Braverman, AlexanderGaitsgory, Dennis2015-03-032008Braverman, Alexander, and Dennis Gaitsgory. 2008. “Deformations of Local Systems and Eisenstein Series.” Geometric and Functional Analysis 17 (6) (February 20): 1788–1850. doi:10.1007/s00039-007-0645-4.1016-443X1420-8970http://nrs.harvard.edu/urn-3:HUL.InstRepos:14068725en-USEisenstein seriesgeometric Langlands correspondenceIC sheavesKoszul dualityJournal Article2015-03-0310.1007/s00039-007-0645-4