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Showing 2020Show all

896 papers · 1 filter

cs.CV2020★ 2 cited

3D Human motion anticipation and classification

Emad Barsoum, John Kender, Zicheng Liu

Human motion prediction and understanding is a challenging problem. Due to the complex dynamic of human motion and the non-deterministic aspect of future prediction. We propose a n…

stat.ME2020★ 10 cited

Kernel Partial Correlation Coefficient -- a Measure of Conditional Dependence

Zhen Huang, Nabarun Deb, Bodhisattva Sen

In this paper we propose and study a class of simple, nonparametric, yet interpretable measures of conditional dependence between two random variables and given a third var…

quant-ph2020★ 3 cited

Denoising quantum states with Quantum Autoencoders -- Theory and Applications

Tom Achache, Lior Horesh, John Smolin

We implement a Quantum Autoencoder (QAE) as a quantum circuit capable of correcting Greenberger-Horne-Zeilinger (GHZ) states subject to various noisy quantum channels : the bit-fli…

cond-mat.str-el2020★ 23 cited

Constrained-Path Auxiliary-Field Quantum Monte Carlo for Coupled Electrons and Phonons

Joonho Lee, Shiwei Zhang, David R. Reichman

We present an extension of constrained-path auxiliary-field quantum Monte Carlo (CP-AFQMC) for the treatment of correlated electronic systems coupled to phonons. The algorithm foll…

astro-ph.EP2020★ 8 cited

Phase Modeling of the TRAPPIST-1 Planetary Atmospheres

Stephen R. Kane, Tiffany Jansen, Thomas Fauchez +2

Transiting compact multi-planet systems provide many unique opportunities to characterize the planets, including studies of size distributions, mean densities, orbital dynamics, an…

astro-ph.HE2020★ 24 cited

A Deep Chandra X-ray Observatory Study of the Millisecond Pulsar Population in the Globular Cluster Terzan 5

Slavko Bogdanov, Arash Bahramian, Craig O. Heinke +1

We present an analysis of 745.6 ks of archival Chandra X-ray Observatory Advanced CCD Imaging Spectrometer data accumulated between 2000 and 2016 of the millisecond pulsar (MSP) po…

math.PR2020★ 18 cited

Fluctuations of the log-gamma polymer free energy with general parameters and slopes

Guillaume Barraquand, Ivan Corwin, Evgeni Dimitrov

We prove that the free energy of the log-gamma polymer between lattice points and converges to the GUE Tracy-Widom distribution in the scaling, provided t…

astro-ph.HE2020★ 142 cited

Mass-gap Mergers in Active Galactic Nuclei

Hiromichi Tagawa, Bence Kocsis, Zoltan Haiman +3

The recently discovered gravitational wave sources GW190521 and GW190814 have shown evidence of BH mergers with masses and spins that could be outside of the range expected from is…

stat.ME2020★ 1 cited

Context-dependent Ranking and Selection under a Bayesian Framework

Haidong Li, Henry Lam, Zhe Liang +1

We consider a context-dependent ranking and selection problem. The best design is not universal but depends on the contexts. Under a Bayesian framework, we develop a dynamic sampli…

q-bio.OT2020★ 1 cited

Neuromatch Academy: Teaching Computational Neuroscience with global accessibility

Tara van Viegen, Athena Akrami, Kate Bonnen +32

Neuromatch Academy designed and ran a fully online 3-week Computational Neuroscience summer school for 1757 students with 191 teaching assistants working in virtual inverted (or fl…

astro-ph.IM2020★ 33 cited

Detection of the Crab Nebula with the 9.7 m Prototype Schwarzschild-Couder Telescope

C. B. Adams, R. Alfaro, G. Ambrosi +105

The Schwarzschild-Couder Telescope (SCT) is a telescope concept proposed for the Cherenkov Telescope Array. It employs a dual-mirror optical design to remove comatic aberrations ov…

cond-mat.mtrl-sci2020★ 12 cited

Ab initio prediction of an order-disorder transition in MgGeO: implication for the nature of super-Earth's mantles

Koichiro Umemoto, Renata M. Wentzcovitch

Here we present an ab initio prediction of an order-disorder transition (ODT) from -type to a ThP-type phase in the cation sublattices of MgGeO, a post-…

cond-mat.dis-nn2020★ 14 cited

Relationship between two-level systems and quasi-localized normal modes in glasses

Dmytro Khomenko, David R. Reichman, Francesco Zamponi

Tunnelling Two-Level Systems (TLS) dominate the physics of glasses at low temperatures. Yet TLS are extremely rare and it is extremely difficult to directly observe them $\it{in \,…

astro-ph.EP2020★ 21 cited

Effects of Spin-Orbit Resonances and Tidal Heating on the Inner Edge of the Habitable Zone

Christopher M. Colose, Jacob Haqq-Misra, Eric T. Wolf +4

Much attention has been given to the climate dynamics and habitable boundaries of synchronously rotating planets around low mass stars. However, other rotational states are possibl…

stat.ME2020★ 27 cited

Efficient Learning for Clustering and Optimizing Context-Dependent Designs

Haidong Li, Henry Lam, Yijie Peng

We consider a simulation optimization problem for a context-dependent decision-making. A Gaussian mixture model is proposed to capture the performance clustering phenomena of conte…

cond-mat.mes-hall2020★ 99 cited

Crossover between Strongly-coupled and Weakly-coupled Exciton Superfluids

Xiaomeng Liu, J. I. A. Li, Kenji Watanabe +5

In fermionic systems, superconductivity and superfluidity are enabled through the condensation of fermion pairs. The nature of this condensate can be tuned by varying the pairing s…

nlin.SI2020★ 32 cited

Kadomtsev-Petviashvili turning points and CKP hierarchy

I. Krichever, A. Zabrodin

A characterization of the Kadomtsev-Petviashvili hierarchy of type C (CKP) in terms of the KP tau-function is given. Namely, we prove that the CKP hierarchy can be identified with…

physics.optics2020★ 103 cited

Exploiting Ultralow Loss Multimode Waveguides for Broadband Frequency Combs

Xingchen Ji, Jae K. Jang, Utsav D. Dave +4

Low propagation loss in high confinement waveguides is critical for chip-based nonlinear photonics applications. Sophisticated fabrication processes which yield sub-nm roughness ar…

astro-ph.CO2020★ 30 cited

Partially Constrained Internal Linear Combination: a method for low-noise CMB foreground mitigation

Y. Sultan Abylkairov, Omar Darwish, J. Colin Hill +1

Internal Linear Combination (ILC) methods are some of the most widely used multi-frequency cleaning techniques employed in CMB data analysis. These methods reduce foregrounds by mi…

cs.LG2020★ 2 cited

A Weighted Solution to SVM Actionability and Interpretability

Samuel Marc Denton, Ansaf Salleb-Aouissi

Research in machine learning has successfully developed algorithms to build accurate classification models. However, in many real-world applications, such as healthcare, customer s…

physics.plasm-ph2020★ 46 cited

Plasma Performance and Operational Space without ELMs in DIII-D

C. Paz-Soldan

A database of DIII-D plasmas without ELMs compares the operating space and plasma performance of stationary no-ELM regimes: RMP-ELM suppression, QH-mode, I-mode, EDA H-mode, L-mode…

eess.SP2020★ 5 cited

Magnetless Circulators Based on Synthetic Angular-Momentum Bias: Recent Advances and Applications

Ahmed Kord, Andrea Alu

In this paper, we discuss recent progress in magnet-free non-reciprocal structures based on a synthetic form of angular momentum bias imparted via spatiotemporal modulation. We dis…

econ.GN2020

The Managerial Effects of Algorithmic Fairness Activism

Bo Cowgill, Fabrizio Dell'Acqua, Sandra Matz

How do ethical arguments affect AI adoption in business? We randomly expose business decision-makers to arguments used in AI fairness activism. Arguments emphasizing the inescapabi…

astro-ph.HE2020★ 13 cited

A first-principle simulation of blast wave emergence at the photosphere of a neutron star merger

Christoffer Lundman, Andrei Beloborodov

We present the first ab initio simulation of a radiation-mediated shock emerging at the photosphere of a relativistic outflow. The simulation is performed using our code radshock t…