Free algebra over infinite alphabet

asked 2011-12-29 07:39:25 +0200

Matthieu Deneufchâtel gravatar image

updated 2015-01-14 10:28:29 +0200

FrédéricC gravatar image

Is it possible to work with a free algebra over an infinite alphabet ? Or to define an Infinite ring of non-commutative polynomials ? I need one of these structures to work with the quasi shuffle product.

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