Gaiotto, DavideStrominger, AndrewYin, Xi2019-09-272006Gaiotto, Davide, Andrew Strominger, and Xi Yin. 2006. “New Connections between 4D and 5D Black Holes.” Journal of High Energy Physics 2006 (2): 024–024. https://doi.org/10.1088/1126-6708/2006/02/024.1029-84791126-6708http://nrs.harvard.edu/urn-3:HUL.InstRepos:41417359A simple equality is proposed between the BPS partition function of a general 4D IIA Calabi-Yau black hole and that of a 5D spinning M-theory Calabi-Yau black hole. Combining with recent results then leads to a new relation between the 5D spinning BPS black hole partition function and the square of the N = 2 topological string partition function.en-USJournal Article2019-09-2710.1088/1126-6708/2006/02/024