Image sampling with quasicrystals.
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Displaying 1 – 9 of 9
Independent generators for congruence subgroups of Hecke groups.
M.-L. Lang, C.-H. Lim, S.-P. Tan (1995)
Mathematische Zeitschrift
Inequalities for Möbius transformations and discrete groups.
G.J. Martin, F.W. Gehring (1991)
Journal für die reine und angewandte Mathematik
Infinite classes of simple and multiple antisymmetry four-dimensional point groups.
Jablan, Slavik V. (1992)
Publications de l'Institut Mathématique. Nouvelle Série
Infinite dimensional general linear groups have finite width.
Tolstykh, V.A. (2006)
Sibirskij Matematicheskij Zhurnal
Infinite dimensional linear groups with many G - invariant subspaces
Leonid Kurdachenko, Alexey Sadovnichenko, Igor Subbotin (2010)
Open Mathematics
Let F be a field, A be a vector space over F, GL(F, A) be the group of all automorphisms of the vector space A. A subspace B of A is called nearly G-invariant, if dimF(BFG/B) is finite. A subspace B is called almost G-invariant, if dim F(B/Core G(B)) is finite. In the current article, we study linear groups G such that every subspace of A is either nearly G-invariant or almost G-invariant in the case when G is a soluble p-group where p = char F.
Integral quadratic forms : applications to algebraic geometry
Igor Dolgachev (1982/1983)
Séminaire Bourbaki
Invariants of a class of transformation groups.
Hans Schwerdtfeger (1976)
Aequationes mathematicae
Involutions of compact Klein surfaces.
E. Bujalance, A. Costa, S. Natanzon (1992)
Mathematische Zeitschrift
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