Book: Kombinatorikai Problémák és Feladatok

Disclaimer. The following are lecture notes for various courses and series of talks that I gave. They are not written with as much care as, say, a survey paper.

• Semidefinite optimization, 1995-2001. ps

• Topological methods in combinatorics, 1996. ps

• Complexity of algorithms, 1997-99. ps

• Discrete Mathematics (with Kati Vesztergombi), 1999. ps