Iqbal, AmerVafa, CumrunNekrasov, NikitaOkounkov, Andrei2019-09-222008Iqbal, Amer, Cumrun Vafa, Nikita Nekrasov, and Andrei Okounkov. 2008. “Quantum Foam and Topological Strings.” Journal of High Energy Physics 2008 (4): 011–011. https://doi.org/10.1088/1126-6708/2008/04/011.1029-84791126-6708http://nrs.harvard.edu/urn-3:HUL.InstRepos:41385024en-USQuantum foam and topological stringsJournal Article2019-09-2210.1088/1126-6708/2008/04/011