Results 111 to 120 of about 112,777 (272)

Thurston obstructions and tropical geometry

open access: yesBulletin of the London Mathematical Society, EarlyView.
Abstract We describe an application of tropical moduli spaces to complex dynamics. A post‐critically finite branched covering φ$\varphi$ of S2$S^2$ induces a pullback map on the Teichmüller space of complex structures of S2$S^2$; this descends to an algebraic correspondence on the moduli space of point‐configurations of P1$\mathbb {P}^1$.
Rohini Ramadas
wiley   +1 more source

The Coble hypersurfaces

open access: yesComptes Rendus. Mathématique, 2003
6 ...
openaire   +3 more sources

Right Conoids Demonstrating a Time-like Axis within Minkowski Four-Dimensional Space

open access: yesMathematics
In the four-dimensional Minkowski space, hypersurfaces classified as right conoids with a time-like axis are introduced and studied. The computation of matrices associated with the fundamental form, the Gauss map, and the shape operator specific to these
Yanlin Li, Erhan Güler
doaj   +1 more source

Equivariant geometry of singular cubic threefolds, II

open access: yesJournal of the London Mathematical Society, Volume 112, Issue 1, July 2025.
Abstract We study linearizability of actions of finite groups on cubic threefolds with nonnodal isolated singularities.
Ivan Cheltsov   +3 more
wiley   +1 more source

Algebraic hypersurfaces [PDF]

open access: yesBulletin of the American Mathematical Society, 2019
We give an introduction to the study of algebraic hypersurfaces, focusing on the problem of when two hypersurfaces are isomorphic or close to being isomorphic. Working with hypersurfaces and emphasizing examples makes it possible to discuss these questions without any previous knowledge of algebraic geometry.
openaire   +2 more sources

Surface and form in contemporary architecture / Paviršius ir forma šiuolaikinėje architektūroje

open access: yesMokslas: Lietuvos Ateitis, 2012
Architectural form in contemporary architecture gains more and more independence and visual difference from the tectonic structure of the building. Many researchers of contemporary architecture separate a building’s “skin” from its carcass.
Algimantas M. Mačiulis
doaj   +1 more source

Oka properties of some hypersurface complements [PDF]

open access: yes, 2011
Oka manifolds can be viewed as the "opposite" of Kobayashi hyperbolic manifolds. Kobayashi asked whether the complement in projective space of a generic hypersurface of sufficiently high degree is hyperbolic.
Alexander Hanysz
semanticscholar   +1 more source

A Joyful Journey: Tungsten(VI) and Tungsten(V) Fluorides Meet N‐Heterocyclic Carbenes and Cyclic (Alkyl)(Amino)Carbenes

open access: yesAngewandte Chemie International Edition, Volume 64, Issue 25, June 17, 2025.
The first tungsten(VI) fluoride complexes coordinated with N‐heterocyclic carbenes and cyclic (alkyl)(amino) carbenes were synthesized and characterized. Reduction of these seven‐coordinated complexes afforded rare octahedral tungsten(V) fluoride complexes, a dinuclear fluoride‐bridged complex (cAACMe), or a seven‐coordinated (cAACMe) bis‐carbene ...
Melanie Riethmann   +7 more
wiley   +1 more source

On the Minimal Hypersurfaces

open access: yesCommunications, Faculty Of Science, University of Ankara Series A1Mathematics and Statistics, 1983
In this paper the Euler’s theorem and some corollaries for minimal hypersurfaces are ob- tained. Moreover characterizations for asymptotic curves on the minimal hypersurfaces and surfaces are given. On the other hand a theorem, on the conjugate minimal surfaces, is also gi­ ven.
B. Karliğa, Hilmi H. Hacisalihoğlu
openaire   +3 more sources

On hypersurfaces in a locally affine Riemannian Banach manifold II

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2004
In our previous work (2002), we proved that an essential second-order hypersurface in an infinite-dimensional locally affine Riemannian Banach manifold is a Riemannian manifold of constant nonzero curvature.
El-Said R. Lashin, Tarek F. Mersal
doaj   +1 more source

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