Steenrod squares on Intersection cohomology and a conjecture of M. Goresky and W. Pardon

David Chataur, Martintxo Saralegi-Aranguren, Daniel Tanré

We prove a conjecture raised by M. Goresky and W. Pardon, concerning the range of validity of the perverse degree of Steenrod squares in intersection cohomology. This answer turns…