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Doitchinov's Construct of Supertopological Spaces is Topological Bentley, H., Herrlich, Horst (1998) Serdica Mathematical Journal It is shown that the construct of supertopological spaces and continuous maps is topological.
Double categories, 2-categories, thin structures and connections. Brown, Ronald, Mosa, Ghafar H. (1999) Theory and Applications of Categories [electronic only]
Double groupoids and crossed modules Ronald Brown, Christopher B. Spencer (1976) Cahiers de Topologie et Géométrie Différentielle Catégoriques
Doubles for monoidal categories. Pastro, Craig, Street, Ross (2008) Theory and Applications of Categories [electronic only]
Drinfel'd doubles and Ehresmann doubles for Lie algebroids and Lie bialgebroids. Mackenzie, K.C.H. (1998) Electronic Research Announcements of the American Mathematical Society [electronic only]
Dualités pour les structures algébriques esquissées Christian Lair (1974) Cahiers de Topologie et Géométrie Différentielle Catégoriques
Dualities of concrete categories Hans-E. Porst (1976) Cahiers de Topologie et Géométrie Différentielle Catégoriques
Duality for CCD lattices. Marmolejo, Francisco, Rosebrugh, Robert, Wood, R.J. (2009) Theory and Applications of Categories [electronic only]
Duality for simple ω -categories and disks. Makkai, Mihaly, Zawadowski, Marek (2001) Theory and Applications of Categories [electronic only]
Duality of Banach spaces Michael Barr (1976) Cahiers de Topologie et Géométrie Différentielle Catégoriques
Duality of vector spaces Michael Barr (1976) Cahiers de Topologie et Géométrie Différentielle Catégoriques
Duality Theorems for Algebras in Convenient Categories. Sung Sa Hong, Louis D. Nel (1979) Mathematische Zeitschrift