The Feferman-Vaught theorem for reduced ideal-products.

Grulović, Milan Z.; Kurilić, Miloš S.

Displaying similar documents to “The Feferman-Vaught theorem for reduced ideal-products.”

Greedy and lazy representations in negative base systems

Tomáš Hejda, Zuzana Masáková, Edita Pelantová (2013)

Kybernetika

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We consider positional numeration systems with negative real base $- β$ , where $β > 1$ , and study the extremal representations in these systems, called here the greedy and lazy representations. We give algorithms for determination of minimal and maximal $(- β)$ -representation with respect to the alternate order. We also show that both extremal representations can be obtained as representations in the positive base $β^{2}$ with a non-integer alphabet. This enables us to characterize digit sequences admissible...

On amply regular graphs with $b_{1} \leq 5$ .

Nirova, M.S. (2007)

Sibirskie Ehlektronnye Matematicheskie Izvestiya [electronic only]

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On automorphisms of strongly regular graphs with $λ = 2$ and $λ = 3$ . II.

Kazarina, V.I. (2006)

Sibirskie Ehlektronnye Matematicheskie Izvestiya [electronic only]

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Number of “ $u d u$ ”s of a Dyck path and $a d$ -nilpotent ideals of parabolic subalgebras of ${sl}_{ℓ + 1} (C)$ .

Righi, Céline (2007)

Séminaire Lotharingien de Combinatoire [electronic only]

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Thom polynomials and Schur functions: the singularities $I_{2, 2} (-)$

Piotr Pragacz (2007)

Annales de l’institut Fourier

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We give the Thom polynomials for the singularities $I_{2, 2}$ associated with maps $(ℂ^{•}, 0) \to (ℂ^{• + k}, 0)$ with parameter $k \geq 0$ . Our computations combine the characterization of Thom polynomials via the “method of restriction equations” of Rimanyi et al. with the techniques of Schur functions.

To the problem of a strong differentiability of integrals along different directions.

Lepsveridze, G. (1998)

Georgian Mathematical Journal

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Probabilistic valuation of certain unit-linked contracts.

J. Villarroel (2008)

Boletín de Estadística e Investigación Operativa. BEIO

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On nodal sets and nodal domains on $S^{2}$ and $ℝ^{2}$

Alexandre Eremenko, Dmitry Jakobson, Nikolai Nadirashvili (2007)

Annales de l’institut Fourier

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We discuss possible topological configurations of nodal sets, in particular the number of their components, for spherical harmonics on $S^{2}$ . We also construct a solution of the equation $Δ u = u$ in $ℝ^{2}$ that has only two nodal domains. This equation arises in the study of high energy eigenfunctions.