Prove Proposition 1 in the textbook page 59, about the Existence of a Partition of Unity on M, using your own words.

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.2: Mappings
Problem 22E
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5. Prove Proposition 1 in the textbook page 59, about the Existence of a Partition of Unity
on M, using your own words.
Transcribed Image Text:5. Prove Proposition 1 in the textbook page 59, about the Existence of a Partition of Unity on M, using your own words.
Proposition 1. (Existence of a differentiable partition of unity). Let M be
a compact manifold and let {Va} be a covering of M by coordinate neighbor-
hoods. Then there exist differentiable functions 1,...,m such that:
α) Σφι=1
i=1
b) 0 ≤ i ≤ 1, and the support of y; is contained in some Va, of the covering
{Va}.
m
Transcribed Image Text:Proposition 1. (Existence of a differentiable partition of unity). Let M be a compact manifold and let {Va} be a covering of M by coordinate neighbor- hoods. Then there exist differentiable functions 1,...,m such that: α) Σφι=1 i=1 b) 0 ≤ i ≤ 1, and the support of y; is contained in some Va, of the covering {Va}. m
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