Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Toru Ohmoto"'
Autor:
Toru Ohmoto, Naomichi Nakajima
Publikováno v:
Information Geometry. 4:31-64
The dually flat structure introduced by Amari-Nagaoka is highlighted in information geometry and related fields. In practical applications, however, the underlying pseudo-Riemannian metric may often be degenerate, and such an excellent geometric stru
Autor:
Kazuma Tateiri, Toru Ohmoto
In the present paper, we propose a novel generalization of the celebrated MMP algorithm in order to find the wavefront propagation and the cut-locus on a convex polyhedron with an emphasis on actual implementation for instantaneous visualization and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7a42ba6108253f41234726ebcc5e2f13
http://arxiv.org/abs/2112.06164
http://arxiv.org/abs/2112.06164
Autor:
Junki Tanaka, Toru Ohmoto
Publikováno v:
Journal of Singularities.
Any ruled surface in Euclidean 3-space is described as a curve of unit dual vectors in the algebra of dual quaternions (=the even Clifford algebra of type (0,3,1)). Combining this classical framework and Singularity Theory, we characterize local diff
Autor:
Masahiro Shiota, Toru Ohmoto
Publikováno v:
Journal of Topology. 10:765-775
We show that every semialgebraic set admits a semialgebraic triangulation such that each closed simplex is C1 differentiable. As an application, we give a straightforward definition of the integration ∫Xω over a compact semialgebraic subset X of a
Publikováno v:
Bulletin of the Brazilian Mathematical Society, New Series. 48:623-639
We present a local classification of smooth surfaces in $${\mathbb {P}}^3$$ in terms of the singularity types (of codimension $$\le $$ 4) of their central projections to a plane. Based on our classification result, we also give exact normal forms to
Publikováno v:
The Quarterly Journal of Mathematics. 66:369-391
Autor:
Toru Ohmoto
Publikováno v:
School on Real and Complex Singularities in São Carlos, 2012, R. N. Araújo dos Santos, V. H. Jorge Pérez, T. Nishimura and O. Saeki, eds. (Tokyo: Mathematical Society of Japan, 2016)
We introduce a new branch of the Thom polynomial theory for local and multi-singularities of maps.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7089bca54099e9bdc6f21b162890967f
https://projecteuclid.org/euclid.aspm/1538621983
https://projecteuclid.org/euclid.aspm/1538621983
Autor:
Toru Ohmoto
Publikováno v:
Real and Complex Singularities. :143-159
Autor:
Toru Ohmoto
Publikováno v:
Mathematical Proceedings of the Cambridge Philosophical Society. 144:423-438
In this paper, for a possibly singular complex variety X, generating functions of total orbifold Chern homology classes of the symmetric products SnX are given. These are very natural “class versions” of known generating function formulae of (gen