Contents of Number 1
Volume 223 / 2026
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On flat even deformation rings Acta Arithmetica 223 (2026) , 1-21 MSC: Primary 11F80; Secondary 11R37 DOI: 10.4064/aa240827-10-12
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Sums of 1-, 2- and 3-dimensional Galois representations and modular symbols for $\mathrm{GL}_n(\mathbb{Q})$ Acta Arithmetica 223 (2026) , 23-50 MSC: Primary 11F67; Secondary 11F75, 11F80 DOI: 10.4064/aa250206-2-3
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Almost primes and primes that are sums of two squares plus 1 Acta Arithmetica 223 (2026) , 51-82 MSC: Primary 11N05; Secondary 11N35, 11N36 DOI: 10.4064/aa250227-19-11
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Involutions of curves in abelian surfaces and their Jacobians Acta Arithmetica 223 (2026) , 83-98 MSC: Primary 14H30; Secondary 14H40 DOI: 10.4064/aa250520-2-1