Results 31 to 40 of about 42,383 (261)

Holomorphic Curves into Algebraic Varieties Intersecting Moving Hypersurface Targets [PDF]

open access: yesActa Mathematica Vietnamica, 2015
In Ru (Ann. Math. 169 , 255–267 2009 ), Min Ru proved a second main theorem for algebraically nondegenerate holomorphic curves in complex projective varieties intersecting fixed hypersurface targets.
William Cherry, G. Dethloff, T. Tran
semanticscholar   +1 more source

Determinantal hypersurfaces. [PDF]

open access: yesMichigan Mathematical Journal, 2000
29 pages, Plain TeX, with a new Appendix by F.-O ...
openaire   +4 more sources

Coisotropic hypersurfaces in Grassmannians [PDF]

open access: yesJournal of Symbolic Computation, 2021
22 ...
openaire   +2 more sources

Extended Object Tracking with Random Hypersurface Models [PDF]

open access: yesIEEE Transactions on Aerospace and Electronic Systems, 2013
The random hypersurface model (RHM) is introduced for estimating a shape approximation of an extended object in addition to its kinematic state. An RHM represents the spatial extent by means of randomly scaled versions of the shape boundary. In doing so,
M. Baum, U. Hanebeck
semanticscholar   +1 more source

Nonrational hypersurfaces [PDF]

open access: yesJournal of the American Mathematical Society, 1995
In this very interesting paper there are developed some general ideas to obtain examples of Fano varieties, non-rational and not even ruled. -- Complete proofs, here only sketched, will appear elsewhere. The results are valid for ``very general'' hypersurfaces, that is they hold for hypersurfaces corresponding to a point in the complement of countably ...
openaire   +2 more sources

Min-max hypersurface in manifold of positive Ricci curvature [PDF]

open access: yes, 2015
In this paper, we study the shape of the min-max minimal hypersurface produced by Almgren-Pitts-Schoen-Simon \cite{AF62, AF65, P81, SS81} in a Riemannian manifold $(M^{n+1}, g)$ of positive Ricci curvature for all dimensions. The min-max hypersurface has
Xin Zhou
semanticscholar   +1 more source

A Lower Bound for the Determinantal Complexity of a Hypersurface [PDF]

open access: yesFoundations of Computational Mathematics, 2015
We prove that the determinantal complexity of a hypersurface of degree $$d > 2$$d>2 is bounded below by one more than the codimension of the singular locus, provided that this codimension is at least 5.
J. Alper   +2 more
semanticscholar   +1 more source

Irreducibility of Hypersurfaces [PDF]

open access: yesCommunications in Algebra, 2009
Given a polynomial P in several variables over an algebraically closed field, we show that except in some special cases that we fully describe, if one coefficient is allowed to vary, then the polynomial is irreducible for all but at most deg(P)^2-1 values of the coefficient.
Bodin, Arnaud   +2 more
openaire   +2 more sources

Differential forms on free and almost free divisors [PDF]

open access: yes, 2000
We introduce a variant of the usual Kähler forms on singular free divisors, and show that it enjoys the same depth properties as Kähler forms on isolated hypersurface singularities.
Mond, D. (David)
core   +1 more source

Weak Nearly Sasakian and Weak Nearly Cosymplectic Manifolds

open access: yesMathematics, 2023
Weak contact metric structures on a smooth manifold, introduced by V. Rovenski and R. Wolak in 2022, have provided new insight into the theory of classical structures.
Vladimir Rovenski
doaj   +1 more source

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