• DML-CZ Home

16U70 Center, normalizer (invariant elements) (19 articles)

• Oukhtite, L.; Mamouni, A.; Ashraf, Mohammad: Commutativity theorems for rings with differential identities on Jordan ideals. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 54 (2013), issue 4, pp. 447-457
• Jedlička, P.: The rings which are Boolean. II. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 53 (2012), issue 1, pp. 73-75
• Huang, Shuliang: Derivations with Engel conditions in prime and semiprime rings. (English). Czechoslovak Mathematical Journal, vol. 61 (2011), issue 4, pp. 1135-1140
• Oukhtite, Lahcen: On Jordan ideals and derivations in rings with involution. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 51 (2010), issue 3, pp. 389-395
• Ashraf, Mohammad; Ali, Asma; Ali, Shakir: $(\sigma,\tau)$-derivations on prime near rings. (English). Archivum Mathematicum, vol. 40 (2004), issue 3, pp. 281-286
• Khan, Moharram A.: Commutativity of rings with constraints involving a subset. (English). Czechoslovak Mathematical Journal, vol. 53 (2003), issue 3, pp. 545-559
• Khan, Moharram A.: Commutativity of rings with polynomial constraints. (English). Czechoslovak Mathematical Journal, vol. 52 (2002), issue 2, pp. 401-413
• Ashraf, Mohammad; Nadeem-ur-Rehman: On $(\sigma,\tau)$-derivations in prime rings. (English). Archivum Mathematicum, vol. 38 (2002), issue 4, pp. 259-264
• Ashraf, Mohammad: Certain polynomial identities and commutativity of rings. (English). Mathematica Slovaca, vol. 50 (2000), issue 1, pp. 59-65
• Khan, Moharram A.: Commutativity of rings through a Streb’s result. (English). Czechoslovak Mathematical Journal, vol. 50 (2000), issue 4, pp. 791-801
• Morais, Roberto J. F. de: On some commutativity theorems for finite rings and finite groups. (English). Czechoslovak Mathematical Journal, vol. 50 (2000), issue 2, pp. 245-247
• Artemovych, O. D.: Differentially trivial left Noetherian rings. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 40 (1999), issue 2, pp. 201-208
• Vukman, Joso: Centralizers on prime and semiprime rings. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 38 (1997), issue 2, pp. 231-240
• Ashraf, Mohammad: Commutativity of associative rings through a Streb's classification. (English). Archivum Mathematicum, vol. 33 (1997), issue 3, pp. 315-321
• Ashraf, Mohammad: A commutativity theorem for associative rings. (English). Archivum Mathematicum, vol. 31 (1995), issue 3, pp. 201-204
• Abujabal, H. A. S.; Khan, M. A.; Khan, M. S.; Samman, M. S.: On commutativity of rings with constraints on subsets. (English). Czechoslovak Mathematical Journal, vol. 43 (1993), issue 3, pp. 439-449
• Kepka, Tomáš: Semirings whose additive endomorphisms are multiplicative. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 34 (1993), issue 2, pp. 213-219
• Zalar, Borut: On centralizers of semiprime rings. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 32 (1991), issue 4, pp. 609-614
• Vrbová, Pavla: A remark concerning commutativity modulo radical in Banach algebras. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 22 (1981), issue 1, pp. 145-148