Math Problem Statement

Let m and n be positive integers. Exhibit an arrangement of the integersbetween 1 and mn which has no increasing subsequence of length m + 1,and no decreasing subsequence of length n + 1.

Solution

This is a classic problem related to Erdős-Szekeres theory on the existence of increasing and decreasing subsequences within sequences of integers. The goal is to construct a permutation of the integers from (

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Math Problem Analysis

Mathematical Concepts

Combinatorics
Erdős-Szekeres Theorem
Permutation Theory

Formulas

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Theorems

Erdős-Szekeres Theorem

Suitable Grade Level

Undergraduate level, Advanced High School