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Oct 26, 2017
Social and Information Networks
Optimization and Control

Computing the Line Index of Balance Using Integer Programming Optim…

An important measure of signed graphs is the line index of balance which has several applications in many fields. However, this graph-theoretic measu…
Dec 18, 2016
Group Theory

This research was supported by Marsden Grant UOA1021 and a postdoctoral fellowship at the National Center for Theoretical Sciences at the National Taiwan University. The author would like to thank Michel Brion, Brian Conrad, Philippe Gille, and Benj…

Complete reducibility of subgroups of reductive algebraic groups over…

Let $k$ be a nonperfect separably closed field. Let $G$ be a (possibly non-connected) reductive group defined over $k$. We study rationality problems…
Apr 20, 2018
Numerical Analysis

Pass-Efficient Randomized Algorithms for Low-Rank Matrix Approximatio…

This paper describes practical randomized algorithms for low-rank matrix approximation that accommodate any budget for the number of views of the mat…
Feb 03, 2011

MOA-2009-BLG-387Lb: A massive planet orbiting an M dwarf

We report the discovery of a planet with a high planet-to-star mass ratio in the microlensing event MOA-2009-BLG-387, which exhibited pronounced devi…
Jul 25, 2017

Cavity QED engineering of spin dynamics and squeezing in a spinor gas

We propose a method for engineering spin dynamics in ensembles of integer-spin atoms confined within a high-finesse optical cavity. Our proposal uses…
Apr 02, 2009

The Extreme Microlensing Event OGLE-2007-BLG-224: Terrestrial Paralla…

Parallax is the most fundamental technique to measure distances to astronomical objects. Although terrestrial parallax was pioneered over 2000 years …
Jun 03, 2015

Learn-As-You-Go Acceleration of Cosmological Parameter Estimates

Cosmological analyses can be accelerated by approximating slow calculations using a training set, which is either precomputed or generated dynamicall…
Sep 21, 2018
Optics

Emission of intense resonant radiation by dispersion-managed Kerr cav…

We report on an experimental and numerical study of temporal Kerr cavity soliton dynamics in dispersion-managed fiber ring resonators. We find that d…
Dec 14, 2013

Simple predictions from multifield inflationary models

We explore whether multifield inflationary models make unambiguous predictions for fundamental cosmological observables. Focusing on $N$-quadratic in…
Jan 20, 2020
Image and Video Processing
Computer Vision
Machine Learning
Neural and Evolutionary Computation

An Efficient Framework for Automated Screening of Clinically Signific…

The present study proposes a new approach to automated screening of Clinically Significant Macular Edema (CSME) and addresses two major challenges as…
Feb 08, 2020
Computation and Language

HHH: An Online Medical Chatbot System based on Knowledge Graph and …

This paper proposes a chatbot framework that adopts a hybrid model which consists of a knowledge graph and a text similarity model. Based on this cha…
Sep 24, 2019
Artificial Intelligence
Computer Vision
Robotics

Non-monotonic Logical Reasoning Guiding Deep Learning for Explainable…

State of the art algorithms for many pattern recognition problems rely on deep network models. Training these models requires a large labeled dataset…
Mar 27, 2018
Optics

Spontaneous symmetry breaking and trapping of temporal Kerr cavity …

We report on a systematic study of temporal Kerr cavity soliton dynamics in the presence of pulsed or amplitude modulated driving fields. In stark co…
Mar 24, 2014

The Knotted Sky II: Does BICEP2 require a nontrivial primordial power…

An inflationary gravitational wave background consistent with BICEP2 is difficult to reconcile with a simple power-law spectrum of primordial scalar …
Feb 21, 2018
Optics

Writing and Erasing of Temporal Kerr Cavity Solitons via Intensity …

We experimentally and numerically study the use of intensity modulation for the controlled addressing of temporal Kerr cavity solitons. Using a coher…
Dec 07, 2009

A Cold Neptune-Mass Planet OGLE-2007-BLG-368Lb: Cold Neptunes Are Com…

We present the discovery of a Neptune-mass planet OGLE-2007-BLG-368Lb with a planet-star mass ratio of q=[9.5 +/- 2.1] x 10^{-5} via gravitational mi…
May 22, 2017

The First Eclipsing Binary Catalogue from the MOA-II database

We present the first catalogue of eclipsing binaries in two MOA fields towards the Galactic bulge, in which over 8,000 candidates, mostly contact and…
May 22, 2019
Machine Learning

Recurring Concept Meta-learning for Evolving Data Streams

When concept drift is detected during classification in a data stream, a common remedy is to retrain a framework's classifier. However, this loses us…
Oct 19, 2019
Computer Vision

Component Attention Guided Face Super-Resolution Network: CAGFace

To make the best use of the underlying structure of faces, the collective information through face datasets and the intermediate estimates during the…
Oct 21, 2020
Artificial Intelligence
Robotics

Axiom Learning and Belief Tracing for Transparent Decision Making in …

A robot's ability to provide descriptions of its decisions and beliefs promotes effective collaboration with humans. Providing such transparency is p…
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