Results 11 to 20 of about 84,048 (226)

Curvatures of hypersurfaces

open access: yesLietuvos Matematikos Rinkinys, 2010
In this article we generalize some classical formulas for curvatures of hypersurfaces in the n-dimensional Euclidean space using the homogeneous formulas.
Kazimieras Navickis
doaj   +3 more sources

On the automorphisms of hypersurfaces [PDF]

open access: bronzeKyoto Journal of Mathematics, 1963
H. Matsumura, Paul Monsky
openalex   +4 more sources

Convex hypersurfaces. [PDF]

open access: bronzeMichigan Mathematical Journal, 1972
C.-S. Chen
openalex   +3 more sources

INVARIANT HYPERSURFACES [PDF]

open access: yesJournal of the Institute of Mathematics of Jussieu, 2020
AbstractThe following theorem, which includes as very special cases results of Jouanolou and Hrushovski on algebraic $D$-varieties on the one hand, and of Cantat on rational dynamics on the other, is established: Working over a field of characteristic zero, suppose $\unicode[STIX]{x1D719}_{1},\unicode[STIX]{x1D719}_{2}:Z\rightarrow X$ are dominant ...
Jason Bell, Rahim Moosa, Adam Topaz
openaire   +2 more sources

Determinantal hypersurfaces. [PDF]

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

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.
Arnaud Bodin, Pierre Dèbes, Salah Najib
openaire   +3 more sources

Homaloidal hypersurfaces and hypersurfaces with vanishing Hessian

open access: yesAdvances in Mathematics, 2008
56 pages. v2: Some material added in section 1; minor changes.
CILIBERTO C, RUSSO, Francesco, SIMIS, A.
openaire   +4 more sources

Doubly covariant action principle of singular hypersurfaces in general relativity and scalar-tensor theories [PDF]

open access: yes, 2001
An action principle of singular hypersurfaces in general relativity and scalar-tensor type theories of gravity in the Einstein frame is presented without assuming any symmetry.
Mukohyama, Shinji
core   +2 more sources

Boundary rigidity for Lagrangian submanifolds, non-removable intersections, and Aubry-Mather theory [PDF]

open access: yes, 2003
We consider Lagrangian submanifolds lying on a fiberwise strictly convex hypersurface in some cotangent bundle or, respectively, in the domain bounded by such a hypersurface.
Paternain, Gabriel P.   +2 more
core   +2 more sources

Hypersurfaces of cohomogeneity one and hypersurfaces of revolution

open access: yesDifferential Geometry and its Applications, 2004
A Riemannian manifold \(M\) equipped with a Lie group \(G\) of isometries has cohomogeneity \(1\) whenever the principal \(G\)-orbits are of codimension \(1\). Here, the authors deal with such complete cohomogeneity-\(1\) hypersurfaces \(M\) in \(\mathbb R^{n+1}\), \(n\geq 3\), which are unflat at infinity. He proves the following results: (1) If \(G\)
Jose Adonai Pereira Seixas   +1 more
openaire   +3 more sources

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