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16Y60 Semirings (52 articles)

• Jun, Jaiung; Mincheva, Kalina; Rowen, Louis: $\mathcal {T}$-semiring pairs. (English). Kybernetika, vol. 58 (2022), issue 5, pp. 733-759
• Kennedy-Cochran-Patrick, Arthur; Sergeev, Sergeĭ; Berežný, Štefan: A bound for the rank-one transient of inhomogeneous matrix products in special case. (English). Kybernetika, vol. 55 (2019), issue 1, pp. 12-23
• Ghalandarzadeh, Shaban; Nasehpour, Peyman; Razavi, Rafieh: Invertible ideals and Gaussian semirings. (English). Archivum Mathematicum, vol. 53 (2017), issue 3, pp. 179-192
• Talebi, Yahya; Darzi, Atefeh: On graph associated to co-ideals of commutative semirings. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 58 (2017), issue 3, pp. 293-305
• Kala, Vítězslav: Semifields and a theorem of Abhyankar. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 58 (2017), issue 3, pp. 267-273
• Atani, S. Ebrahimi; Hesari, S. Dolati Pish; Khoramdel, M.: A co-ideal based identity-summand graph of a commutative semiring. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 56 (2015), issue 3, pp. 269-285
• Chajda, Ivan; Länger, Helmut; Švrček, Filip: Multiplicatively idempotent semirings. (English). Mathematica Bohemica, vol. 140 (2015), issue 1, pp. 35-42
• Kepka, Tomáš; Němec, Petr: Quasitrivial semimodules. IV. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 54 (2013), issue 1, pp. 3-22
• Kepka, Tomáš; Němec, Petr: Quasitrivial semimodules. V. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 54 (2013), issue 1, pp. 23-35
• Kepka, Tomáš; Němec, Petr: Quasitrivial semimodules. VI. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 54 (2013), issue 1, pp. 45-61
• Kepka, Tomáš; Němec, Petr: Quasitrivial semimodules. VII. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 54 (2013), issue 1, pp. 63-78
• Kepka, Tomáš; Němec, Petr: Ideal-simple semirings. I. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 53 (2012), issue 2, pp. 5-16
• Kepka, Tomáš; Němec, Petr: Ideal-simple semirings. II. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 53 (2012), issue 2, pp. 17-29
• Kepka, Tomáš; Němec, Petr: Ideal-simple semirings. III. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 53 (2012), issue 2, pp. 31-46
• Chen, Yizhi; Zhao, Xianzhong: On linear operators strongly preserving invariants of Boolean matrices. (English). Czechoslovak Mathematical Journal, vol. 62 (2012), issue 1, pp. 169-186
• Ježek, Jaroslav; Kepka, Tomáš; Němec, Petr: Commutative semigroups that are simple over thein endomorphism semirings. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 52 (2011), issue 2, pp. 37-50
• Ježek, Jaroslav; Kepka, Tomáš; Němec, Petr: Commutative semigroups with almost transitive endomorphism semirings. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 52 (2011), issue 2, pp. 29-32
• Kala, Vítězslav; Kepka, Tomáš: Commutative parasemifields finitely generated as semirings. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 51 (2010), issue 1, pp. 49-56
• Ježek, Jaroslav; Kepka, Tomáš: Finitely generated commutative division semirings. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 51 (2010), issue 1, pp. 3-27
• Kala, Vítězslav; Kepka, Tomáš; Němec, Petr: Norms on semirings. I. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 51 (2010), issue 1, pp. 29-48
• Kala, Vítězslav; Kepka, Tomáš; Korbelář, Miroslav: Notes on commutative parasemifields. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 50 (2009), issue 4, pp. 521-533
• Al-Zoubi, Khaldoun; Kepka, Tomáš; Němec, Petr: Quasitrivial semimodules. III. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 50 (2009), issue 1, pp. 3-13
• Ježek, Jaroslav; Kepka, Tomáš: The semiring of 1-preserving endomorphisms of a semilattice. (English). Czechoslovak Mathematical Journal, vol. 59 (2009), issue 4, pp. 999-1003
• Kepka, Tomáš; Korbelář, Miroslav: Various examples of parasemifields. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 50 (2009), issue 1, pp. 61-72
• Kala, V.; Kepka, Tomáš; Phillips, J. D.: Various subsemirings of the field $\Bbb Q$ of rational numbers. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 50 (2009), issue 1, pp. 29-59
• Kala, Vítězslav; Kepka, Tomáš: A note on finitely generated ideal-simple commutative semirings. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 49 (2008), issue 1, pp. 1-9
• Al-Zoubi, Khaldoun; Kepka, Tomáš; Němec, Petr: Quasitrivial semimodules. I. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 49 (2008), issue 1, pp. 3-16
• Al-Zoubi, Khaldoun; Kepka, Tomáš; Němec, Petr: Quasitrivial semimodules. II. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 49 (2008), issue 1, pp. 17-24
• Drewniak, Józef; Pȩkala, Barbara: Properties of fuzzy relations powers. (English). Kybernetika, vol. 43 (2007), issue 2, pp. 133-142
• Zamojska-Dzienio, Anna: Medial modes and rectangular algebras. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 47 (2006), issue 1, pp. 21-34
• Flaška, Václav; Kepka, Tomáš; Šaroch, Jan: Bi-ideal-simple semirings. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 46 (2005), issue 3, pp. 391-397
• Bashir, Robert El; Kepka, Tomáš; Kechlibar, Marian: Commutative semigroups with few fully invariant congruences I. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 46 (2005), issue 1, pp. 49-64
• Bashir, Robert El; Kepka, Tomáš; Kechlibar, Marian: Commutative semigroups with few fully invariant congruences II. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 46 (2005), issue 1, pp. 65-75
• Polák, Libor: A classification of rational languages by semilattice-ordered monoids. (English). Archivum Mathematicum, vol. 40 (2004), issue 4, pp. 395-406
• Sen, M. K.; Maity, S. K.: A note on orthodox additive inverse semirings. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 43 (2004), issue 1, pp. 149-154
• Gaubert, Stéphane; Katz, Ricardo: Rational semimodules over the max-plus semiring and geometric approach to discrete event systems. (English). Kybernetika, vol. 40 (2004), issue 2, pp. [153]-180
• Sen, M. K.; Maity, S. K.: Semirings embedded in a completely regular semiring. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 43 (2004), issue 1, pp. 143-148
• Pastijn, F.; Zhao, Xianzhong: Green's $\mathcal{D}$-relation for the multiplicative reduct of an idempotent semiring. (English). Archivum Mathematicum, vol. 36 (2000), issue 2, pp. 77-93
• Bashir, Robert El; Ježek, Jaroslav; Kepka, Tomáš: Simple zeropotent paramedial groupoids are balanced. (English). Czechoslovak Mathematical Journal, vol. 50 (2000), issue 2, pp. 397-399
• Neggers, J.; Jun, Young Bae; Kim, Hee Sik: On $L$-fuzzy ideals in semirings. II. (English). Czechoslovak Mathematical Journal, vol. 49 (1999), issue 1, pp. 127-133
• Jun, Young Bae; Neggers, J.; Kim, Hee Sik: On $L$-fuzzy ideals in semirings. I. (English). Czechoslovak Mathematical Journal, vol. 48 (1998), issue 4, pp. 669-675
• Pondělíček, Bedřich: Inverse semirings and their lattice of congruences. (English). Czechoslovak Mathematical Journal, vol. 46 (1996), issue 3, pp. 513-522
• Pondělíček, Bedřich: Inverse semirings whose additive endomorphisms are multiplicative. (English). Mathematica Slovaca, vol. 46 (1996), issue 5, pp. 525-529
• Anderson, D. D.; Jayaram, C.: Principal element lattices. (English). Czechoslovak Mathematical Journal, vol. 46 (1996), issue 1, pp. 99-109
• Chajda, Ivan: Pseudosemirings induced by ortholattices. (English). Czechoslovak Mathematical Journal, vol. 46 (1996), issue 3, pp. 405-411
• Chajda, I.; Kotrle, M.: Boolean semirings. (English). Czechoslovak Mathematical Journal, vol. 44 (1994), issue 4, pp. 763-767
• Kepka, Tomáš: Semirings whose additive endomorphisms are multiplicative. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 34 (1993), issue 2, pp. 213-219
• Zeleznikow, J.: On regular ring-semigroups and semirings. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 25 (1984), issue 1, pp. 129-139
• Almeida Costa, A.; Ramalho, Margarita: $B^*$-ideals and $Q^*$-ideals in non-commutative semirings. (English). Mathematica Slovaca, vol. 28 (1978), issue 1, pp. 11-20
• Marková, Libuše: Ternary rings of Pappian planes. (English). Sborník prací Přírodovědecké fakulty University Palackého v Olomouci. Matematika, vol. 15 (1976), issue 1, pp. 23-27
• Židek, Stanislav: Pseudoringe. (German) [Pseudorings]. Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica-Physica-Chemica, vol. 12 (1972), issue 1, pp. 67-75
• Timm, Jürgen: Die Lösung eines Problems von Havel. (German) [Solution to a problem of Havel]. Archivum Mathematicum, vol. 5 (1969), issue 1, pp. 25-28