## Mathematics Subject Classification – MSC2010

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

Instructional exposition (textbooks, tutorial papers, etc.) 851

Research exposition (monographs, survey articles) 1537

Explicit machine computation and programs (not the theory of computation or programming) 747

Directed graphs (digraphs), tournaments 8732

Graphs and linear algebra (matrices, eigenvalues, etc.) 8847

Isomorphism problems (reconstruction conjecture, etc.) and homomorphisms (subgraph embedding, etc.) 2642

Graph representations (geometric and intersection representations, etc.) [For graph drawing, see also 68R10] 2100

Graph operations (line graphs, products, etc.) 1885

Graph labelling (graceful graphs, bandwidth, etc.) 4144

Transversal (matching) theory 251