The algebraic Matrix Coefficient Conjecture for matrices of logarithms

From papers

Let L\mathscr{L} be the Q\mathbf{Q}-vector space of logarithms of algebraic numbers, and let Lp\mathscr{L}_p be its pp-adic analogue. Consider an n×nn\times n matrix whose entries lie in the Q\overline{\mathbf{Q}}-vector space spanned by one of these spaces. Algebraic Matrix Coefficient Conjecture. If

det(M)=0,\det(M)=0,

then there exist nonzero vectors w,vQnw,v\in\overline{\mathbf{Q}}^n such that

w,Mv=0.\langle w,Mv\rangle=0.

This is the Q\overline{\mathbf{Q}}-version of the Matrix Coefficient Conjecture. The source notes that a suitably strong Waldschmidt–Masser result would imply it and poses as an open problem whether the rational version, or a suitable strengthening remaining over Q\mathbf{Q}, implies this algebraic version.

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Sources & referencesView supporting material

Primary source

Samit Dasgupta and Mahesh Kakde, “Ranks of Matrices of Logarithms of Algebraic Numbers II: The Matrix Coefficient Conjecture”, arXiv:2408.08178 (2024).

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