Homomorphisms between -projective Abelian groups and left Kasch-rings
Ulrich F. Albrecht; Jong-Woo Jeong
Czechoslovak Mathematical Journal (1998)
- Volume: 48, Issue: 1, page 31-43
- ISSN: 0011-4642
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topAlbrecht, Ulrich F., and Jeong, Jong-Woo. "Homomorphisms between $A$-projective Abelian groups and left Kasch-rings." Czechoslovak Mathematical Journal 48.1 (1998): 31-43. <http://eudml.org/doc/30399>.
@article{Albrecht1998,
abstract = {Glaz and Wickless introduced the class $G$ of mixed abelian groups $A$ which have finite torsion-free rank and satisfy the following three properties: i) $A_p$ is finite for all primes $p$, ii) $A$ is isomorphic to a pure subgroup of $\Pi _p A_p$, and iii) $\mathop \{\mathrm \{H\}om\}\nolimits (A,tA)$ is torsion. A ring $R$ is a left Kasch ring if every proper right ideal of $R$ has a non-zero left annihilator. We characterize the elements $A$ of $G$ such that $E(A)/tE(A)$ is a left Kasch ring, and discuss related results.},
author = {Albrecht, Ulrich F., Jeong, Jong-Woo},
journal = {Czechoslovak Mathematical Journal},
keywords = {mixed Abelian group; endomorphism ring; Kasch ring; $A$-solvable group; mixed Abelian groups; endomorphism rings; left Kasch rings; -solvable groups; groups of finite torsion-free rank},
language = {eng},
number = {1},
pages = {31-43},
publisher = {Institute of Mathematics, Academy of Sciences of the Czech Republic},
title = {Homomorphisms between $A$-projective Abelian groups and left Kasch-rings},
url = {http://eudml.org/doc/30399},
volume = {48},
year = {1998},
}
TY - JOUR
AU - Albrecht, Ulrich F.
AU - Jeong, Jong-Woo
TI - Homomorphisms between $A$-projective Abelian groups and left Kasch-rings
JO - Czechoslovak Mathematical Journal
PY - 1998
PB - Institute of Mathematics, Academy of Sciences of the Czech Republic
VL - 48
IS - 1
SP - 31
EP - 43
AB - Glaz and Wickless introduced the class $G$ of mixed abelian groups $A$ which have finite torsion-free rank and satisfy the following three properties: i) $A_p$ is finite for all primes $p$, ii) $A$ is isomorphic to a pure subgroup of $\Pi _p A_p$, and iii) $\mathop {\mathrm {H}om}\nolimits (A,tA)$ is torsion. A ring $R$ is a left Kasch ring if every proper right ideal of $R$ has a non-zero left annihilator. We characterize the elements $A$ of $G$ such that $E(A)/tE(A)$ is a left Kasch ring, and discuss related results.
LA - eng
KW - mixed Abelian group; endomorphism ring; Kasch ring; $A$-solvable group; mixed Abelian groups; endomorphism rings; left Kasch rings; -solvable groups; groups of finite torsion-free rank
UR - http://eudml.org/doc/30399
ER -
References
top- 10.1016/0021-8693(85)90081-X, J. of Alg. 97 (1985), 201–220. (1985) Zbl0575.20048MR0812177DOI10.1016/0021-8693(85)90081-X
- 10.1016/0021-8693(91)90108-K, J. of Alg. 144 (1991), 344–358. (1991) Zbl0749.20029MR1140608DOI10.1016/0021-8693(91)90108-K
- 10.1007/BF03322457, Results in Mathematics 17 (1990), 179–201. (1990) MR1052585DOI10.1007/BF03322457
- An Azumaya Theorem for a class of mixed abelian groups, Preprint. Zbl1079.20503
- Mixed groups projective as modules over their endomorphism ring, Preprint.
- The flat dimension of mixed abelian groups as -modules, Preprint. MR1336551
- Rings and Categories of Modules, Springer Verlag, Berlin, Heidelberg, New York, 1992. (1992) MR1245487
- 10.1090/S0002-9947-1960-0157984-8, Trans. Amer. Math. Soc. 95 (1960), 466–488. (1960) MR0157984DOI10.1090/S0002-9947-1960-0157984-8
- Infinite Abelian Groups, Academic Press, New York, London, 1970/73. (1970/73) MR0255673
- Regular and principal projective endomorphism rings of mixed abelian groups, (to appear). (to appear) MR1261253
- Subgroups of bounded abelian groups, Abelian Groups and Modules, Udine 1984, Springer Verlag, Berlin, Heidelberg, New York, 1984, pp. 17–36. (1984) MR0789807
- Rings of Quotients, Springer Verlag, Berlin, Heidelberg, New York, 1975. (1975) MR0389953
- 10.1007/BF01425418, Inv. Math. 19 (1973), 331–336. (1973) MR0335601DOI10.1007/BF01425418
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