Results 251 to 260 of about 625,134 (279)

Monostatic SAR with Fold/Cusp Singularities

Journal of Fourier Analysis and Applications, 2015
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Raluca Felea
exaly   +3 more sources

Equivariant smoothings of cusp singularities

, 2021
Let $p \in X$ be the germ of a cusp singularity and let $\iota$ be an antisymplectic involution, that is an involution free on $X\setminus \{p\}$ and such that there exists a nowhere vanishing holomorphic 2-form $\Omega$ on $X\setminus \{p\}$ for which $\iota^*(\Omega)=-\Omega$. We prove that a sufficient condiition for such a singularity equipped with
A. Simonetti
semanticscholar   +2 more sources

Quasi Cusp Singularities

Journal of Singularities, 2015
Summary: We obtain a list of all simple classes of singularities of function germs with respect to the quasi cusp equivalence relation. We discuss its connection with the singularities of Lagrangian projections in presence of a cuspidal edge. We also describe the bifurcation diagrams and caustics of simple quasi cusp singularities.
Fawaz Alharbi
semanticscholar   +2 more sources

Real forms of cusp singularities

Mathematical Proceedings of the Cambridge Philosophical Society, 1986
Cusp singularities were introduced and described in detail in Hirzebruch's fundamental paper [3] (se recall some of the basic results in § 1 below). They form a natural and well-behaved class, included in Laufer's ‘minimally elliptic’ singularities [5].
C. T. C. Wall
semanticscholar   +2 more sources

An Operator Algebra on Manifolds with Cusp-Type Singularities

Annals of Global Analysis and Geometry, 1998
The algebra of pseudodifferential operators on an arbitrary smooth manifold with a finite number of points of cusp-type is investigated. A family of local cusp algebras is constructed and the local Fredholm properties are established. The Fredholm property (global) is a direct consequence of the existence of local regularizers.
Boris Sternin
exaly   +3 more sources

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