algebra algebraic analyticfunctions approximationtheory arithmetic boundaryvalueproblems calculusofvariations complex congresses cryptography curves differentiabledynamicalsystems differentialequations differentialoperators ellipticdifferentialequations ellipticfunctions fermat'slasttheorem finiteelementmethod forms functionalanalysis geometry l-functions mathematics matrices modular modularcurves modulitheory multipleintegrals multiplication nonlinear nonlineardifferentialequations nonlinearfunctionalanalysis numbertheory numericalsolutions parabolic parabolicdifferentialequations partial qualitativetheory quasiconformalmappings randommatrices singularities(mathematics) sobolevspaces