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pro vyhledávání: '"Ishihara, Hironobu"'
Autor:
Ishihara, Hironobu
Let $E$ be an ample vector bundle of rank $r$ on a projective variety $X$ with only log-terminal singularities. We consider the nefness of adjoint divisors $K_X+(t-r)det(E)$ when $t>=dim(X)$ and $t>r$. As a corollary, we classify pairs $(X,E)$ with $
Externí odkaz:
http://arxiv.org/abs/math/9902113
Autor:
Fukuma, Yoshiaki, Ishihara, Hironobu
Let $X$ be a compact complex manifold of dimension $n\ge 2$ and $\ce$ an ample vector bundle of rank $r
Externí odkaz:
http://arxiv.org/abs/alg-geom/9709023
Autor:
Ishihara, Hironobu
A new genus $g=g(X,\ce)$ is defined for the pairs $(X,\ce)$ that consist of $n$-dimensional compact complex manifolds $X$ and ample vector bundles $\ce$ of rank $r$ less than $n$ on $X$. In case $r=n-1$, $g$ is equal to curve genus. Above pairs $(X,\
Externí odkaz:
http://arxiv.org/abs/alg-geom/9709024
Autor:
Ishihara, Hironobu
Some classification results for ample vector bundles of rank 2 on Hirzebruch surfaces, and on Del Pezzo surfaces, are obtained. In particular, we classify rank-2 ample vector bundles with $c_2$ less than 7 on Hirzebruch surfaces, and with $c_2$ less
Externí odkaz:
http://arxiv.org/abs/alg-geom/9605004
Autor:
Ishihara, Hironobu
This paper is an attempt for the classification of polarized manifolds of sectional genus $g=3$ and dimension $n\geq 3$. As in the case of $g\leq 2$,which was classified by T.Fujita,we use Mori-Kawamata theory. The classification result of $g=3$ and
Externí odkaz:
http://arxiv.org/abs/alg-geom/9402010
Autor:
van de Velde, Willem, Zehirov, Grigor, Szatmari, Agnes, Debreczeny, Monika, Ishihara, Hironobu, Kevei, Zoltan, Farkas, Attila, Mikulass, Kata, Nagy, Andrea, Tiricz, Hilda, Satiat-Jeunemaître, Beatrice, Alunni, Benoit, Bourge, Mickael, Kucho, Ken-ichi, Abe, Mikiko, Kereszt, Attila, Maroti, Gergely, Uchiumi, Toshiki, Kondorosi, Eva, Mergaert, Peter
Publikováno v:
Science, 2010 Feb . 327(5969), 1122-1126.
Externí odkaz:
https://www.jstor.org/stable/40544106
Akademický článek
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Autor:
Ishihara, HIRONOBU
Publikováno v:
Geometriae Dedicata; Oct1997, Vol. 67 Issue 3, p309-336, 28p
Autor:
Fukuma, Yoshiaki, Ishihara, Hironobu
Publikováno v:
Archiv der Mathematik; Aug1998, Vol. 71 Issue 2, p159-168, 10p