Mathematics 308 Computer science 74 Statistics 71 Data mining 68 Mathematical analysis 60 Microbiology 56 Nanotechnology 56 Mathematical models 55 Calculus 53 Bioinformatics 52 Differential equations, Partial 51 Cytology 50 Engineering 50 Stochastic Processes 50 Nanostructured materials 49 Physics 48 Differential equations 46 Functional analysis 46 Algebra 44 Quantum theory 43 Data processing 42 Ecology 42 Inference 42 Mathematical statistics 41 Pharmacology and Toxicology 41 Number theory 40 Stochastic processes 39 Geometry 38 Mathematical optimization 38 Topology 37