IJAC 2008 | Sciweavers

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IJAC
2008

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A Presentation of the Dual Symmetric Inverse Monoid

13 years 4 months ago

The dual symmetric inverse monoid I n is the inverse monoid of all isomorphisms between quotients of an n-set. We give a monoid presentation of I n and, along the way, establish c...

David Easdown, James East, D. G. Fitzgerald

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IJAC
2008

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Constructing the Group Preserving a System of Forms

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Peter A. Brooksbank, E. A. O'Brien

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IJAC
2008

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Random Generation of Finitely Generated Subgroups of a Free Group

13 years 4 months ago

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We give an efficient algorithm to randomly generate finitely generated subgroups of a given size, in a finite rank free group. Here, the size of a subgroup is the number of vertic...

Frédérique Bassino, Cyril Nicaud, Pa...

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IJAC
2008

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13 years 4 months ago

Determinants Related to Dirichlet Characters Modulo 2, 4 and 8 of binomial Coefficients and the Algebra of Recurrence Matrices

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: Using recurrence matrices, defined and described with some details, we study a few determinants related to evaluations of binomial coefficients on Dirichlet characters modulo 2, ...

Roland Bacher

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IJAC
2008

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Rational Subsets in HNN-Extensions and Amalgamated Products

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Markus Lohrey, Géraud Sénizergues

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IJAC
2008

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Poset Representations of Distributive Semilattices

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Friedrich Wehrung

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IJAC
2008

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Weakly P-Small not P-Small Subsets in Groups

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Taras O. Banakh, Nadia Lyaskovska

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IJAC
2008

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Polynomial Clones on Squarefree Groups

13 years 4 months ago

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Peter Mayr

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IJAC
2008

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The Braid rook Monoid

13 years 4 months ago

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species and combinatorial Hopf algebras on the one hand, and quantum groups and the classification theory of abstract Hopf algebras on the other. This is part of joint work with Sw...

Eddy Godelle

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IJAC
2008

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Combinatorial Rees-sushkevich Varieties are Finitely Based

13 years 4 months ago