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math.AG2023
Cohomology of complete intersections of quadrics
Jan Nagel
We show that the variable cohomology of a general complete intersection of quadrics can be identified with the intersection cohomology of a double covering. As a consequence, we sh…
math.PR2023
On some gateways between sum rules
Fabrice Gamboa, Jan Nagel, Alain Rouault
We present correspondences induced by some classical mappings between measures on an interval and measures on the unit circle. More precisely, we link their sequences of orthogonal…