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math.AT2013
The poset of posets
Serge Bouc
Let X be a finite set. This paper describes some topological and combinatorial properties of the poset Ω_X of order relations on X. In particular, the homotopy type of all the inte…
math.RT2013
The algebra of essential relations on a finite set
Serge Bouc, Jacques Thévenaz
Let X be a finite set and let k be a commutative ring. We consider the k-algebra of the monoid of all relations on X, modulo the ideal generated by the relations factorizing throug…
math.GR2013
Fused Mackey functors
Serge Bouc
Let be a finite group. In [HTW], Hambleton, Taylor and Williams have considered the question of comparing Mackey functors for and biset functors defined on subgroups of …