Mac Kean-Singer 1967: tr(e^{-t Lap}) ~ sum a_k(x) t^{(k-d)/2} as t -> 0+; Seeley-DeWitt coefficients a_k local invariants; basis of Atiyah-Singer index proof + anomaly computation.
Mac Kean-Singer 1967: tr(e^{-t Lap}) ~ sum a_k(x) t^{(k-d)/2} as t -> 0+; Seeley-DeWitt coefficients a_k local invariants; basis of Atiyah-Singer index proof + anomaly computation.