Structural rank conjecture for the p-adic logarithm matrix
Structural rank conjecture for the p-adic logarithm matrix
Fix an embedding , let be an abelian variety over of dimension , and let be a -basis of . For that are -linearly independent, define
where is obtained by composing the -adic logarithm of with the linear functional corresponding to . The structural rank conjecture for asserts that its rank over equals its structural rank, namely the rank obtained by replacing a -basis of the entries by algebraically independent variables. This conjecture predicts the maximal rank allowed by the rational linear relations among the entries of the logarithm matrix. The source gives no resolution or further evidence for this conjecture.
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Sources & referencesView supporting material
Primary source
Ashay Burungale, Christopher Skinner and Xin Wan, “A refined non-vanishing of the p-adic logarithm of a rational point on an abelian variety”, arXiv:2603.20886 (2026).
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