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prof. Jan Krempa — publications

Number of items in the database: 70

2014

·Małgorzata Hryniewicka and Jan Krempa, On rings with finite number of orbits. Publicacions Matematiques 58(1), pp. 233-249, 2014.

·Jan Krempa and Agnieszka Stocka, On some sets of generators of finite groups. Journal of Algebra 405, pp. 122-134, 2014.

2013

·Jan Krempa and A.Stocka, On some invariants of finite groups. International Journal of Group Theory 2(1), pp. 109-115, 2013.

2012

·Jan Krempa, On identities in algebra. 14-th International Workshop for Young Mathematicians "Algebra", Kraków 10-16 czerwca 2011, pp. 47-53, Jgiellonian University, 2012.

·Jan Krempa and Izabela Agata Malinowska, On lattices of radicals in the class of all finite groups. Bull. Australian Math. Soc. 86(3), pp. 495-505, 2012.

·Jan Krempa and Jan Okniński, Some examples of affine monoid algebras. Commun. in Algebra 40, pp. 98-103, Tayloe & Francis, 2012.

2011

·Izabela A.Malinowska and Jan Krempa, On Kurosh-Amitsur radicals of finite groups. Analele Stiintifice ale Universitatii Ovidius Constanta 19(1), pp. 175-190, 2011.

2007

·B.J. Gardner, Jan Krempa and R. Wiegandt, Open problems in Radical theory (ICOR-2006). Algebra and Discrete Mathematics 3, pp. 15-17, 2007.

2005

·Jan Krempa, On finiteness conditions for subalgebras with zero multiplication. Colloq. Math. 102(1), pp. 123-135, 2005.

·Jan Krempa, On nil-algebras and an invariant of fields. Tatra Mt. Math. Publ. 32, pp. 63-70, 2005.

·C. Archer, P. Cara and Jan Krempa, Using the Frattini subgroup and independent generating sets to study RWPri geometries. Beiträge zur Algebra und Geometrie 46, pp. 169-177, 2005.

2004

·Jan Krempa, On lattices, modules and groups with many uniform elements. Algebra and Discrete Mathematics 1, pp. 75-86, 2004.

2003

·C. Bagiński and Jan Krempa, On a characterization of infinite cyclic groups. Publicationes Math. (Debrecen) 63(1-2), pp. 249-254, 2003.

·Jan Krempa, On free subgroups of units in quaternion algebras, II. Colloq. Math. 97(1), pp. 29-32, 2003.

2002

·Jan Krempa and I. Malinowska, Groups of p-automorphisms for finite p-groups. Publicationes Math. (Debrecen) 61(3-4), pp. 495-509, 2002.

·Jan Krempa, On uniformity in lattices of subgroups. Adv. in Group Theory, pp. 71-84, 2002.

2001

·Jan Krempa, On free subgroups of units in quaternion algebras. Colloq. Math. 88(1), pp. 21-27, 2001.

·Jan Krempa and A. Sakowicz, On uniform dimensions of finite groups. Colloq. Math. 89(2), pp. 223-231, 2001.

1999

·Jan Krempa, Rings with periodic groups of units. II. Groups (St. Andrews, 1997), London Math. Soc. Lecture Note Ser. 261, pp. 503-511, Cambridge Univ. Press, 1999.

1998

·Jan Krempa, On reduced rings and number theory. Number theory (Cieszyn, 1998), Ann. Math. Sil. 12, pp. 23-29, 1998.

1997

·Jan Krempa and Edmund Puczyłowski, Adam Suliński (1928-1997). Wiadom. Mat. 33, pp. 209-212, 1997.

·Jan Krempa, On a conjecture of B. Hartley and some related problems. Math. Stud. 8(2), pp. 171-175, 1997.

·Jan Krempa, Some examples of indecomposable modules. In: Nearrings, nearfields and K-loops, pp. 295-299, Kluwer Acad. Publ., 1997.

1996

·Jan Krempa, On global solutions of translation equation. Demonstratio Math. 29(3), pp. 673-676, 1996.

·Jan Krempa, Rings with Noetherian groups of units. Infinite groups (Ravello, 1994), pp. 129-139, Walter de Gruyter, 1996.

·Jan Krempa, Some examples of reduced rings. Algebra Colloq. 3(4), pp. 289-300, 1996.

1995

·Jan Krempa, On finite generation of unit groups for group rings. Groups (Galway/St. Andrews, 1993), London Math. Soc. Lecture Note Ser. 212, pp. 352-367, Cambridge Univ. Press, 1995.

·Jan Krempa and Barbara Terlikowska-Osłowska, On uniform dimension of lattices. Contributions to General Algebra 9, pp. 219-230, 1995.

·Jan Krempa, Rings with periodic unit groups. Abelian groups and modules (Padova, 1994), Math. Appl. 343, pp. 313-321, Kluwer Acad. Publ., 1995.

1992

·Jan Krempa and Dorota Niewieczerzał, On homogeneous mappings of modules. Contributions to General Algebra 8, pp. 123-135, 1992.

·Jan Krempa and O. Macedońska, On identities of cancellative semigroups. Proc. Int. Conference on Algebra, Part 3 (Novosibirsk, 1989), Contemp. Math. 131, pp. 125-133, 1992.

1990

·Stanisław Balcerzyk, Tadeusz Józefiak, Daniel Simson, Wolfgang Vogel and Jan Krempa (eds), Topics in algebra. Part 2, Commutative rings and algebraic groups. Papers from the Third and Fourth Sessions of the Thirty-first Semester held at the Stefan Banach Int. Mathematical Center, Warsaw, April and May-June, 1988. Banach Center Publ. 26, 1990.

·Jan Krempa and Zbigniew Marciniak, Group rings. Wiadom. Mat. 28(2), pp. 137-148, 1990.

·Stanisław Balcerzyk, Tadeusz Józefiak, Daniel Simson, Wolfgang Vogel and Jan Krempa (eds), Topics in algebra. Part 1, Rings and representations of algebras. Papers from the First and Second Sessions of the Thirty-first Semester held at the Stefan Banach Int. Mathematical Center, Warsaw, February-March and April-May, 1988. Banach Center Publ. 26, 1990.

1988

·S. Jřndrup, Jan Krempa and Dorota Niewieczerzał, A note on indecomposable modules. Rend. Circ. Mat. Palermo 37(1), pp. 100-108, 1988.

·Jan Krempa, Unit groups and commutative ring extensions. Commun. in Algebra 16(11), pp. 2349-2361, 1988.

1987

·Jan Krempa, Coefficient rings of multidimensional torus extensions. J. Algebra 105(1), pp. 60-75, 1987.

·Jan Krempa and Jan Okniński, Gel'fand-Kirillov dimensions of a tensor product. Math. Zeitschrift 194(4), pp. 487-494, 1987.

1986

·K. Kishimoto, Jan Krempa and A. Nowicki, On rings whose number of centralizers of ideals is finite. Rend. Circ. Mat. Palermo 3, pp. 349-363, 1986.

1985

·Jan Krempa and Jan Okniński, Group rings which are Jacobson rings. Archiv der Mathematik 44(1), pp. 20-25, 1985.

·Jan Krempa, Radicals and derivations of algebras. Radical theory (Eger, 1982), Colloq. Math. Soc. János Bolyai 38, pp. 195-227, 1985.

·E. Jespers, Jan Krempa and P. Wauters, The Brown-McCoy radical of semigroup rings of commutative cancellative semigroups. Glasgow Math. J. 26(2), pp. 107-113, 1985.

1984

·Jan Krempa, A. Pettorossi and Andrzej Skowron, F-computable numbers. Methods in ring theory (Antwerp, 1983), NATO Adv. Sci. Inst. Ser. C: Math. Phys. Sci. 129, pp. 211-229, Reidel, Dordrecht-Boston, Mass., 1984.

·Jan Krempa and Jerzy Matczuk, On algebraic derivations of prime rings. Methods in ring theory (Antwerp, 1983), NATO Adv. Sci. Inst. Ser. C: Math. Phys. Sci. 129, pp. 211-229, Kluwer Acad. Publ., 1984.

·Jan Krempa and Jerzy Matczuk, On the composition of derivations. Rend. Circ. Mat. Palermo 33(3), pp. 441-455, 1984.

1983

·J. Fisher and Jan Krempa, "RGis nil implies R is nil" is equivalent to the "Koethe conjecture". Houston J. Math. 9(2), pp. 177-180, 1983.

1982

·Jan Krempa, Homomorphisms of group rings. Universal algebra and applications (Warsaw, 1978), Banach Center Publ. 9, pp. 233-255, 1982.

·Jan Krempa, Isomorphic group rings of free abelian groups. Canad. J. Math. 34(1), pp. 8-16, 1982.

·E. Jespers, Jan Krempa and Edmund Puczyłowski, On radicals of graded rings. Commun. in Algebra 10(17), pp. 1849-1854, 1982.

1981

·Jan Krempa, Isomorphic group rings with nonisomorphic commutative coefficients. Proc. AMS 83(3), pp. 459-460, 1981.

·Jan Krempa, Simple subrings of algebras over fields. Proc. AMS 81(4), pp. 511-512, 1981.

1980

·Jan Krempa, On invariant subspaces of locally finite derivations. Bull. London Math. Soc. 12(5), pp. 374-376, 1980.

·Jan Krempa and Jan Okniński, Semilocal, semiperfect and perfect tensor products. Bull. Acad. Polon. Sci. Math. 28(5-6-6), pp. 249-256, 1980.

·Jan Krempa, Special elements in semigroup rings. Bull. Acad. Polon. Sci. Math. 28(1-2), pp. 17-23, 1980.

1979

·Jan Krempa, On Passman's problem concerning nilpotent free algebras. Bull. Acad. Polon. Sci. Math. 27(9), pp. 645-648, 1979.

·Jan Krempa, On semisimplicity of tensor products. Ring theory (Antwerp, 1978), NATO Adv. Sci. Inst. Ser. C: Math. Phys. Sci. 51, pp. 105-122, 1979.

1978

·Jan Krempa and A. Sierpińska, The Jacobson radical of certain group and semigroup rings. Bull. Acad. Polon. Sci. Math. 26(12), pp. 963-967, 1978.

1977

·Jan Krempa and B. Mażbic-Kulma, Elementy logiki teorii mnogości i algebry. WNT, 1977.

·Jan Krempa, On semi-group rings. Bull. Acad. Polon. Sci. Math. 25(3), pp. 225-231, 1977.

·Jan Krempa and Dorota Niewieczerzał, Rings in which annihilators are ideals and their application to semi-group rings. Bull. Acad. Polon. Sci. Math. 25(9), pp. 851-856, 1977.

1975

·Jan Krempa, Lower radical properties for alternative rings. Bull. Acad. Polon. Sci. Math. 23(2), pp. 139-142, 1975.

·A. Bulaszewska and Jan Krempa, On epimorphisms in the category of all associative rings. Bull. Acad. Polon. Sci. Math. 23(11), pp. 1153-1159, 1975.

1974

·Jan Krempa, On the Jacobson radical of polynomial rings. Bull. Acad. Polon. Sci. Math. 22, pp. 887-890, 1974.

·Jan Krempa and E. Stankiewicz, Radicals of metaideals. Bull. Acad. Polon. Sci. Math. 22, pp. 359-365, 1974.

·Jan Krempa, Radicals of semi-group rings. Fund. Math. 85(1), pp. 57-71, 1974.

·Jan Krempa and Barbara Terlikowska-Osłowska, Theory of radicals in self-dual categories. Bull. Acad. Polon. Sci. Math. 22, pp. 367-373, 1974.

1972

·Jan Krempa, Logical connections between some open problems concerning nil rings. Fund. Math. 76(2), pp. 121-130, 1972.

·Jan Krempa, On radical properties of polynomial rings. Bull. Acad. Polon. Sci. Math. 20, pp. 545-548, 1972.

·M. Jaegermann and Jan Krempa, Rings in which ideals are annihilators. Fund. Math. 76(2), pp. 95-107, 1972.

1971

·N. Divinsky, Jan Krempa and A. Suliński, Strong radical properties of alternative and associative rings. J. Algebra 17, pp. 369-388, 1971.