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Subjects
53-XX Differential geometry
53Cxx Global differential geometry
53C65 Integral geometry ; differential forms, currents, etc.

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Displaying 1 – 15 of 15

A certain inversion problem for the ray transform with incomplete data.

Begmatov, Akram Kh. (2001)

Sibirskij Matematicheskij Zhurnal

A generalization of Steiner Symmetrization for immersed surfaces and its applications.

Miyuki Koiso (1995)

Manuscripta mathematica

A Heat Semigroup Approach to Concentration on the Sphere and on a Compact Riemannian Manifold.

M. Ledoux (1992)

Geometric and functional analysis

A perturbed integral geometry problem in a three-dimensional space.

Begmatov, A.Kh. (2000)

Siberian Mathematical Journal

A remark on mixed curvature measures for sets with positive reach.

Rataj, J., Zähle, M. (2002)

Beiträge zur Algebra und Geometrie

A spectral Paley-Wiener theorem for the Heisenberg group and a support theorem for the twisted spherical means on $ℂ^{n}$

E. K. Narayanan, S. Thangavelu (2006)

Annales de l’institut Fourier

We prove a spectral Paley-Wiener theorem for the Heisenberg group by means of a support theorem for the twisted spherical means on $ℂ^{n} .$ If $f (z) e^{\frac{1}{4} {| z |}^{2}}$ is a Schwartz class function we show that $f$ is supported in a ball of radius $B$ in $ℂ^{n}$ if and only if $f \times μ_{r} (z) = 0$ for $r > B + | z |$ for all $z \in ℂ^{n} .$ This is an analogue of Helgason’s support theorem on Euclidean and hyperbolic spaces. When $n = 1$ we show that the two conditions $f \times μ_{r} (z) = μ_{r} \times f (z) = 0$ for $r > B + | z |$ imply a support theorem for a large class of functions with exponential growth. Surprisingly enough,this latter...

A sufficient condition for the convexity of the area of an isoptic curve of an oval

M. Michalska (2003)

Rendiconti del Seminario Matematico della Università di Padova

A Variational Proof of the Gauss-Bonnet Formula.

Moritz Armsen (1977)

Manuscripta mathematica

An integral formula for non-Codazzi tensors

Alois Švec (1978)

Czechoslovak Mathematical Journal

An integral formula for submanifolds and its application

Bang Yen Chen (1972)

Annales Polonici Mathematici

An integral formula in differential geometry via mixed exterior algebra.

Allen Y. Leung, J.R. Vanstone (1993)

Manuscripta mathematica

An integral formula related to inner isoptics

H. Martini, W. Mozgawa (2011)

Rendiconti del Seminario Matematico della Università di Padova

An integral geometry problem along geodesics and a computational approach.

Gölgeleyen, İsmet (2010)

Analele Ştiinţifice ale Universităţii “Ovidius" Constanţa. Seria: Matematică

An integral geometry problem in a nonconvex domain.

Sharafutdinov, V.A. (2002)

Sibirskij Matematicheskij Zhurnal

Anwendungen der differentialtopologischen Berechnung der totalen Krümmung und totalen Absolutkrümmung in der sphärischen Differentialgeometrie.

Eberhard Teufel (1980)

Manuscripta mathematica

Currently displaying 1 – 15 of 15

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