Spencer Janney Bloch

R.M. Hutchins Distinguished Service Professor of Mathematics. Contributed to the following areas of Algebraic Geometry: Higher K-theory description of Chow groups; Formal curves in K-theory and de Rham-Witt forms; the Bloch-Wigner dilogarithm and K_2-regulators; class field theory for arithmetic surfaces; the higher Chow theory; height pairing for algebraic cycles; p-adic Hodge theory for ordinary varieties; the Tamagawa number conjecture of Bloch-Kato; Algebraic Chern-Simons theory and Gauss-Manin determinants; Motivic Feynman amplitudes.