Zobrazeno 1 - 10
of 171
pro vyhledávání: '"Ulrich Albrecht"'
Publikováno v:
Indian Journal of Pure and Applied Mathematics. 52:369-374
The aim of this paper is to study the Hopfian property in the context of chain and duo rings. For such rings, we characterize Hopfian free modules and show that a direct sum of cyclic R-modules is Hopfian if and only if the sum is finite. This allows
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9b30faaeaf0d336384a8020b661e5ddf
https://doi.org/10.1007/s13226-021-00144-2
https://doi.org/10.1007/s13226-021-00144-2
Publikováno v:
Rendiconti del Seminario Matematico della Università di Padova. 144:1-11
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::63b5dc5adb8e95add7b902b37d62d53e
https://doi.org/10.4171/rsmup/52
https://doi.org/10.4171/rsmup/52
Autor:
Bradley McQuaig, Ulrich Albrecht
Publikováno v:
Rendiconti del Seminario Matematico della Università di Padova. 143:81-103
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::66a10f539d7411f002c805da6f59aa66
https://doi.org/10.4171/rsmup/40
https://doi.org/10.4171/rsmup/40
Publikováno v:
Communications in Algebra. 48:564-572
This paper compares of the rank of a torsion-free Abelian group G of finite rank and the rank of its endomorphism ring E(G) under the condition that E(G) is commutative. In particular, if G...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f50bee77d7a9c1e79c0e504f783ffcd
https://doi.org/10.1080/00927872.2019.1649416
https://doi.org/10.1080/00927872.2019.1649416
Autor:
Ulrich Albrecht, Stefan Friedenberg
Publikováno v:
International Journal of Algebra. 13:137-141
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::183542104e822cde675554a14cc76804
https://doi.org/10.12988/ija.2019.9210
https://doi.org/10.12988/ija.2019.9210
Autor:
Ulrich Albrecht
Publikováno v:
Problems of Contemporary Militarism ISBN: 9781003161653
Problems of Contemporary Militarism
Problems of Contemporary Militarism
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c2421c0a3bd20780523151e9d29a60d9
https://doi.org/10.4324/9781003161653-6
https://doi.org/10.4324/9781003161653-6
Autor:
Ulrich Albrecht
Publikováno v:
Defending Europe ISBN: 9781003098911
After a decade of detente and Ostpolitik, Europe now faces yet another round of the nuclear arms race on its soil. The two-pillar doctrine that European security rests as much on the US nuclear deterrent as on detente and the reflection of this doctr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ca3ff14bce37ce80449675e5ea4e0de9
https://doi.org/10.4324/9781003098911-18
https://doi.org/10.4324/9781003098911-18
Autor:
Ulrich Albrecht
Publikováno v:
Studia Universitatis Babes-Bolyai Matematica. 62:295-307
This paper discusses the structure of a nite valuated p-group when viewed as a module over its endomorphism ring. A category equivalence between full subcategories of the category of valuated p-groups and the cate- gory of right modules over the endo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f18188c8a8bbbf1098aafae945d55724
https://doi.org/10.24193/subbmath.2017.3.03
https://doi.org/10.24193/subbmath.2017.3.03
Autor:
Ulrich Albrecht, Bradley McQuaig
Publikováno v:
Springer Proceedings in Mathematics & Statistics ISBN: 9783030115203
This paper introduces the notions of \(K^r\)-faithfulness and quasi-flatness. They are used to discuss non-singularity and Hattori-torsion-freeness in the context of endomorphism rings. Several additional examples are given.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::689dca96bcbcc44eb6c7c593e494fd05
https://doi.org/10.1007/978-3-030-11521-0_1
https://doi.org/10.1007/978-3-030-11521-0_1
Autor:
Ulrich Albrecht, Stefan Friedenberg
Publikováno v:
Communications in Algebra. 44:3976-3988
This article investigates homological properties of the class *B of Abelian groups A such that Ext(A, B) is torsion-free. In particular, subgroups and extensions of groups in *B are discussed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cc46df4b9d4e31869c910ad66894943a
https://doi.org/10.1080/00927872.2015.1095029
https://doi.org/10.1080/00927872.2015.1095029