Adv. Math. Econ. Volume 5, pp.65-96 (2003)

Implicit functions and diffeomorphisms without C¹

Leonid Hurwicz and Marcel K. Richter

	Department of Economics, University of Minnesota, 271 19th Avenue South, Minneapolis, MN 55455, USA
	Department of Economics, University of Minnesota, 271 19th Avenue South, Minneapolis, MN 55455, USA

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We prove implicit and inverse function theorems for non-C¹ functions, and characterize non-C¹ diffeomorphisms.

Implicit function theorem, inverse function theorem, diffeomorphism, non-C¹ analysis