Rick Jardine, Stable homotopy theory of simplicial presheaves, Canad. J. Math. 39(1987), 733-747 ([pdf] (http://cms.math.ca/cjm/v39/cjm1987v39.0733-0747.pdf))

Plenty of further discussion is in

Rick Jardine, Generalized Étale cohomology theories, 1997 Progress in mathematics volume 146

Application to K-theory

Bertrand Toën, section 1.2 of K-theory and cohomology of algebraic stacks: Riemann-Roch theorems, D-modules and GAGA theorems (arXiv:math/9908097)

Michael Paluch, Algebraic K-theory and topological spaces (pdf)

Revised on February 27, 2014 12:46:09
by Urs Schreiber
(89.204.137.80)