Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Yasuhide Numata"'
Autor:
Toshiaki Maeno, Yasuhide Numata
Publikováno v:
Discrete Mathematics & Theoretical Computer Science, Vol DMTCS Proceedings vol. AR,..., Iss Proceedings (2012)
We introduce a certain class of algebras associated to matroids. We prove the Lefschetz property of the algebras for some special cases. Our result implies the Sperner property for the Boolean lattice and the vector space lattice.
Externí odkaz:
https://doaj.org/article/640e91106e7145c59c5e09572d5bb86e
Publikováno v:
Discrete Mathematics & Theoretical Computer Science, Vol DMTCS Proceedings vol. AO,..., Iss Proceedings (2011)
We present an insertion algorithm of Robinson–Schensted type that applies to set-valued shifted Young tableaux. Our algorithm is a generalization of both set-valued non-shifted tableaux by Buch and non set-valued shifted tableaux by Worley and Saga
Externí odkaz:
https://doaj.org/article/12517da0fc00479f8bd3aaaec35ffa4c
Publikováno v:
Discrete Mathematics & Theoretical Computer Science, Vol DMTCS Proceedings vol. AK,..., Iss Proceedings (2009)
In this article, we propose a generalization of the notion of chordal graphs to signed graphs, which is based on the existence of a perfect elimination ordering for a chordal graph. We give a special kind of filtrations of the generalized chordal gra
Externí odkaz:
https://doaj.org/article/c23df3d3aa314b1fbaa4abd91a3ea3eb
Publikováno v:
J. Math. Soc. Japan 71, no. 4 (2019), 1027-1047
We introduce a new algebra associated with a hyperplane arrangement $\mathcal{A}$, called the Solomon–Terao algebra $ST(\mathcal{A}, \eta)$, where $\eta$ is a homogeneous polynomial. It is shown by Solomon and Terao that $ST(\mathcal{A}, \eta)$ is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4525683f1b348f5ff00d172ab404fbc4
https://projecteuclid.org/euclid.jmsj/1563350426
https://projecteuclid.org/euclid.jmsj/1563350426
Autor:
Yasuhide NUMATA1 numata@stat.t.u-tokyo.ac.jp, Akimichi TAKEMURA1 takemura@stat.t.u-tokyo.ac.jp
Publikováno v:
Harmony of Grobner Bases & the Modern Industrial Society - the Second Crest-Sbm International Conference. 2012, p228-252. 25p.
Publikováno v:
International Journal of Foundations of Computer Science. 26:169-194
In this paper, we specify a class of mathematical problems, which we refer to as "Function Density Problems" (FDPs, in short), and point out novel connections of FDPs to the following two cryptographic topics; theoretical security evaluations of keyl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ecaa7653dd70554bc81e2e45d3dfc977
https://doi.org/10.1142/s0129054115500100
https://doi.org/10.1142/s0129054115500100
Publikováno v:
Journal of Mathematical Cryptology, Vol 13, Iss 2, Pp 69-80 (2019)
Let $\mathbb{F}_p$ be the finite field of prime order $p$. For any function $f \colon \mathbb{F}_p{}^n \to \mathbb{F}_p$, there exists a unique polynomial over $\mathbb{F}_p$ having degree at most $p-1$ with respect to each variable which coincides w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f843c99149ddec3a0d1a2c852759a409
Publikováno v:
Journal of Multivariate Analysis. 117:296-312
We apply the holonomic gradient method introduced by Nakayama et al. (2011) [23] to the evaluation of the exact distribution function of the largest root of a Wishart matrix, which involves a hypergeometric function "1F"1 of a matrix argument. Numeri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cde198a66e69acd96869fa4a66c6af73
https://doi.org/10.1016/j.jmva.2013.03.011
https://doi.org/10.1016/j.jmva.2013.03.011
Publikováno v:
Annals of Combinatorics. 16:789-813
We consider hyperplane arrangements generated by generic points and study their intersection lattices. These arrangements are known to be equivalent to discriminantal arrangements. We show a fundamental structure of the intersection lattices by decom
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d0e1caf01cb739cebc066902a9f70802
https://doi.org/10.1007/s00026-012-0161-6
https://doi.org/10.1007/s00026-012-0161-6
Autor:
Toshiaki Maeno, Yasuhide Numata
Publikováno v:
Contemporary Mathematics. :73-84
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e99137e1c860df19ea22f7239d424cf
https://doi.org/10.1090/conm/580/11496
https://doi.org/10.1090/conm/580/11496