Free algebra over infinite alphabet

asked 2011-12-29 00:39:25 -0500

Matthieu Deneufchâtel gravatar image

updated 2015-01-14 03:28:29 -0500

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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