Special Functions Special functions 65 Functional Analysis 13 Functional analysis 13 Number Theory 13 Number theory 13 Functions of complex variables 12 espandi ... Analysis 11 Analysis (Mathematics) 11 Approximation theory 11 Approximations and Expansions 11 Functions of a Complex Variable 11 Mathematical analysis 11 Physics 11 Applied mathematics 10 Engineering mathematics 10 Fourier Analysis 10 Fourier analysis 10 Mathematical Methods in Physics 10 Combinatorics 9 Mathematical and Computational Engineering 9 Mathematical physics 8 Partial Differential Equations 8 Partial differential equations 8 Algebra 7 Differential equations 7 Ordinary Differential Equations 7 Algebraic Geometry 6 Algebraic geometry 6 Difference and Functional Equations 5 riduci ...