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- Astronomical Observatory of RomeIT4 papers
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- Kavli Institute for the Physics and Mathematics of the UniverseJP2 papers
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35 papers
Lattice QCD study of color correlations between quarks in static multiquark systems
Toru T. Takahashi, Yoshiko Kanada-En'yo
We study the color correlation between two static quarks in 3Q () and 4Q () multiquark systems at based on the reduced two-body density matrices in c…
Scalar field stochastic dynamics in de Sitter spacetime from exact solutions of quantum deficient oscillators
Yuta Nasuda, Koki Tokeshi, Yuki Watanabe
The stochastic dynamics of a scalar field in de Sitter spacetime can be regarded as a non-perturbative diffusion process, to which exact distribution and correlation functions are…
Local log-regular rings vs. toric rings
Shinnosuke Ishiro
Local log-regular rings are a certain class of Cohen-Macaulay local rings that are treated in logarithmic geometry. Our paper aims to provide purely commutative ring theoretic proo…
Perfectoid towers and their tilts : with an application to the étale cohomology groups of local log-regular rings
Shinnosuke Ishiro, Kei Nakazato, Kazuma Shimomoto
To initiate a systematic study on the applications of perfectoid methods to Noetherian rings, we introduce the notions of perfectoid towers and their tilts. We mainly show that the…
Lattice QCD study of static quark and antiquark correlations at finite via entanglement entropies
Toru T. Takahashi, Yoshiko Kanada-En'yo
With the aim of clarification of color correlations among quarks, we investigate the color correlation between a static quark and an antiquark (static ) below and above th…
Classification of non-free Kleinian groups generated by two parabolic transformations
Hirotaka Akiyoshi, Ken'ichi Ohshika, John Parker +2
We give a full proof to Agol's announcement on the classification of non-free Kleinian groups generated by two parabolic transformations.