The plethystic Hopf algebra of MacMahon symmetric functions
Universidad Simon Bolivar, Caracas, Venezuela
refreshments at 3:45pm
We give a combinatorial overview of the plethystic Hopf algebra
structure of the MacMahon relying on the construction of a plethystic Hopf
algebra from any alphabet of neutral letters obtained by G.-C. Rota and J.
Stein. A MacMahon symmetric function is a formal power series of bounded
degree, in a finite number of infinite alphabets, that is invariant under
the diagonal action of the symmetric group.
Speaker's Contact Info: mrosas(at-sign)usb.ve
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