We prove a sum-shuffle formula for double zeta values in Tate algebras. This follows from an analog result for double twisted power sums, implying that an F\_p-vector space generated by multiple zeta values in Tate algebras is an F\_p-algebra.
Catalogue of modular relations for double zeta values
On the duality and the derivation relations for multiple zeta values
Generators for Vector Spaces Spanned by Double Zeta Values with Even Weight
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