## Mathematics Subject Classification – MSC2010

General reference works (handbooks, dictionaries, bibliographies, etc.) 22

Instructional exposition (textbooks, tutorial papers, etc.) 853

Research exposition (monographs, survey articles) 1540

Explicit machine computation and programs (not the theory of computation or programming) 750

Directed graphs (digraphs), tournaments 8753

Graphs and linear algebra (matrices, eigenvalues, etc.) 8874

Isomorphism problems (reconstruction conjecture, etc.) and homomorphisms (subgraph embedding, etc.) 2651

Graph representations (geometric and intersection representations, etc.) [For graph drawing, see also 68R10] 2105

Graph operations (line graphs, products, etc.) 1899

Graph labelling (graceful graphs, bandwidth, etc.) 4162

Transversal (matching) theory 257