## Mathematics Subject Classification – MSC2010

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

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

Research exposition (monographs, survey articles) 1543

Explicit machine computation and programs (not the theory of computation or programming) 751

Directed graphs (digraphs), tournaments 8786

Graphs and linear algebra (matrices, eigenvalues, etc.) 8933

Isomorphism problems (reconstruction conjecture, etc.) and homomorphisms (subgraph embedding, etc.) 2671

Graph representations (geometric and intersection representations, etc.) [For graph drawing, see also 68R10] 2121

Graph operations (line graphs, products, etc.) 1922

Graph labelling (graceful graphs, bandwidth, etc.) 4176

Transversal (matching) theory 259