^{40}\mathrm{K}$.
more |
pdf
| html
Figures
None.
Tweets
PhysicsPaper:
Feshbach resonances in $^{23}\mathrm{Na}+$$^{39}\mathrm{K}$ mixtures and refined molecular potentials for the NaK molecule. https://t.co/Tc2yP5ZE3p
Github
None.
Youtube
None.
Other stats
Sample Sizes : None.
Authors: 8
Total Words: 4976
Unqiue Words: 1684
0.0 Mikeys
#10. A unified geometric framework for boundary charges and dressings: non-Abelian theory and matter
Henrique Gomes, Florian Hopfmüller, Aldo Riello
Boundaries in gauge theories are a delicate issue. We approach it through a
geometric formalism based on the space of field configurations (field-space).
Our main geometric tool is a connection 1-form on field-space, $\varpi$, which
we introduce and explore in detail. Using it, we upgrade the presymplectic
structure of Yang-Mills theory with boundaries to be invariant even under
field-dependent gauge transformations. The gauge charges always vanish, while
global charges still arise for configurations with global symmetries. The
formalism is powerful because it is relational: the field-content itself is
used as a reference frame to distinguish `gauge' and `physical'; no new degrees
of freedom (e.g. group-valued edge modes) are required. Different choices of
reference fields give different $\varpi$'s, which are related to gauge-fixings
such as Higgs unitary and Coulomb gauge. But the formalism extends well beyond
gauge-fixings, for instance by avoiding the Gribov problem. For one choice of
$\varpi$, Goldstone modes arising from the...
more |
pdf
| html
Figures
Tweets
arxiv_org:
A unified geometric framework for boundary charges and dressings: non-Abelian theory and... https://t.co/uul6BmhS5l https://t.co/Y10zJCyGim
Github
None.
Youtube
None.
Other stats
Sample Sizes : None.
Authors: 3
Total Words: 33362
Unqiue Words: 5959
About
Assert is a website where the best academic papers on arXiv (computer science, math, physics), bioRxiv (biology), BITSS (reproducibility), EarthArXiv (earth science), engrXiv (engineering), LawArXiv (law), PsyArXiv (psychology), SocArXiv (social science), and SportRxiv (sport research) bubble to the top each day.
Papers are scored (in real-time) based on how verifiable they are (as determined by their Github repos) and how interesting they are (based on Twitter).
To see top papers, follow us on twitter @assertpub_ (arXiv), @assert_pub (bioRxiv), and @assertpub_dev (everything else).
To see beautiful figures extracted from papers, follow us on Instagram.
Tracking 72,893 papers.
Search
Sort results based on if they are interesting or reproducible.
Interesting
Reproducible