Differential equations, Partial 5 Differential equations 3 Finance 3 Functional analysis 3 Mathematical analysis 3 Mathematical models 3 Algebra 2 Approximation theory 2 Asymptotic expansions 2 Asymptotic theory 2 Integral equations 2 Lie groups 2 Mathematical physics 2 Mathematics 2 Operator algebras 2 Singularities (Mathematics) 2 Algebra, Homological 1 Algebraic fields 1 Algebras, Linear 1 Arithmetical algebraic geometry 1 Automorphic forms 1 Automorphic functions 1 Boundary value problems 1 Categories (Mathematics) 1 Class field theory 1 Cohomology operations 1 Combinatorial topology 1 Computational complexity 1 Configurations 1 Curves, Algebraic 1