Problem 1. For each of the following abstract simplicial complexes, sketch the geometric realization (up to homoeomorphism) and compute the Euler charac- teristic: a. {[a], [b], [c], [a, b]}, b. {[a], [b], [a, b]}, c. {[a], [b], [c], [d], [a, b], [c, d]}, d. {[a], [b], [c], [d], [a, b], [b, c], [a, c], [c, d]}, e. {[a], [b], [c], [a, b], [b, c], [a, c], [a, b, c]}. Which pairs of these simplicial complexes have homotopy equivalent geometric realizations? Which pairs have equal Euler characteristics?
Problem 1. For each of the following abstract simplicial complexes, sketch the geometric realization (up to homoeomorphism) and compute the Euler charac- teristic: a. {[a], [b], [c], [a, b]}, b. {[a], [b], [a, b]}, c. {[a], [b], [c], [d], [a, b], [c, d]}, d. {[a], [b], [c], [d], [a, b], [b, c], [a, c], [c, d]}, e. {[a], [b], [c], [a, b], [b, c], [a, c], [a, b, c]}. Which pairs of these simplicial complexes have homotopy equivalent geometric realizations? Which pairs have equal Euler characteristics?
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter8: Polynomials
Section8.4: Zeros Of A Polynomial
Problem 24E
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![Problem 1. For each of the following abstract simplicial complexes, sketch the
geometric realization (up to homoeomorphism) and compute the Euler charac-
teristic:
a. {[a], [b], [c], [a, b]},
b. {[a], [b], [a, b]},
c. {[a], [b], [c], [d], [a, b], [c, d]},
d. {[a], [b], [c], [d], [a, b], [b, c], [a, c], [c, d]},
e. {[a], [b], [c], [a, b], [b, c], [a, c], [a, b, c]}.
Which pairs of these simplicial complexes have homotopy equivalent geometric
realizations? Which pairs have equal Euler characteristics?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5e25041d-7573-46df-b9d3-ec2dd7694c16%2F5beecdc7-7fa9-4e56-bbe3-667bfdb590e4%2Faxt91ph_processed.png&w=3840&q=75)
Transcribed Image Text:Problem 1. For each of the following abstract simplicial complexes, sketch the
geometric realization (up to homoeomorphism) and compute the Euler charac-
teristic:
a. {[a], [b], [c], [a, b]},
b. {[a], [b], [a, b]},
c. {[a], [b], [c], [d], [a, b], [c, d]},
d. {[a], [b], [c], [d], [a, b], [b, c], [a, c], [c, d]},
e. {[a], [b], [c], [a, b], [b, c], [a, c], [a, b, c]}.
Which pairs of these simplicial complexes have homotopy equivalent geometric
realizations? Which pairs have equal Euler characteristics?
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