Schultz, Phill Abelian \(p\)–groups and their endomorphism rings. arXiv:2311.01760 Preprint, arXiv:2311.01760 [math.GR] (2023). MSC: 20K10 20K30 BibTeX Cite \textit{P. Schultz}, ``Abelian $p$--groups and their endomorphism rings'', Preprint, arXiv:2311.01760 [math.GR] (2023) Full Text: arXiv OA License
Schultz, Phill Book review of: Carol Jacoby and Peter Loth, abelian groups: structures and classifications. (English) Zbl 07819006 Aust. Math. Soc. Gaz. 48, No. 5, 230-232 (2021). MSC: 00A17 20-02 20Kxx PDFBibTeX XMLCite \textit{P. Schultz}, Aust. Math. Soc. Gaz. 48, No. 5, 230--232 (2021; Zbl 07819006)
Aviño, Maria Alicia; Schultz, Phill; Zyman, Marcos The upper central series of the maximal normal \(p\)-subgroup of a group of automorphisms. (English) Zbl 1489.20023 J. Group Theory 24, No. 6, 1213-1244 (2021). Reviewer: Nikolay I. Kryuchkov (Ryazan) MSC: 20K30 20K10 20F28 PDFBibTeX XMLCite \textit{M. A. Aviño} et al., J. Group Theory 24, No. 6, 1213--1244 (2021; Zbl 1489.20023) Full Text: DOI
Schultz, Phill Torsion-free abelian groups revisited. (English) Zbl 1477.20101 Rend. Semin. Mat. Univ. Padova 144, 239-252 (2020). Reviewer: Nikolay I. Kryuchkov (Ryazan) MSC: 20K15 20K25 20K30 PDFBibTeX XMLCite \textit{P. Schultz}, Rend. Semin. Mat. Univ. Padova 144, 239--252 (2020; Zbl 1477.20101) Full Text: DOI arXiv
Schultz, Phill Canonical Decompositions of Abelian Groups. arXiv:2007.07508 Preprint, arXiv:2007.07508 [math.GR] (2020). MSC: 20K15 20K25 16D70 BibTeX Cite \textit{P. Schultz}, ``Canonical Decompositions of Abelian Groups'', Preprint, arXiv:2007.07508 [math.GR] (2020) Full Text: arXiv OA License
Schultz, Phill Torsion–free abelian groups revisited (2). arXiv:2004.05138 Preprint, arXiv:2004.05138 [math.GR] (2020). MSC: 20K15 20K25 20K30 BibTeX Cite \textit{P. Schultz}, ``Torsion--free abelian groups revisited (2)'', Preprint, arXiv:2004.05138 [math.GR] (2020) Full Text: arXiv OA License
Braun, Gábor; Schultz, Phill; Strüngmann, Lutz Decompositions of torsion-free abelian groups. (English) Zbl 1447.20023 J. Algebra 528, 72-84 (2019). Reviewer: Alireza Najafizadeh (Tabriz) MSC: 20K15 20K20 20K25 PDFBibTeX XMLCite \textit{G. Braun} et al., J. Algebra 528, 72--84 (2019; Zbl 1447.20023) Full Text: DOI arXiv
Mader, Adolf; Schultz, Phill Indecomposable decompositions of torsion-free abelian groups. (English) Zbl 1435.20061 J. Algebra 506, 267-296 (2018). Reviewer: Ross P. Abraham (Brookings) MSC: 20K15 20K25 PDFBibTeX XMLCite \textit{A. Mader} and \textit{P. Schultz}, J. Algebra 506, 267--296 (2018; Zbl 1435.20061) Full Text: DOI arXiv
Mader, Adolf; Schultz, Phill Completely decomposable direct summands of torsion-free abelian groups of finite rank. (English) Zbl 1435.20060 Proc. Am. Math. Soc. 146, No. 1, 93-96 (2018). Reviewer: Ross P. Abraham (Brookings) MSC: 20K15 20K25 PDFBibTeX XMLCite \textit{A. Mader} and \textit{P. Schultz}, Proc. Am. Math. Soc. 146, No. 1, 93--96 (2018; Zbl 1435.20060) Full Text: DOI arXiv
Breaz, Simion; Călugăreanu, Grigore; Schultz, Phill Subgroups which admit extensions of homomorphisms. (English) Zbl 1336.20054 Forum Math. 27, No. 5, 2533-2549 (2015). Reviewer: Anna Giordano Bruno (Udine) MSC: 20K30 20K10 20K27 16D50 PDFBibTeX XMLCite \textit{S. Breaz} et al., Forum Math. 27, No. 5, 2533--2549 (2015; Zbl 1336.20054) Full Text: DOI arXiv
Albrecht, Ulrich; Breaz, Simion; Schultz, Phill The Ext functor and self-sums. (English) Zbl 1311.20054 Forum Math. 26, No. 3, 851-862 (2014). Reviewer: Ross P. Abraham (Brookings) MSC: 20K35 20K40 PDFBibTeX XMLCite \textit{U. Albrecht} et al., Forum Math. 26, No. 3, 851--862 (2014; Zbl 1311.20054) Full Text: DOI
Schultz, Phill Commuting properties of Ext. (English) Zbl 1285.20059 J. Aust. Math. Soc. 94, No. 2, 276-288 (2013). Reviewer: Simion Sorin Breaz (Cluj-Napoca) MSC: 20K40 20K35 20K25 PDFBibTeX XMLCite \textit{P. Schultz}, J. Aust. Math. Soc. 94, No. 2, 276--288 (2013; Zbl 1285.20059) Full Text: DOI
Albrecht, Ulrich; Breaz, Simion; Schultz, Phill Functorial properties of Hom and Ext. (English) Zbl 1273.20056 Strüngmann, Lutz (ed.) et al., Groups and model theory. In honor of Rüdiger Göbel’s 70th birthday. Proceedings of the conference, conference center “Die Wolfsburg”, Mühlheim an der Ruhr, Germany, May 30 – June 3, 2011. Providence, RI: American Mathematical Society (AMS) (ISBN 978-0-8218-6923-9/pbk; 978-0-8218-9098-1/ebook). Contemporary Mathematics 576, 1-15 (2012). Reviewer: Ross P. Abraham (Brookings) MSC: 20K40 20K25 16E30 16D70 20K35 PDFBibTeX XMLCite \textit{U. Albrecht} et al., Contemp. Math. 576, 1--15 (2012; Zbl 1273.20056)
Breaz, Simion; Schultz, Phill When Ext commutes with direct sums. (English) Zbl 1273.20057 J. Algebra Appl. 11, No. 5, 1250153, 4 p. (2012). Reviewer: Ross P. Abraham (Brookings) MSC: 20K40 20K25 20K35 PDFBibTeX XMLCite \textit{S. Breaz} and \textit{P. Schultz}, J. Algebra Appl. 11, No. 5, 1250153, 4 p. (2012; Zbl 1273.20057) Full Text: DOI
Breaz, Simion; Schultz, Phill Dualities for self-small groups. (English) Zbl 1262.20057 Proc. Am. Math. Soc. 140, No. 1, 69-82 (2012). Reviewer: Nako Nachev (Plovdiv) MSC: 20K21 20K30 20K40 PDFBibTeX XMLCite \textit{S. Breaz} and \textit{P. Schultz}, Proc. Am. Math. Soc. 140, No. 1, 69--82 (2012; Zbl 1262.20057) Full Text: DOI
Cornelius, E. F. jun.; Schultz, Phill Root bases of polynomials over integral domains. (English) Zbl 1185.13025 Göbel, Rüdiger (ed.) et al., Models, modules and Abelian groups. In memory of A. L. S. Corner. Berlin: Walter de Gruyter (ISBN 978-3-11-019437-1/hbk). 235-248 (2008). Reviewer: Jebrel M. Habeb (Irbid) MSC: 13G05 13C13 13P05 13C05 15A99 20K25 PDFBibTeX XMLCite \textit{E. F. Cornelius jun.} and \textit{P. Schultz}, in: Models, modules and abelian groups. In memory of A. L. S. Corner. Berlin: Walter de Gruyter. 235--248 (2008; Zbl 1185.13025)
Călugăreanu, Grigore; Schultz, Phill Endomorphisms and automorphisms of squares of Abelian groups. (English) Zbl 1206.20061 Göbel, Rüdiger (ed.) et al., Models, modules and abelian groups. In memory of A. L. S. Corner. Berlin: Walter de Gruyter (ISBN 978-3-11-019437-1/hbk). 121-133 (2008). Reviewer: Ross P. Abraham (Brookings) MSC: 20K30 20K15 20K20 PDFBibTeX XMLCite \textit{G. Călugăreanu} and \textit{P. Schultz}, in: Models, modules and abelian groups. In memory of A. L. S. Corner. Berlin: Walter de Gruyter. 121--133 (2008; Zbl 1206.20061)
Cornelius, E. F. jun.; Schultz, Phill Polynomial points. (English) Zbl 1169.11009 J. Integer Seq. 10, No. 3, Article 07.3.6, 14 p. (2007). Reviewer: Erich Härtter (Mainz) MSC: 11B75 20K25 20K99 PDFBibTeX XMLCite \textit{E. F. Cornelius jun.} and \textit{P. Schultz}, J. Integer Seq. 10, No. 3, Article 07.3.6, 14 p. (2007; Zbl 1169.11009) Full Text: EuDML EMIS
Schultz, Phill Pure invariance in torsion-free Abelian groups. (English) Zbl 1107.20047 Goeters, Pat (ed.) et al., Abelian groups, rings, modules, and homological algebra. Selected papers of a conference on the occasion of Edgar Earle Enochs’ 72nd birthday, Auburn, AL, USA, September 9–11, 2004. Boca Raton, FL: Chapman & Hall/CRC (ISBN 1-58488-552-1/hbk). Lecture Notes in Pure and Applied Mathematics 249, 285-294 (2006). Reviewer: Charles Vinsonhaler (Storrs) MSC: 20K20 20K30 20K27 PDFBibTeX XMLCite \textit{P. Schultz}, Lect. Notes Pure Appl. Math. 249, 285--294 (2006; Zbl 1107.20047)
Abraham, Ross; Schultz, Phill Additive Galois theory of modules. (English) Zbl 1062.16037 Facchini, Alberto (ed.) et al., Rings, modules, algebras, and Abelian groups. Proceedings of the algebra conference – Venezia 2002, Venice, Italy, June 3–8, 2002. New York, NY: Marcel Dekker (ISBN 0-8247-4807-7/pbk). Lect. Notes Pure Appl. Math. 236, 1-12 (2004). Reviewer: Grigore Călugăreanu (Safat) MSC: 16S50 20K10 20K30 16D25 06A15 PDFBibTeX XMLCite \textit{R. Abraham} and \textit{P. Schultz}, Lect. Notes Pure Appl. Math. 236, 1--12 (2004; Zbl 1062.16037)
Schultz, P.; Sebeldin, A.; Sylla, A. L. Determination of torsion Abelian groups by their automorphism groups. (English) Zbl 1037.20056 Bull. Aust. Math. Soc. 67, No. 3, 511-519 (2003). Reviewer: Grigore Călugăreanu (Cluj-Napoca) MSC: 20K10 20F28 20K30 PDFBibTeX XMLCite \textit{P. Schultz} et al., Bull. Aust. Math. Soc. 67, No. 3, 511--519 (2003; Zbl 1037.20056) Full Text: DOI
Schultz, P. Self-splitting Abelian groups. (English) Zbl 0990.20036 Bull. Aust. Math. Soc. 64, No. 1, 71-79 (2001). Reviewer: Rüdiger Göbel (Essen) MSC: 20K35 20K40 20K20 18G15 PDFBibTeX XMLCite \textit{P. Schultz}, Bull. Aust. Math. Soc. 64, No. 1, 71--79 (2001; Zbl 0990.20036) Full Text: DOI
Blagoveshchenskaya, E.; Ivanov, G.; Schultz, P. The Baer-Kaplansky theorem for almost completely decomposable groups. (English) Zbl 0985.20044 Kelarev, A. V. (ed.) et al., Abelian groups, rings and modules. Proceedings of the AGRAM 2000 conference, Perth, Australia, July 9-15, 2000. Providence, RI: American Mathematical Society (AMS). Contemp. Math. 273, 85-93 (2001). Reviewer: Adolf Mader (Honolulu) MSC: 20K15 20K30 20K25 PDFBibTeX XMLCite \textit{E. Blagoveshchenskaya} et al., Contemp. Math. 273, 85--93 (2001; Zbl 0985.20044)
Aviñó, María Alicia; Schultz, Phill The endomorphism ring of a bounded Abelian \(p\)-group. (English) Zbl 0987.20031 Kelarev, A. V. (ed.) et al., Abelian groups, rings and modules. Proceedings of the AGRAM 2000 conference, Perth, Australia, July 9-15, 2000. Providence, RI: American Mathematical Society (AMS). Contemp. Math. 273, 75-84 (2001). Reviewer: Jutta Hausen (Houston) MSC: 20K30 20K10 16S50 16N20 05C25 16D25 PDFBibTeX XMLCite \textit{M. A. Aviñó} and \textit{P. Schultz}, Contemp. Math. 273, 75--84 (2001; Zbl 0987.20031)
Schultz, Phill Automorphism groups of Abelian groups. (English) Zbl 0987.20030 Kelarev, A. V. (ed.) et al., Abelian groups, rings and modules. Proceedings of the AGRAM 2000 conference, Perth, Australia, July 9-15, 2000. Providence, RI: American Mathematical Society (AMS). Contemp. Math. 273, 51-62 (2001). Reviewer: Jutta Hausen (Houston) MSC: 20K30 20F28 20F29 PDFBibTeX XMLCite \textit{P. Schultz}, Contemp. Math. 273, 51--62 (2001; Zbl 0987.20030)
Kelarev, A. V. (ed.); Göbel, R. (ed.); Rangaswamy, K. M. (ed.); Schultz, P. (ed.); Vinsonhaler, C. (ed.) Abelian groups, rings and modules. Proceedings of the AGRAM 2000 conference, Perth, Australia, July 9–15, 2000. (English) Zbl 0960.00043 Contemporary Mathematics. 273. Providence, RI: American Mathematical Society (AMS). xi, 308 p. (2001). MSC: 00B25 20-06 13-06 16-06 PDFBibTeX XMLCite \textit{A. V. Kelarev} (ed.) et al., Abelian groups, rings and modules. Proceedings of the AGRAM 2000 conference, Perth, Australia, July 9--15, 2000. Providence, RI: American Mathematical Society (AMS) (2001; Zbl 0960.00043) Full Text: DOI
Mader, A.; Schultz, P. Endomorphism rings and automorphism groups of almost completely decomposable groups. (English) Zbl 0952.20043 Commun. Algebra 28, No. 1, 51-68 (2000). Reviewer: Ross P.Abraham (Brookings) MSC: 20K15 20K30 20F28 16S50 PDFBibTeX XMLCite \textit{A. Mader} and \textit{P. Schultz}, Commun. Algebra 28, No. 1, 51--68 (2000; Zbl 0952.20043) Full Text: DOI
Schultz, Phillip Groups acting on modules. (English) Zbl 0940.16001 Eklof, Paul C. (ed.) et al., Abelian groups and modules. Proceedings of the international conference in Dublin, Ireland, August 10-14, 1998. Basel: Birkhäuser. Trends in Mathematics. 75-85 (1999). Reviewer: Adolf Mader (Honolulu) MSC: 16D10 20K30 16W22 PDFBibTeX XMLCite \textit{P. Schultz}, in: Abelian groups and modules. Proceedings of the international conference in Dublin, Ireland, August 10--14, 1998. Basel: Birkhäuser. 75--85 (1999; Zbl 0940.16001)
Schultz, Phillip Automorphisms which determine an Abelian \(p\)-group. (English) Zbl 0914.20050 Dikranjan, Dikran (ed.) et al., Abelian groups, module theory, and topology. Proceedings in honour of Adalberto Orsatti’s 60th birthday, Padua, Italy, 1997. New York, NY: Marcel Dekker. Lect. Notes Pure Appl. Math. 201, 373-379 (1998). Reviewer: Ladislav Bican (Praha) MSC: 20K30 20K10 20F28 PDFBibTeX XMLCite \textit{P. Schultz}, Lect. Notes Pure Appl. Math. 201, 373--379 (1998; Zbl 0914.20050)
Hausen, Jutta; Schultz, Phillip The maximal normal \(p\)-subgroup of the automorphism group of an Abelian \(p\)-group. (English) Zbl 0911.20037 Proc. Am. Math. Soc. 126, No. 9, 2525-2533 (1998). Reviewer: C.Vinsonhaler (Storrs) MSC: 20K10 20K30 20F28 PDFBibTeX XMLCite \textit{J. Hausen} and \textit{P. Schultz}, Proc. Am. Math. Soc. 126, No. 9, 2525--2533 (1998; Zbl 0911.20037) Full Text: DOI
Faticoni, Theodore G.; Schultz, Phillip Direct decompositions of acd groups with primary regulating index. (English) Zbl 0869.20038 Arnold, David M. (ed.) et al., Abelian groups and modules. Proceedings of the international conference at Colorado Springs, CO, USA, August 7–12, 1995. New York, NY: Marcel Dekker. Lect. Notes Pure Appl. Math. 182, 233-241 (1996). Reviewer: A.Mader (Honolulu) MSC: 20K15 20K25 20K30 16S50 20K99 PDFBibTeX XMLCite \textit{T. G. Faticoni} and \textit{P. Schultz}, Lect. Notes Pure Appl. Math. 182, 233--241 (1996; Zbl 0869.20038)
Schultz, Phillip The near endomorphism ring of an almost completely decomposable group. (English) Zbl 0844.20033 Facchini, Alberto (ed.) et al., Abelian groups and modules. Proceedings of the Padova conference, Padova, Italy, June 23-July 1, 1994. Dordrecht: Kluwer Academic Publishers. Math. Appl., Dordr. 343, 441-452 (1995). Reviewer: A.Mader (Honolulu) MSC: 20K15 20K30 16S50 20K25 20K27 20K40 PDFBibTeX XMLCite \textit{P. Schultz}, Math. Appl., Dordr. 343, 441--452 (1995; Zbl 0844.20033)
Schultz, Phillip A counter-example in Jacobson radicals. (English) Zbl 0823.16012 Proc. Am. Math. Soc. 122, No. 3, 961-964 (1994). Reviewer: J.Hausen (Houston) MSC: 16N20 20K10 20K30 16S50 PDFBibTeX XMLCite \textit{P. Schultz}, Proc. Am. Math. Soc. 122, No. 3, 961--964 (1994; Zbl 0823.16012) Full Text: DOI
Hausen, Jutta; Praeger, Cheryl E.; Schultz, Phillip Most abelian \(p\)-groups are determined by the Jacobson radical of their endomorphism rings. (English) Zbl 0811.20046 Math. Z. 216, No. 3, 431-436 (1994). Reviewer: J.Hausen (Houston) MSC: 20K30 20K10 16N20 16S50 20K27 PDFBibTeX XMLCite \textit{J. Hausen} et al., Math. Z. 216, No. 3, 431--436 (1994; Zbl 0811.20046) Full Text: DOI EuDML
Schultz, Phillip When is an abelian \(p\)-group determined by the Jacobson radical of its endomorphism ring? (English) Zbl 0827.20067 Göbel, Rüdiger (ed.) et al., Abelian group theory and related topics. Conference, August 1-7, 1993, Oberwolfach, Germany. Providence, RI: American Mathematical Society. Contemp. Math. 171, 385-396 (1994). Reviewer: J.Hausen (Houston) MSC: 20K30 16S50 20K10 16N20 20K27 PDFBibTeX XMLCite \textit{P. Schultz}, Contemp. Math. 171, 385--396 (1994; Zbl 0827.20067)
Schultz, P.; Vinsonhaler, C.; Wickless, W. J. Annihilator equivalence of torsion-free Abelian groups. (English) Zbl 0784.20027 J. Aust. Math. Soc., Ser. A 52, No. 1, 119-129 (1992). Reviewer: C.Böttinger (Essen) MSC: 20K15 20K30 PDFBibTeX XMLCite \textit{P. Schultz} et al., J. Aust. Math. Soc., Ser. A 52, No. 1, 119--129 (1992; Zbl 0784.20027)
Praeger, Cheryl E.; Schultz, Phillip The Loewy length of the Jacobson radical of a bounded endomorphism ring. (English) Zbl 0773.20024 Abelian groups and noncommutative rings, Collect. Pap. in Mem. of R. B. Warfield jun., Contemp. Math. 130, 349-360 (1992). Reviewer: J.Hausen (Houston) MSC: 20K30 20K10 16S50 16N20 05C25 PDFBibTeX XMLCite \textit{C. E. Praeger} and \textit{P. Schultz}, Contemp. Math. 130, 349--360 (1992; Zbl 0773.20024)
Schultz, Phillip The endomorphism ring of a valuated group. (English) Zbl 0676.20033 Abelian group theory, Proc. 4th Conf., Perth/Aust. 1987, Contemp. Math. 87, 75-84 (1989). Reviewer: C.Vinsonhaler MSC: 20K10 20K30 16S50 PDFBibTeX XML
Fuchs, Laszlo (ed.); Göbel, Rüdiger (ed.); Schultz, Phillip (ed.) Abelian group theory, Proceedings of the 1987 (4th) Perth conference held August 9–14, 1987 (Perth, Western Australia). (English) Zbl 0666.00004 Contemporary Mathematics, 87. Providence, RI: American Mathematical Society (AMS). xvii, 289 p. $ 33.00 (1989). MSC: 00B25 20-06 16-06 PDFBibTeX XMLCite \textit{L. Fuchs} (ed.) et al., Abelian group theory, Proceedings of the 1987 (4th) Perth conference held August 9--14, 1987 (Perth, Western Australia). Providence, RI: American Mathematical Society (1989; Zbl 0666.00004) Full Text: DOI
Schultz, Phillip Finite extensions of torsion-free groups. (English) Zbl 0666.20024 Abelian group theory, Proc. 3rd Conf., Oberwolfach/FRG 1985, 333-350 (1987). Reviewer: A.Mader MSC: 20K15 20K27 20K30 PDFBibTeX XML
Schultz, Phillip Notes on mixed groups. II. (English) Zbl 0588.20032 Rend. Sem. Mat. Univ. Padova 75, 67-76 (1986). Reviewer: F.Loonstra MSC: 20K21 20K27 20K35 PDFBibTeX XMLCite \textit{P. Schultz}, Rend. Semin. Mat. Univ. Padova 75, 67--76 (1986; Zbl 0588.20032) Full Text: Numdam EuDML
Fuchs, L.; Schultz, P. The Jacobson radical of the endomorphism ring of a valued vector space. (English) Zbl 0483.16031 Algebraic structures and applications, Proc. 1st West. Aust. Conf. Algebra, Univ. West. Aust. 1980, Lect. Notes Pure Appl. Math. 74, 123-132 (1982). MSC: 16S50 16Nxx 20K10 PDFBibTeX XML
Fuchs, L.; Schultz, P. Endomorphism rings of valued vector spaces. (English) Zbl 0495.16029 Rend. Sem. Mat. Univ. Padova 65, 103-110 (1981). MSC: 16S50 15A04 20K30 PDFBibTeX XMLCite \textit{L. Fuchs} and \textit{P. Schultz}, Rend. Semin. Mat. Univ. Padova 65, 103--110 (1981; Zbl 0495.16029) Full Text: Numdam EuDML
Schultz, Phillip Correction to: The typeset and cotypeset of a rank 2 Abelian group. (English) Zbl 0474.20028 Pac. J. Math. 97, 486 (1981). MSC: 20K15 20K30 PDFBibTeX XMLCite \textit{P. Schultz}, Pac. J. Math. 97, 486 (1981; Zbl 0474.20028) Full Text: DOI
Schultz, Phillip Annihilator classes of torsion-free Abelian groups. (English) Zbl 0392.20037 Top. in Algebra, Proc. 18th Summer Res. Inst. Aust. math. Soc., Canberra 1978, Lect. Notes Math. 697, 88-94 (1978). MSC: 20K20 20K30 06F05 PDFBibTeX XML
Schultz, Phillip The typeset and cotypeset of a rank 2 Abelian group. (English) Zbl 0358.20059 Pac. J. Math. 78, 503-517 (1978). Reviewer: P. Schultz MSC: 20K15 PDFBibTeX XMLCite \textit{P. Schultz}, Pac. J. Math. 78, 503--517 (1978; Zbl 0358.20059) Full Text: DOI
Bowshell, R. A.; Schultz, P. Unital rings whose additive endomorphisms commute. (English) Zbl 0336.20040 Math. Ann. 228, 197-214 (1977). MSC: 20K30 20K40 18A40 PDFBibTeX XMLCite \textit{R. A. Bowshell} and \textit{P. Schultz}, Math. Ann. 228, 197--214 (1977; Zbl 0336.20040) Full Text: DOI EuDML
Schultz, Phillip Torsion-free extensions of torsion-free abelian groups. (English) Zbl 0282.20046 J. Algebra 30, 75-91 (1974). MSC: 20K15 20K35 20K30 PDFBibTeX XMLCite \textit{P. Schultz}, J. Algebra 30, 75--91 (1974; Zbl 0282.20046) Full Text: DOI
Schultz, Ph. On a paper of Szele and Szendrei on groups with commutative endomorphism rings. (English) Zbl 0259.20046 Acta Math. Acad. Sci. Hung. 24, 59-63 (1973). MSC: 20K25 20K35 20K30 PDFBibTeX XMLCite \textit{Ph. Schultz}, Acta Math. Acad. Sci. Hung. 24, 59--63 (1973; Zbl 0259.20046) Full Text: DOI
Schultz, P. The endomorphism ring of the additive group of a ring. (English) Zbl 0257.20037 J. Aust. Math. Soc. 15, 60-69 (1973). MSC: 20K30 16D70 16U70 PDFBibTeX XMLCite \textit{P. Schultz}, J. Aust. Math. Soc. 15, 60--69 (1973; Zbl 0257.20037) Full Text: DOI