3. X = {m € N|1 ≤ m ≤ 20}. Y is the set of all nonempty subsets of X. An action of S20 on Y is given by o.U = {o(m) € X/m € U} for any σ € S20 and any U € Y. Determine the number of orbits and the number of fixed points for this action.
3. X = {m € N|1 ≤ m ≤ 20}. Y is the set of all nonempty subsets of X. An action of S20 on Y is given by o.U = {o(m) € X/m € U} for any σ € S20 and any U € Y. Determine the number of orbits and the number of fixed points for this action.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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