On the principal congruence subgroups of the Hecke-group .

Yılmaz Özgür, Nihal; Cangül, İ. Naci

Displaying similar documents to “On the principal congruence subgroups of the Hecke-group $H (\sqrt{5})$ .”

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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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 $L_{1}$ -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 $L / M$ of number fields. The $2$ -rank of the first cohomology group of units of $L / M$ is computed for general $M$ . For $M$ imaginary quadratic we determine a large portion of the cases (including all unramified $L / M$ ) where the index $[V : V_{1} V_{2} V_{3}]$ takes its maximum value $8$ , where $V$ are units mod torsion of $L$ and $V_{i}$ are units mod torsion of one of the 3 quadratic subfields of $L / M$ .

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 $K$ be an algebraic number field and $𝒪_{K}$ the ring of integers of $K$ . In this paper, we prove an analogue of Voronoï’s theorem for $𝒪_{K}$ -lattices and the finiteness of the number of similar isometry classes of perfect $𝒪_{K}$ -lattices.

Displaying similar documents to “On the principal congruence subgroups of the Hecke-group H ( 5 ) .”

Displaying similar documents to “On the principal congruence subgroups of the Hecke-group $H (\sqrt{5})$ .”