10.9k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- The University of TokyoJP1.8k papers
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270 papers · 1 filter
On a Japanese Subjective Well-Being Indicator Based on Twitter data
Tiziana Carpi, Airo Hino, Stefano Maria Iacus +1
This study presents for the first time the SWB-J index, a subjective well-being indicator for Japan based on Twitter data. The index is composed by eight dimensions of subjective w…
Jones polynomials of long virtual knots
Noboru Ito
This paper defines versions of the Jones polynomial and Khovanov homology by using several maps from the set of Gauss diagrams to its variant. Through calculation of some examples,…
An equivariant Hochster's formula for -invariant monomial ideals
Satoshi Murai, Claudiu Raicu
Let be a polynomial ring over a field and let be a monomial ideal preserved by the natural action of the symmetric group $\mathfrak S_…
On Lorentz-invariant bi-spin-2 theories
Rampei Kimura, Atsushi Naruko, Daisuke Yamauchi
We investigate a Lorentz invariant action which is quadratic in two rank-2 symmetric tensor fields in Minkowski spacetime. We apply a scalar-vector-tensor decomposition to two tens…
Tensor-network approach to thermalization in open quantum many-body systems
Hayate Nakano, Tatsuhiko Shirai, Takashi Mori
We investigate the relaxation dynamics of open non-integrable quantum many-body systems in the thermodynamic limit by using a tensor-network formalism. We simulate the Lindblad qua…
Exploring Effectiveness of Inter-Microtask Qualification Tests in Crowdsourcing
Masaya Morinaga, Susumu Saito, Teppei Nakano +2
Qualification tests in crowdsourcing are often used to pre-filter workers by measuring their ability in executing microtasks.While creating qualification tests for each task type i…
Direct Measurement of the Cosmic-Ray Carbon and Oxygen Spectra from 10 GeV to 2.2 TeV with the Calorimetric Electron Telescope on the International Space Station
O. Adriani, Y. Akaike, K. Asano +81
In this paper, we present the measurement of the energy spectra of carbon and oxygen in cosmic rays based on observations with the Calorimetric Electron Telescope (CALET) on the In…
Packaging of Thick Membranes using a Multi-Spiral Folding Approach: Flat and Curved Surfaces
Victor Parque, Wataru Suzaki, Satoshi Miura +3
Elucidating versatile configurations of spiral folding, and investigating the deployment performance is of relevant interest to extend the applicability of deployable membranes tow…
Finite presentations for stated skein algebras and lattice gauge field theory
Julien Korinman
We provide finite presentations for stated skein algebras and deduce that those algebras are Koszul and that they are isomorphic to the quantum moduli algebras appearing in lattice…
Guiding Principle for Minor-Embedding in Simulated-Annealing-Based Ising Machines
Tatsuhiko Shirai, Shu Tanaka, Nozomu Togawa
We propose a novel type of minor-embedding (ME) in simulated-annealing-based Ising machines. The Ising machines can solve combinatorial optimization problems. Many combinatorial op…
Target Detection within Nonhomogeneous Clutter via Total Bregman Divergence-Based Matrix Information Geometry Detectors
Xiaoqiang Hua, Yusuke Ono, Linyu Peng +2
Information divergences are commonly used to measure the dissimilarity of two elements on a statistical manifold. Differentiable manifolds endowed with different divergences may po…
Disentangling mass spectra of multiple fields in cosmological collider
Shuntaro Aoki, Masahide Yamaguchi
We study effects of multiple scalar fields (scalar isocurvatons) with the Hubble scale masses on the inflationary bispectrum in the squeezed limit, particular paying attention to t…
Velocity-dependent interacting dark energy and dark matter with a Lagrangian description of perfect fluids
Jose Beltrán Jiménez, Dario Bettoni, David Figueruelo +2
We consider a cosmological scenario where the dark sector is described by two perfect fluids that interact through a velocity-dependent coupling. This coupling gives rise to an int…
Guesswork of a quantum ensemble
Michele Dall'Arno, Francesco Buscemi, Takeshi Koshiba
The guesswork of a quantum ensemble quantifies the minimum number of guesses needed in average to correctly guess the state of the ensemble, when only one state can be queried at a…
Graph-based open-ended survey on concerns related to COVID-19
Tatsuro Kawamoto, Takaaki Aoki, Michiko Ueda
The COVID-19 pandemic is an unprecedented public health crisis with broad social and economic consequences. We conducted four surveys between April and August 2020 using the graph-…
Search for new phenomena with top quark pairs in final states with one lepton, jets, and missing transverse momentum in collisions at = 13 TeV with the ATLAS detector
ATLAS Collaboration
A search for new phenomena with top quark pairs in final states with one isolated electron or muon, multiple jets, and large missing transverse momentum is performed. Signal region…
LCS Graph Kernel Based on Wasserstein Distance in Longest Common Subsequence Metric Space
Jianming Huang, Zhongxi Fang, Hiroyuki Kasai
For graph learning tasks, many existing methods utilize a message-passing mechanism where vertex features are updated iteratively by aggregation of neighbor information. This strat…
Local moments versus itinerant antiferromagnetism: magnetic phase diagram and spectral properties of the anisotropic square lattice Hubbard model
Marcin Raczkowski, Fakher F. Assaad, Masatoshi Imada
Using a cluster extension of the dynamical mean-field theory (CDMFT) we map out the magnetic phase diagram of the anisotropic square lattice Hubbard model with nearest-neighbor int…
An Identity for Two Integral Transforms Applied to the Uniqueness of a Distribution via its Laplace-Stieltjes Transform
Gwo Dong Lin, Xiaoling Dou
It is well known that the Laplace-Stieltjes transform of a nonnegative random variable (or random vector) uniquely determines its distribution function. We extend this uniqueness t…
Muon reconstruction and identification efficiency in ATLAS using the full Run 2 collision data set at TeV
ATLAS Collaboration
This article documents the muon reconstruction and identification efficiency obtained by the ATLAS experiment for 139 fb of collision data at TeV collecte…
Strong and weak (1, 3) homotopies on knot Projections
Noboru Ito, Yusuke Takimura, Kouki Taniyama
Strong and weak (1, 3) homotopies are equivalence relations on knot projections, defined by the first flat Reidemeister move and each of two different types of the third flat Reide…
Spin Seebeck Effect in Nonmagnetic Excitonic Insulators
Joji Nasu, Makoto Naka
We propose a mechanism of the spin Seebeck effect attributed to excitonic condensation in a nonmagnetic insulator. We analyze a half-filled two-orbital Hubbard model with a crystal…
On a nontrivial knot projection under (1, 3) homotopy
Noboru Ito, Yusuke Takimura
In 2001, Östlund formulated the question: are Reidemeister moves of types 1 and 3 sufficient to describe a homotopy from any generic immersion of a circle in a two-dimensional plan…
A puzzling non-detection of [O III] and [C II] from a galaxy observed with ALMA
C. Binggeli, A. K. Inoue, T. Hashimoto +12
Characterizing the galaxy population in the early Universe holds the key to understanding the evolution of these objects and the role they played in cosmic reionization. However, t…