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math.RA2017
A Koszul sign map
Roland Berger
We define a Koszul sign map encoding the Koszul sign convention. A cohomological interpretation is given.
math.RA2015
Koszul Calculus
Roland Berger, Thierry Lambre, Andrea Solotar
We present a new calculus which is well-adapted to quadratic algebras. This calculus consists in Koszul (co)homology, together with Koszul cup and cap products. Some applications a…