Degree conditions for 2-factors. Graphs with given odd sets. A result on C 4 -star Ramsey numbers. A partition approach to Vizing's conjecture. Essential independent sets and Hamiltonian cycles.
Degree sequences with single repetitions.
Vertex disjoint cycles for star-free graphs. Graphs with a cycle of length divisible by three. Hamiltonian graphs with neighborhood intersections. Ramsey problems with bounded degree spread. Cycles of length 2 mod k .