Ebook: Problems in Combinatorics and Graph Theory

Part 1: Statement of problems -- Combinatorial identities -- The principle of inclusion and exclusion: inversion formulas -- Stirling, Bell, Fibonacci, and Catalan numbers -- Problems in combinatorial set theory -- Partitions of integers -- Trees -- Parity -- Connectedness -- Extremal problems for graphs and networks -- Coloring problems -- Hamiltonian problems -- Permutations -- The number of classes of configurations relative to a group of permutations -- Problems of Ramsey type -- Part 2: Solutions