Mathematical analysis 3 Calculus 2 Functional Analysis 2 Functional analysis 2 Real functions -- Instructional exposition (textbooks, tutorial papers, etc.) 2 Topology 2 Abstract harmonic analysis -- Instructional exposition (textbooks, tutorial papers, etc.) 1 Algebra 1 Capital market 1 Differentiable dynamical systems 1 Functional analysis -- Instructional exposition (textbooks, tutorial papers, etc.) 1 Functions of Real Variables 1 Functions of real variables 1 Harmonic analysis on Euclidean spaces -- Instructional exposition (textbooks, tutorial papers, etc.) 1 Hedging (Finance) 1 Linear and multilinear algebra; matrix theory -- Instructional exposition (textbooks, tutorial papers, etc.) 1 Mathematical logic and foundations -- Set theory -- Set theory 1 Mathematical models 1 Measure and integration -- Instructional exposition (textbooks, tutorial papers, etc.) 1 Non linear theories 1 Numerical analysis 1 Probabilities 1 Real functions -- Functions of one variable -- Functions of one variable 1 Real functions -- Functions of several variables -- Functions of several variables 1 Real functions -- Inequalities -- Inequalities 1 Topological groups, Lie groups -- Locally compact abelian groups (LCA groups) -- General properties and structure of LCA groups 1