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math.AG2020
Picard modular forms and the cohomology of local systems on a Picard modular surface
Jonas Bergström, Gerard van der Geer
We formulate a detailed conjectural Eichler-Shimura type formula for the cohomology of local systems on a Picard modular surface associated to the group of unitary similitudes $\ma…
math.NT2020
A search for c-Wieferich primes
Alex Samuel Bamunoba, Jonas Bergström
Let be a power of a prime number , be a finite field with elements and be a subgroup of of order . We give an existence…