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» Combinatorics

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COMBINATORICS
1999

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A Criterion for Unimodality

14 years 9 months ago

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We show that if P(x) is a polynomial with nondecreasing, nonnegative coefficients, then the coefficient sequence of P(x + 1) is unimodal. Applications are given.

George Boros, Victor H. Moll

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COMBINATORICS
1999

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On the Structure and Classification of SOMAs: Generalizations of Mutually Orthogonal Latin Squares

14 years 9 months ago

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Let k 0 and n 2 be integers. A SOMA, or more specifically a SOMA(k, n), is an n

Leonard H. Soicher

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COMBINATORICS
1999

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Stability of Kronecker Products of Irreducible Characters of the Symmetric Group

14 years 9 months ago

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F. Murnaghan observed a long time ago that the computation of the decompositon of the Kronecker product (n-a,2,... ) (n-b,

Ernesto Vallejo

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COCOON
2009
Springer

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Approximation Algorithms for Key Management in Secure Multicast

15 years 4 months ago

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Agnes Hui Chan, Rajmohan Rajaraman, Zhifeng Sun, F...

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DMCCG
2001
Springer

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Pseudo-Permutations II: Geometry and Representation Theory

15 years 2 months ago

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