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AgeCommit message (Collapse)Author
2026-03-27Build dagger 2-poset Mat(R) for idem. comm. rig RJacques Comeaux
2026-03-27Add commutative rig matrix semiadditive structureJacques Comeaux
2026-03-27Add dagger structure for commutative rig matricesJacques Comeaux
2026-03-26Add cocartesian structure to category of matricesJacques Comeaux
2026-03-19Add category of matrices over an arbitary rigJacques Comeaux