Source-pinned research

Research proof index

Search theorem names, mathematical ideas, modules, topics, projects, and role-labelled researchers. Open a result for its complete indexed Lean declaration and source record.

This index contains 2 research declarations. Search 10,000 more complete Mathlib declarations.

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Project-declaredLean 4.31.0

Folding polynomial eq sum split Nth

Polynomial.folding_polynomial_eq_sum_splitNth

Plain-language statement

foldingPolynomial in terms of splitNth when q = X ^ n.

cryptographyproof systemscoding theory

Source project: ArkLib

Person-level attribution pending.

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Project-declaredLean 4.31.0

Split Nth of sum comp

Polynomial.splitNth_of_sum_comp

Plain-language statement

splitNth is the left inverse of the n-way recombination: splitting the polynomial ∑ j, X^j * (u j)(X^n) recovers u i for each component i.

cryptographyproof systemscoding theory

Source project: ArkLib

Person-level attribution pending.

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