Brouwer fixed-point theorem: Difference between revisions

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Using <math> in a section header appears to lead to incorrect rendering in the table of contents
The range had the wrong bounds, the interval [-1, 1] becomes [0, 2] when adding 1
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Consider the function
:<math>f(x) = x+1</math>
with ___domain [-1,1]. The range of the function is [-2,0,2]. Thus, f is not an endomorphism.
 
===Boundedness===