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5 papers · 1 filter
Hankel Multipliers And Transplantation Operators
Krzysztof Stempak, Walter Trebels
Connections between Hankel transforms of different order for -functions are examined. Well known are the results of Guy [Guy] and Schindler [Sch]. Further relations result fro…
Kernels of surjections from -spaces with an application to Sidon sets
Nigel J. Kalton, A. Pelczynski
If is a surjection from , -finite, onto a Banach space containing then (*) is uncomplemented in its second dual. If is a surjection from an ${…
Naked strong curvature singularities in Szekeres space-times
Pankaj S. Joshi, Andrzej Krolak
We investigate the occurrence and nature of naked singularities in the Szekeres space-times. These space-times represent irrotational dust. They do not have any Killing vectors and…
Porosity of Collet-Eckmann Julia sets
Feliks Przytycki, Steffen Rohde
We prove that the Julia set of a rational map of the Riemann sphere satisfying the Collet-Eckmann condition and having no parabolic periodic point is mean porous, if it is not the…
Formulas for Lagrangian and orthogonal degeneracy loci; the Q-polynomials approach
P. Pragacz, J. Ratajski
Let V be a vector bundle on a scheme X endowed with a nondegenerate symplectic or orthogonal form. Let G be a Grassmannian bundle parametrizing maximal isotropic subbundles of V. T…