Re: [math-fun] Pre-K Klein bottle puzzle

Isn’t a pre-K Klein bottle a Jlein bottle?

On Dec 20, 2018, at 11:51 PM, Bill Gosper <billgosper@gmail.com> wrote:

DanA: Consider the space Homeo(K) of self-homeomorphisms of the Klein bottle. I.e., Homeo(K) consists of all continuous bijections

h : K —> K

having a continuous inverse. __________ Umm, can somebody show me a continuous bijection with a *dis*continuous inverse? —rwg _______________________________________________ math-fun mailing list math-fun@mailman.xmission.com https://mailman.xmission.com/cgi-bin/mailman/listinfo/math-fun