%0 Journal Article %T Donaldson-Thomas invariants and wall-crossing formulas %A Yuecheng Zhu %J Mathematics %D 2014 %I arXiv %X Notes from the report at the Fields institute in Toronto. We introduce the Donaldson-Thomas invariants and describe the wall-crossing formulas for numerical Donaldson-Thomas invariants. %U http://arxiv.org/abs/1408.2671v1