Date: Mar 23, 2004 4:41 PM
Author: Dr. Eric Wingler
Subject: Re: Hex Win Proof?

"Alex Malkis" <alexloeschediesmalk@line.cs.uni-sb.de> wrote

in message news://c3q50e$19lq$1@news.wplus.net...

> I heard there is a proof of some fixpoint theorem

(Brouwer's fixpoint

> theorem, maybe?) with the help of the hex game.

>

> Does anyone know?

***********************************************

There is a book by Yu. A. Shashkin called "Fixed Points."

The proof that one player must always win at hex is an

exercise in this book, but I'm not sure that the author

expects the reader to use a fixed point theorem.

_________________________________________________________

Eric J. Wingler (wingler@math.ysu.edu)

Dept. of Mathematics and Statistics

Youngstown State University

One University Plaza

Youngstown, OH 44555-0001

330-941-1817