Quasirecognition of a class of finite simple groups by the set of element orders.
Alekseeva, O. A., Kondrat'ev, A. S. (2003)
Sibirskij Matematicheskij Zhurnal
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Displaying similar documents to “On the principal congruence subgroups of the Hecke-group .”
Quasirecognition of a class of finite simple groups by the set of element orders.
Dispersion relations for the multivelocity acoustic Peierls equations and some properties of the scalar acoustic Peierls potential. I, II.
Kirejtov, V.R. (2001)
Sibirskij Matematicheskij Zhurnal
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To the theory of the alternating triangle iteration method.
Konovalov, A.N. (2002)
Sibirskij Matematicheskij Zhurnal
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An existence criterion for -norms of higher-order derivatives of solutions to a homogeneous parabolic equation.
Akhmetov, D.R. (2000)
Siberian Mathematical Journal
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Study of the limit of transmission problems in a thin layer by the sum theory of linear operators.
Angelo Favini, Rabah Labbas, Keddour Lemrabet, Stéphane Maingot (2005)
Revista Matemática Complutense
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On the problem of the Marangoni-to-Prandtl boundary layer transition.
Kuznetsov, V.V. (2000)
Sibirskij Matematicheskij Zhurnal
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Unit indices and cohomology for biquadratic extensions of imaginary quadratic fields
Marcin Mazur, Stephen V. Ullom (2008)
Journal de Théorie des Nombres de Bordeaux
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We investigate as Galois module the unit group of biquadratic extensions of number fields. The -rank of the first cohomology group of units of is computed for general . For imaginary quadratic we determine a large portion of the cases (including all unramified ) where the index takes its maximum value , where are units mod torsion of and are units mod torsion of one of the 3 quadratic subfields of .
On a method for solving a classical variational problem.
Zelenyak, T.I., Lyul'ko, N.A. (2000)
Siberian Mathematical Journal
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A generalization of Voronoï’s Theorem to algebraic lattices
Kenji Okuda, Syouji Yano (2010)
Journal de Théorie des Nombres de Bordeaux
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Let be an algebraic number field and the ring of integers of . In this paper, we prove an analogue of Voronoï’s theorem for -lattices and the finiteness of the number of similar isometry classes of perfect -lattices.