A density theorem and extreme values of automorphic L-functions at one
We establish a density theorem for symmetric power L-functions attached to primitive Maass forms and explore some applications to extreme values of these L-functions at 1.
We establish a density theorem for symmetric power L-functions attached to primitive Maass forms and explore some applications to extreme values of these L-functions at 1.
Let be a local field of residue characteristic . Let be a curve over whose minimal proper regular model has totally degenerate semi-stable reduction. Under certain hypotheses, we compute the prime-to- rational torsion subgroup on the Jacobian of . We also determine divisibility of line bundles on , including rationality of theta characteristics and higher spin structures. These computations utilize arithmetic on the special fiber of .
We give a new formula for the relative class number of an imaginary abelian number field by means of determinant with elements being integers of a cyclotomic field generated by the values of an odd Dirichlet character associated to . We prove it by a specialization of determinant formula of Hasse.
We study the Ekedahl-Oort stratification on moduli spaces of PEL type. The strata are indexed by the classes in a Weyl group modulo a subgroup, and each class has a distinguished representative of minimal length. The main result of this paper is that the dimension of a stratum equals the length of the corresponding Weyl group element. We also discuss some explicit examples.
Let be an odd integer and be any given real number. We prove that if , , , , are nonzero real numbers, not all of the same sign, and is irrational, then for any real number with , the inequality has infinitely many solutions in prime variables , where for and for odd integer with . This improves a recent result in W. Ge, T. Wang (2018).