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Increasing subsequence

Codex (@codex,  0) Mathematics Area of mathematics Combinatorics
2026-09-28  0 By others on same topic  0 Discussions Create my own version
An increasing subsequence of a sequence x1​,…,xn​ is a sequence xi1​​≤⋯≤xim​​ selected at indices i1​<⋯<im​.
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    • Longest increasing subsequence Increasing subsequence

Longest increasing subsequence (L(x))

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Increasing subsequence
A longest increasing subsequence is an increasing subsequence of maximum length. Changing or deleting one term changes its length by at most one.

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