Integral transforms Mathematics 12 Theory of distributions (Functional analysis) 6 Engineering mathematics 5 Mathematical physics 5 Functional analysis 4 Functions, Special 4 Transformations (Mathematics) 4 Differential equations 3 Functions of complex variables 3 Global analysis (Mathematics) 3 Heat equation 3 Numerical solutions 3 Computer science 2 Differential equations, Partial 2 Engineering 2 Fourier analysis 2 Fourier transformations 2 Global differential geometry 2 Harmonic analysis 2 Laplace transformation 2 Operator theory 2 Applied mathematics 1 Approximation theory 1 Biomedical engineering 1 Computer simulation 1 Computer vision 1 Differential inequalities 1 Fourier series 1 Fractional calculus 1