Algebra 123 Linear and Multilinear Algebras, Matrix Theory 123 Matrix theory Applied mathematics 19 Engineering mathematics 19 Numerical analysis 15 Physics 14 more ... Mathematical Methods in Physics 13 Numerical Analysis 13 Operator Theory 12 Operator theory 12 Applications of Mathematics 11 Computer mathematics 11 Number Theory 11 Number theory 11 Differential equations 10 Mathematical and Computational Engineering 10 Ordinary Differential Equations 10 System theory 10 Systems Theory, Control 10 Rings (Algebra) 9 Analysis 8 Analysis (Mathematics) 8 Associative Rings and Algebras 8 Associative rings 8 Mathematical analysis 8 Partial Differential Equations 8 Partial differential equations 8 Statistical Theory and Methods 8 Statistics  8 less ...