and for the analogue over function fields over finite fields by Lurie and Gaitsgory in 2011. See also Adelic algebraic group Weil's conjecture on Tamagawa numbers References . Further reading Aravind Asok, Brent Doran and Frances Kirwan, "Yang-Mills theory and Tamagawa Numbers: the fascination of unexpected links in mathematics", February 22, 2013 J. Lurie, The Siegel Mass Formula, Tamagawa Numbers, and Nonabelian Poincaré Duality posted June 8, 2012. Algebraic groups Algebraic number theory