## Mathematics Subject Classification – MSC2010

General reference works (handbooks, dictionaries, bibliographies, etc.) 23

Instructional exposition (textbooks, tutorial papers, etc.) 859

Research exposition (monographs, survey articles) 1545

Explicit machine computation and programs (not the theory of computation or programming) 755

Directed graphs (digraphs), tournaments 8837

Graphs and linear algebra (matrices, eigenvalues, etc.) 8989

Isomorphism problems (reconstruction conjecture, etc.) and homomorphisms (subgraph embedding, etc.) 2692

Graph representations (geometric and intersection representations, etc.) [For graph drawing, see also 68R10] 2130

Graph operations (line graphs, products, etc.) 1955

Graph labelling (graceful graphs, bandwidth, etc.) 4198

Transversal (matching) theory 259