Zobrazeno 1 - 10
of 1 223
pro vyhledávání: '"Tanaka, Akihiro"'
Publikováno v:
Phys. Rev. B 110, L100403 (2024)
Spin parity effects refer to those special situations where a dichotomy in the physical behavior of a system arises, solely depending on whether the relevant spin quantum number is integral or half-odd integral. As is the case with the Haldane conjec
Externí odkaz:
http://arxiv.org/abs/2402.19311
Publikováno v:
Machine Learning and Knowledge Discovery in Databases: Applied Data Science and Demo Track. ECML PKDD 2023. Lecture Notes in Computer Science, vol 14175 pp. 335-339
$\chi$iplot is an HTML5-based system for interactive exploration of data and machine learning models. A key aspect is interaction, not only for the interactive plots but also between plots. Even though $\chi$iplot is not restricted to any single appl
Externí odkaz:
http://arxiv.org/abs/2306.12110
We present a fully quantum mechanical account of a novel {\it spin parity effect} -- physics which depend sharply on whether the spin quantum number $S$ is half-odd integral or integral, which we find to be present in models of monoaxial chiral ferro
Externí odkaz:
http://arxiv.org/abs/2209.04227
Autor:
Nikolaev, Sergey A., Tanaka, Akihiro
We present a path integral formalism for the intrinsic quantum dynamics of magnetic skyrmions coupled to a thermal background of magnetic fluctuations. Upon promoting the skyrmion's collective coordinate $\boldsymbol{R}$ to a dynamic variable and int
Externí odkaz:
http://arxiv.org/abs/2206.08532
Autor:
Kondo, Koyuki1,2 (AUTHOR), Tanaka, Akihiro1 (AUTHOR), Kunieda, Takekazu1 (AUTHOR) kunieda@bs.s.u-tokyo.ac.jp
Publikováno v:
PLoS Genetics. 6/13/2024, Vol. 20 Issue 6, p1-20. 20p.
Autor:
Sekine, Jun, Tanaka, Akihiro
The X-valuation adjustment (XVA) problem, which is a recent topic in mathematical finance, is considered and analyzed. First, the basic properties of backward stochastic differential equations (BSDEs) with a random horizon in a progressively enlarged
Externí odkaz:
http://arxiv.org/abs/2006.02173
Avikainen showed that, for any $p,q \in [1,\infty)$, and any function $f$ of bounded variation in $\mathbb{R}$, it holds that $\mathbb{E}[|f(X)-f(\widehat{X})|^{q}] \leq C(p,q) \mathbb{E}[|X-\widehat{X}|^{p}]^{\frac{1}{p+1}}$, where $X$ is a one-dime
Externí odkaz:
http://arxiv.org/abs/2005.03219
Akademický článek
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Akademický článek
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Publikováno v:
Computational Optimization and Applications, 2021
We develop techniques to construct a series of sparse polyhedral approximations of the semidefinite cone. Motivated by the semidefinite (SD) bases proposed by Tanaka and Yoshise (2018), we propose a simple expansion of SD bases so as to keep the spar
Externí odkaz:
http://arxiv.org/abs/1905.00166