Pedrotti, Juliana; Tamusiunas, Thaísa Injectivity of the Galois map. (English) Zbl 07643088 Bull. Braz. Math. Soc. (N.S.) 54, No. 1, Paper No. 11, 11 p. (2023). MSC: 16H05 13B05 20L05 16W22 16W55 PDF BibTeX XML Cite \textit{J. Pedrotti} and \textit{T. Tamusiunas}, Bull. Braz. Math. Soc. (N.S.) 54, No. 1, Paper No. 11, 11 p. (2023; Zbl 07643088) Full Text: DOI OpenURL
Cala, Juan; Lundström, Patrik; Pinedo, Hector Object-unital groupoid graded rings, crossed products and separability. (English) Zbl 1471.16048 Commun. Algebra 49, No. 4, 1676-1696 (2021). Reviewer: Constantin Năstăsescu (Bucureşti) MSC: 16W50 16S35 12F10 16H05 20L05 PDF BibTeX XML Cite \textit{J. Cala} et al., Commun. Algebra 49, No. 4, 1676--1696 (2021; Zbl 1471.16048) Full Text: DOI arXiv OpenURL
Dokuchaev, M.; Paques, A.; Pinedo, H.; Rocha, I. Partial generalized crossed products and a seven-term exact sequence. (English) Zbl 1469.13013 J. Algebra 572, 195-230 (2021). MSC: 13B05 13A50 16H05 16K50 16S35 16W22 20M18 PDF BibTeX XML Cite \textit{M. Dokuchaev} et al., J. Algebra 572, 195--230 (2021; Zbl 1469.13013) Full Text: DOI arXiv OpenURL
Jiang, Xiaolong; Kuo, Jung-Miao; Szeto, George On three special types of partial Galois extensions. (English) Zbl 1469.16040 J. Algebra Appl. 19, No. 12, Article ID 2150004, 13 p. (2020). MSC: 16H05 16W22 13B05 PDF BibTeX XML Cite \textit{X. Jiang} et al., J. Algebra Appl. 19, No. 12, Article ID 2150004, 13 p. (2020; Zbl 1469.16040) Full Text: DOI OpenURL
Haile, Darrell; Rowen, Louis; Tignol, Jean-Pierre On quaternion algebras split by a given extension, Clifford algebras and hyperelliptic curves. (English) Zbl 1464.16012 Algebr. Represent. Theory 23, No. 4, 1807-1826 (2020). Reviewer: Danail Brezov (Sofia) MSC: 16H05 16K20 11E88 12F10 15A66 PDF BibTeX XML Cite \textit{D. Haile} et al., Algebr. Represent. Theory 23, No. 4, 1807--1826 (2020; Zbl 1464.16012) Full Text: DOI OpenURL
Ratnayake, Jayampathy \(K\)-automorphisms of a weak-crossed product \(F\)-algebra over a Galois extension \(K/F\). (English) Zbl 1433.16018 J. Algebra 539, 377-396 (2019). MSC: 16H05 12F10 PDF BibTeX XML Cite \textit{J. Ratnayake}, J. Algebra 539, 377--396 (2019; Zbl 1433.16018) Full Text: DOI OpenURL
Jiang, Xiaolong; Kuo, Jung-Miao; Szeto, George On partial Galois algebras. (English) Zbl 1406.16017 Taiwanese J. Math. 22, No. 6, 1367-1382 (2018). MSC: 16H05 16W22 13B05 PDF BibTeX XML Cite \textit{X. Jiang} et al., Taiwanese J. Math. 22, No. 6, 1367--1382 (2018; Zbl 1406.16017) Full Text: DOI Euclid OpenURL
Wisbauer, Robert Separability in algebra and category theory. (English) Zbl 1404.12005 Ashraf, Mohammad (ed.) et al., Algebra and its applications. Proceedings of the international conference held at Aligarh Muslim University, Aligarh, India, November 12–14, 2016. Berlin: De Gruyter (ISBN 978-3-11-054092-5/hbk; 978-3-11-054240-0/ebook). De Gruyter Proceedings in Mathematics, 265-305 (2018). MSC: 12F10 16H05 18A99 12-02 12-03 PDF BibTeX XML Cite \textit{R. Wisbauer}, in: Algebra and its applications. Proceedings of the international conference held at Aligarh Muslim University, Aligarh, India, November 12--14, 2016. Berlin: De Gruyter. 265--305 (2018; Zbl 1404.12005) Full Text: DOI OpenURL
Huebschmann, Johannes Normality of algebras over commutative rings and the Teichmüller class. III: Examples. (English) Zbl 1428.13011 J. Homotopy Relat. Struct. 13, No. 1, 127-142 (2018). Reviewer: Ivan D. Chipchakov (Sofia) MSC: 13B05 12G05 16H05 16K50 16S35 20J06 PDF BibTeX XML Cite \textit{J. Huebschmann}, J. Homotopy Relat. Struct. 13, No. 1, 127--142 (2018; Zbl 1428.13011) Full Text: DOI OpenURL
Huebschmann, Johannes Normality of algebras over commutative rings and the Teichmüller class. II: Crossed pairs and the relative case. (English) Zbl 1439.13026 J. Homotopy Relat. Struct. 13, No. 1, 71-125 (2018). Reviewer: Ivan D. Chipchakov (Sofia) MSC: 13B05 12G05 16H05 16K50 16S35 20J06 PDF BibTeX XML Cite \textit{J. Huebschmann}, J. Homotopy Relat. Struct. 13, No. 1, 71--125 (2018; Zbl 1439.13026) Full Text: DOI OpenURL
Huebschmann, Johannes Normality of algebras over commutative rings and the Teichmüller class. I: The absolute case. (English) Zbl 1439.13025 J. Homotopy Relat. Struct. 13, No. 1, 1-70 (2018). Reviewer: Ivan D. Chipchakov (Sofia) MSC: 13B05 12G05 16H05 16K50 16S35 20J06 PDF BibTeX XML Cite \textit{J. Huebschmann}, J. Homotopy Relat. Struct. 13, No. 1, 1--70 (2018; Zbl 1439.13025) Full Text: DOI OpenURL
Ford, Timothy J. Separable algebras. (English) Zbl 1422.16014 Graduate Studies in Mathematics 183. Providence, RI: American Mathematical Society (AMS) (ISBN 978-1-4704-3770-1/hbk; 978-1-4704-4230-9/ebook). xxi, 637 p. (2017). Reviewer: Stefaan Caenepeel (Brussels) MSC: 16H05 13B05 13B40 13J15 12G05 12H05 14F22 PDF BibTeX XML Cite \textit{T. J. Ford}, Separable algebras. Providence, RI: American Mathematical Society (AMS) (2017; Zbl 1422.16014) Full Text: DOI OpenURL
Kadison, Lars A tower condition characterizing normality. (English) Zbl 1393.12006 Hokkaido Math. J. 45, No. 2, 243-262 (2016). Reviewer: Jae Keol Park (Pusan) MSC: 12F10 13B02 16D20 16H05 16S34 PDF BibTeX XML Cite \textit{L. Kadison}, Hokkaido Math. J. 45, No. 2, 243--262 (2016; Zbl 1393.12006) Full Text: DOI arXiv OpenURL
Jiang, Xiaolong; Szeto, George On Galois matrix extensions of high order. (English) Zbl 1389.16056 Gulf J. Math. 2, No. 3, 26-29 (2014). MSC: 16S50 13B05 16H05 PDF BibTeX XML Cite \textit{X. Jiang} and \textit{G. Szeto}, Gulf J. Math. 2, No. 3, 26--29 (2014; Zbl 1389.16056) OpenURL
Paques, Antonio; Tamusiunas, Thaísa A Galois-Grothendieck-type correspondence for groupoid actions. (English) Zbl 1318.13011 Algebra Discrete Math. 17, No. 1, 80-97 (2014). Reviewer: Marek Golasiński (Olsztyn) MSC: 13B05 13B02 18B40 16H05 PDF BibTeX XML Cite \textit{A. Paques} and \textit{T. Tamusiunas}, Algebra Discrete Math. 17, No. 1, 80--97 (2014; Zbl 1318.13011) Full Text: arXiv OpenURL
Jiang, Xiaolong; Szeto, George On Galois matrix rings of a ring. (English) Zbl 1389.16055 Gulf J. Math. 1, No. 2, 129-132 (2013). MSC: 16S50 16H05 PDF BibTeX XML Cite \textit{X. Jiang} and \textit{G. Szeto}, Gulf J. Math. 1, No. 2, 129--132 (2013; Zbl 1389.16055) Full Text: Link OpenURL
Jiang, Xiaolong; Szeto, George The Galois endomorphism ring of a Galois Azumaya extension. (English) Zbl 1302.16020 Int. J. Algebra 7, No. 17-20, 909-914 (2013). MSC: 16S35 13B05 16H05 16W20 16W22 PDF BibTeX XML Cite \textit{X. Jiang} and \textit{G. Szeto}, Int. J. Algebra 7, No. 17--20, 909--914 (2013; Zbl 1302.16020) Full Text: DOI Link OpenURL
Jiang, Xiaolong; Szeto, George The endomorphism ring of a Galois Azumaya extension. (English) Zbl 1302.16019 Int. J. Algebra 7, No. 9-12, 527-532 (2013). MSC: 16S35 13B05 16S50 16H05 16W20 16W22 PDF BibTeX XML Cite \textit{X. Jiang} and \textit{G. Szeto}, Int. J. Algebra 7, No. 9--12, 527--532 (2013; Zbl 1302.16019) Full Text: DOI Link OpenURL
Nelson, Audrey; Szeto, George When is the ring of \(2\times 2\) matrices over a ring Galois? (English) Zbl 1302.16023 Int. J. Algebra 7, No. 9-12, 439-444 (2013). MSC: 16S50 16S35 13B05 16H05 16W20 16W22 PDF BibTeX XML Cite \textit{A. Nelson} and \textit{G. Szeto}, Int. J. Algebra 7, No. 9--12, 439--444 (2013; Zbl 1302.16023) Full Text: DOI OpenURL
Jiang, Xiaolong; Szeto, George On Galois commutator subrings induced by a normal subgroup of a Galois group. (English) Zbl 1299.16019 Southeast Asian Bull. Math. 37, No. 3, 361-367 (2013). MSC: 16S35 16W20 16H05 13B05 16W22 PDF BibTeX XML Cite \textit{X. Jiang} and \textit{G. Szeto}, Southeast Asian Bull. Math. 37, No. 3, 361--367 (2013; Zbl 1299.16019) OpenURL
Xue, Lianyong On Hirata-Azumaya Galois extensions. (English) Zbl 1283.16017 Int. Math. Forum 8, No. 21-24, 1103-1110 (2013). MSC: 16H05 16S35 16W22 13B05 PDF BibTeX XML Cite \textit{L. Xue}, Int. Math. Forum 8, No. 21--24, 1103--1110 (2013; Zbl 1283.16017) Full Text: DOI OpenURL
Szeto, George; Xue, Lianyong The Galois map and its induced maps. (English) Zbl 1300.16026 Kim, Jin Yong (ed.) et al., Contemporary ring theory 2011. Proceedings of the 6th China-Japan-Korea international conference, Kyung Hee University, Suwon, Korea, June 27–July 2, 2011. Hackensack, NJ: World Scientific (ISBN 978-981-4397-67-4/hbk; 978-981-4397-69-8/ebook). 10-15 (2012). MSC: 16S35 16W20 16H05 13B05 16W22 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, in: Contemporary ring theory 2011. Proceedings of the 6th China-Japan-Korea international conference, Kyung Hee University, Suwon, Korea, June 27--July 2, 2011. Hackensack, NJ: World Scientific. 10--15 (2012; Zbl 1300.16026) Full Text: DOI OpenURL
Baker, Andrew; Richter, Birgit; Szymik, Markus Brauer groups for commutative \(S\)-algebras. (English) Zbl 1345.55003 J. Pure Appl. Algebra 216, No. 11, 2361-2376 (2012). Reviewer: Michael Joachim (Münster) MSC: 55P43 11R52 11R32 PDF BibTeX XML Cite \textit{A. Baker} et al., J. Pure Appl. Algebra 216, No. 11, 2361--2376 (2012; Zbl 1345.55003) Full Text: DOI arXiv OpenURL
Bagio, Dirceu; Paques, Antonio Partial groupoid actions: globalization, Morita theory, and Galois theory. (English) Zbl 1266.16045 Commun. Algebra 40, No. 10, 3658-3678 (2012). Reviewer: George Szeto (Peoria) MSC: 16W22 16S35 16H05 20M30 13B05 18B40 20N02 PDF BibTeX XML Cite \textit{D. Bagio} and \textit{A. Paques}, Commun. Algebra 40, No. 10, 3658--3678 (2012; Zbl 1266.16045) Full Text: DOI arXiv OpenURL
Jiang, Xiao-Long; Szeto, George On composition series of a general Azumaya Galois extension. (English) Zbl 1259.16029 South Asian J. Math. 2, No. 1, 11-15 (2012). MSC: 16S35 13B05 16H05 16W20 16W22 PDF BibTeX XML Cite \textit{X.-L. Jiang} and \textit{G. Szeto}, South Asian J. Math. 2, No. 1, 11--15 (2012; Zbl 1259.16029) OpenURL
Szeto, George; Xue, Lianyong On central Galois commutator subrings of a general Azumaya Galois extension. (English) Zbl 1259.16031 South Asian J. Math. 2, No. 1, 1-6 (2012). MSC: 16S35 13B05 16H05 16W20 16W22 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, South Asian J. Math. 2, No. 1, 1--6 (2012; Zbl 1259.16031) OpenURL
Szeto, George; Xue, Lianyong The Galois commutator subalgebras of a general Azumaya Galois extension. (English) Zbl 1259.16030 South Asian J. Math. 2, No. 2, 154-158 (2012). MSC: 16S35 13B05 16H05 16W20 16W22 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, South Asian J. Math. 2, No. 2, 154--158 (2012; Zbl 1259.16030) OpenURL
Jiang, Xiaolong; Szeto, George On the injective Galois map. (English) Zbl 1251.16021 Int. J. Algebra 6, No. 5-8, 219-225 (2012). MSC: 16S35 13B05 16H05 16W20 16W22 PDF BibTeX XML Cite \textit{X. Jiang} and \textit{G. Szeto}, Int. J. Algebra 6, No. 5--8, 219--225 (2012; Zbl 1251.16021) Full Text: Link OpenURL
Xue, Lianyong On Azumaya Galois extensions. (English) Zbl 1243.16030 Bull. Malays. Math. Sci. Soc. (2) 35, No. 2A, 583-589 (2012). MSC: 16S35 16W20 16W22 16H05 PDF BibTeX XML Cite \textit{L. Xue}, Bull. Malays. Math. Sci. Soc. (2) 35, No. 2A, 583--589 (2012; Zbl 1243.16030) Full Text: Link OpenURL
Szeto, George On Azumaya crossed products. (English) Zbl 1243.16029 Bull. Malays. Math. Sci. Soc. (2) 35, No. 2A, 529-535 (2012). MSC: 16S35 16W20 16W22 16H05 PDF BibTeX XML Cite \textit{G. Szeto}, Bull. Malays. Math. Sci. Soc. (2) 35, No. 2A, 529--535 (2012; Zbl 1243.16029) Full Text: Link OpenURL
Freitas, Daiane; Paques, Antonio On partial Galois Azumaya extensions. (English) Zbl 1259.16016 Algebra Discrete Math. 11, No. 2, 64-77 (2011). MSC: 16H05 16S35 16W22 PDF BibTeX XML Cite \textit{D. Freitas} and \textit{A. Paques}, Algebra Discrete Math. 11, No. 2, 64--77 (2011; Zbl 1259.16016) OpenURL
Szeto, George; Xue, Lianyong On Galois subextensions of a Galois algebra. (English) Zbl 1250.16022 Int. Math. Forum 6, No. 61-64, 3093-3099 (2011). MSC: 16S35 16W20 16H05 13B05 16W22 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Int. Math. Forum 6, No. 61--64, 3093--3099 (2011; Zbl 1250.16022) Full Text: Link OpenURL
Szeto, George; Xue, Lianyong On Galois extensions with a one-to-one Galois map. (English) Zbl 1246.16021 Int. J. Algebra 5, No. 17-20, 801-807 (2011). MSC: 16S35 16H05 13B05 16W20 16W22 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Int. J. Algebra 5, No. 17--20, 801--807 (2011; Zbl 1246.16021) Full Text: Link OpenURL
Paques, Antonio; Rodrigues, Virgínia; Sant’Ana, Alveri Galois correspondences for partial Galois Azumaya extensions. (English) Zbl 1256.16012 J. Algebra Appl. 10, No. 5, 835-847 (2011). Reviewer: George Szeto (Peoria) MSC: 16H05 16S35 16W22 13B05 PDF BibTeX XML Cite \textit{A. Paques} et al., J. Algebra Appl. 10, No. 5, 835--847 (2011; Zbl 1256.16012) Full Text: DOI OpenURL
Szeto, George; Xue, Lianyong On Galois extensions for separable group rings. (English) Zbl 1230.16022 Int. Math. Forum 6, No. 5-8, 263-269 (2011). MSC: 16S34 16H05 16S35 16W20 13B05 16W22 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Int. Math. Forum 6, No. 5--8, 263--269 (2011; Zbl 1230.16022) Full Text: Link OpenURL
Szeto, George; Xue, Lianyong A structure of Galois extensions with an inner Galois group. (English) Zbl 1228.16021 Int. J. Algebra 5, No. 5-8, 233-239 (2011). MSC: 16S35 16W20 16H05 13B05 16W22 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Int. J. Algebra 5, No. 5--8, 233--239 (2011; Zbl 1228.16021) Full Text: Link OpenURL
Szeto, George; Xue, Lianyong On separable group rings. (English) Zbl 1212.16045 Algebra Discrete Math. 10, No. 1, 104-111 (2010). MSC: 16S34 16H05 16W20 13B05 20C05 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Algebra Discrete Math. 10, No. 1, 104--111 (2010; Zbl 1212.16045) OpenURL
Szeto, George; Xue, Lianyong Characterizations of a Hirata separable group ring. (English) Zbl 1201.16027 J. Algebra Number Theory, Adv. Appl. 3, No. 1, 27-33 (2010). Reviewer: János Kurdics (Nyíregyháza) MSC: 16S34 16H05 16W20 13B05 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, J. Algebra Number Theory, Adv. Appl. 3, No. 1, 27--33 (2010; Zbl 1201.16027) OpenURL
Paques, Antonio; Sant’Ana, Alveri When is a crossed product by a twisted partial action Azumaya? (English) Zbl 1200.16024 Commun. Algebra 38, No. 3, 1093-1103 (2010). Reviewer: George Szeto (Peoria) MSC: 16H05 16S35 16W22 PDF BibTeX XML Cite \textit{A. Paques} and \textit{A. Sant'Ana}, Commun. Algebra 38, No. 3, 1093--1103 (2010; Zbl 1200.16024) Full Text: DOI OpenURL
Szeto, George; Xue, Lianyong On Hirata separable extensions for group rings. (English) Zbl 1200.16025 Sci. Math. Jpn. 71, No. 2, 195-199 (2010). Reviewer: János Kurdics (Nyíregyháza) MSC: 16H05 16S34 13B05 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Sci. Math. Jpn. 71, No. 2, 195--199 (2010; Zbl 1200.16025) Full Text: Link OpenURL
Szeto, George; Xue, Lianyong On Galois extensions with an inner Galois group. (English) Zbl 1206.13009 Dong, Chongying (ed.) et al., Recent developments in algebra and related areas. Papers of the international conference on algebra and related areas, Tsinghua University, Beijing, China, August 18–20, 2007. Dedicated to Zhexian Wan in honor of his 80th birthday. Somerville, MA: International Press; Beijing: Higher Education Press (ISBN 978-1-57146-135-3/pbk). Advanced Lectures in Mathematics (ALM) 8, 239-245 (2009). MSC: 13B05 16W20 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Adv. Lect. Math. (ALM) 8, 239--245 (2009; Zbl 1206.13009) OpenURL
Szeto, George; Xue, Lianyong Galois extensions with a Galois commutator subring. (English) Zbl 1207.16043 Int. J. Algebra 3, No. 17-20, 993-999 (2009). Reviewer: Stefaan Caenepeel (Brussels) MSC: 16W22 16H05 16S35 13B05 16W20 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Int. J. Algebra 3, No. 17--20, 993--999 (2009; Zbl 1207.16043) Full Text: Link OpenURL
Alonso Álvarez, J. N.; Fernández Vilaboa, J. M.; González Rodríguez, R.; López, M. P. A characterization of projective weak Galois extensions. (English) Zbl 1192.16029 Isr. J. Math. 174, 161-177 (2009). Reviewer: George Szeto (Peoria) MSC: 16T05 16T15 18D10 16H05 16S35 13B05 PDF BibTeX XML Cite \textit{J. N. Alonso Álvarez} et al., Isr. J. Math. 174, 161--177 (2009; Zbl 1192.16029) Full Text: DOI OpenURL
Szeto, George; Xue, Lianyong A correspondence theorem for Galois extensions of rings. (English) Zbl 1176.16018 Int. J. Algebra 3, No. 5-8, 281-286 (2009). MSC: 16S35 16H05 13B05 16W20 16W22 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Int. J. Algebra 3, No. 5--8, 281--286 (2009; Zbl 1176.16018) Full Text: Link OpenURL
Baek, Sanghoon; Merkurjev, Alexander S. Invariants of simple algebras. (English) Zbl 1183.16017 Manuscr. Math. 129, No. 4, 409-421 (2009). Reviewer: Jean-Pierre E. Tignol (Louvain-La-Neuve) MSC: 16K20 12G05 PDF BibTeX XML Cite \textit{S. Baek} and \textit{A. S. Merkurjev}, Manuscr. Math. 129, No. 4, 409--421 (2009; Zbl 1183.16017) Full Text: DOI OpenURL
Szeto, George; Xue, Lianyong On Hirata separable Galois extensions. (English) Zbl 1192.16041 Sci. Math. Jpn. 69, No. 3, 405-410 (2009). Reviewer: Michael Dokuchaev (São Paulo) MSC: 16W22 16H05 16S35 13B05 16W20 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Sci. Math. Jpn. 69, No. 3, 405--410 (2009; Zbl 1192.16041) Full Text: Link OpenURL
Szeto, George; Xue, Lianyong On projective group rings with an inner automorphism group. (English) Zbl 1179.16010 Far East J. Math. Sci. (FJMS) 31, No. 1, 1-8 (2008). Reviewer: Nako Nachev (Plovdiv) MSC: 16S35 13B05 16H05 16W22 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Far East J. Math. Sci. (FJMS) 31, No. 1, 1--8 (2008; Zbl 1179.16010) Full Text: Link OpenURL
Xue, Lianyong On certain correspondences of separable extensions in a commutator Galois extension. (English) Zbl 1168.16012 East-West J. Math. Spec. Vol., 33-43 (2008). MSC: 16S35 16H05 13B05 16W20 16W22 PDF BibTeX XML Cite \textit{L. Xue}, East-West J. Math., 33--43 (2008; Zbl 1168.16012) OpenURL
Szeto, George On indecomposable separable algebras with a finite automorphism group. (English) Zbl 1161.16021 Int. Math. Forum 3, No. 21-24, 1157-1163 (2008). MSC: 16S35 16H05 13B05 16W20 16W22 PDF BibTeX XML Cite \textit{G. Szeto}, Int. Math. Forum 3, No. 21--24, 1157--1163 (2008; Zbl 1161.16021) Full Text: Link OpenURL
Szeto, George; Xue, Lianyong On Galois extensions of a separable algebra. (English) Zbl 1158.16015 Int. Math. Forum 3, No. 13-16, 677-683 (2008). Reviewer: Toma Albu (Bucureşti) MSC: 16S35 16H05 13B05 16W20 16W22 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Int. Math. Forum 3, No. 13--16, 677--683 (2008; Zbl 1158.16015) OpenURL
Underwood, Robert G. Realizable Hopf orders in \(KC_{p^3}\). (English) Zbl 1148.16020 J. Algebra 319, No. 11, 4426-4455 (2008). Reviewer: Wolfgang Rump (Stuttgart) MSC: 16H05 16W30 16S34 12F10 PDF BibTeX XML Cite \textit{R. G. Underwood}, J. Algebra 319, No. 11, 4426--4455 (2008; Zbl 1148.16020) Full Text: DOI OpenURL
Kadison, Lars Anchor maps and stable modules in depth two. (English) Zbl 1170.16030 Appl. Categ. Struct. 16, No. 1-2, 141-157 (2008). MSC: 16W30 16D90 16L60 16H05 13B05 17B37 PDF BibTeX XML Cite \textit{L. Kadison}, Appl. Categ. Struct. 16, No. 1--2, 141--157 (2008; Zbl 1170.16030) Full Text: DOI arXiv OpenURL
Jiang, Xiaolong; Szeto, George; Xue, Lianyong On Galois algebras with a unique Galois group. (English) Zbl 1172.16014 Int. J. Math. Sci. 6, No. 2, 139-147 (2007). Reviewer: Toma Albu (Bucureşti) MSC: 16S35 16W20 16H05 13B05 16W22 PDF BibTeX XML Cite \textit{X. Jiang} et al., Int. J. Math. Sci. 6, No. 2, 139--147 (2007; Zbl 1172.16014) OpenURL
Szeto, George; Xue, Lianyong On a composition of Galois extensions. (English) Zbl 1160.16017 Int. J. Pure Appl. Math. 39, No. 4, 527-534 (2007). MSC: 16S35 16W20 16H05 16W22 13B05 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Int. J. Pure Appl. Math. 39, No. 4, 527--534 (2007; Zbl 1160.16017) OpenURL
Szeto, George; Xue, Lianyong On Galois algebras satisfying the fundamental theorem. (English) Zbl 1131.13007 Commun. Algebra 35, No. 12, 3979-3985 (2007). Reviewer: Iuliu Crivei (Cluj-Napoca) MSC: 13B05 16W20 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Commun. Algebra 35, No. 12, 3979--3985 (2007; Zbl 1131.13007) Full Text: DOI OpenURL
Szeto, George; Xue, Lianyong On Galois extensions satisfying the fundamental theorem. (English) Zbl 1156.16020 Int. Math. Forum 2, No. 33-36, 1773-1777 (2007). Reviewer: Wolfgang Rump (Stuttgart) MSC: 16S35 16W20 16W22 16H05 13B05 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Int. Math. Forum 2, No. 33--36, 1773--1777 (2007; Zbl 1156.16020) Full Text: DOI OpenURL
Childs, Lindsay N. Some Hopf Galois structures arising from elementary Abelian \(p\)-groups. (English) Zbl 1128.16022 Proc. Am. Math. Soc. 135, No. 11, 3453-3460 (2007). Reviewer: George Szeto (Peoria) MSC: 16W30 12F10 16H05 14L05 PDF BibTeX XML Cite \textit{L. N. Childs}, Proc. Am. Math. Soc. 135, No. 11, 3453--3460 (2007; Zbl 1128.16022) Full Text: DOI OpenURL
Nuss, Philippe Galois-Azumaya extensions and the Brauer-Galois group of a commutative ring. (English) Zbl 1135.16021 Bull. Belg. Math. Soc. - Simon Stevin 13, No. 2, 247-270 (2006). Reviewer: George Szeto (Peoria) MSC: 16H05 16K50 13B05 19C30 16W22 16W20 PDF BibTeX XML Cite \textit{P. Nuss}, Bull. Belg. Math. Soc. - Simon Stevin 13, No. 2, 247--270 (2006; Zbl 1135.16021) Full Text: arXiv OpenURL
Xue, Lianyong On characterizations of a commutator Galois extension. (English) Zbl 1120.16024 JP J. Algebra Number Theory Appl. 6, No. 3, 597-607 (2006). MSC: 16S35 16W20 16H05 16W22 PDF BibTeX XML Cite \textit{L. Xue}, JP J. Algebra Number Theory Appl. 6, No. 3, 597--607 (2006; Zbl 1120.16024) OpenURL
Kadison, Lars; Külshammer, Burkhard Depth two, normality, and a trace ideal condition for Frobenius extensions. (English) Zbl 1115.16020 Commun. Algebra 34, No. 9, 3103-3122 (2006). Reviewer: Margaret Beattie (Sackville) MSC: 16W30 16H05 20C05 13B05 PDF BibTeX XML Cite \textit{L. Kadison} and \textit{B. Külshammer}, Commun. Algebra 34, No. 9, 3103--3122 (2006; Zbl 1115.16020) Full Text: DOI arXiv OpenURL
Azumaya, Goro; Szeto, George; Xue, Lianyong On algebras arising from the elements of a Galois group for a Galois algebra. (English) Zbl 1101.16017 Sci. Math. Jpn. 63, No. 2, 191-203 (2006). MSC: 16S35 16W20 16H05 16W22 PDF BibTeX XML Cite \textit{G. Azumaya} et al., Sci. Math. Jpn. 63, No. 2, 191--203 (2006; Zbl 1101.16017) OpenURL
Underwood, Robert G.; Childs, Lindsay N. Duality for Hopf orders. (English) Zbl 1084.16013 Trans. Am. Math. Soc. 358, No. 3, 1117-1163 (2006). Reviewer: Cornelius Greither (Neubiberg) MSC: 16H05 16W30 16S34 16D70 14L05 12F10 PDF BibTeX XML Cite \textit{R. G. Underwood} and \textit{L. N. Childs}, Trans. Am. Math. Soc. 358, No. 3, 1117--1163 (2006; Zbl 1084.16013) Full Text: DOI OpenURL
Xue, Lianyong On Azumaya invariant subrings of a Galois extension. (English) Zbl 1266.16024 Int. J. Math. Sci. 4, No. 2, 217-224 (2005). MSC: 16S35 16W20 13B05 16H05 16W22 PDF BibTeX XML Cite \textit{L. Xue}, Int. J. Math. Sci. 4, No. 2, 217--224 (2005; Zbl 1266.16024) OpenURL
Kadison, Lars Depth two and the Galois coring. (English) Zbl 1102.16023 Fuchs, Jürgen (ed.) et al., Noncommutative geometry and representation theory in mathematical physics. Satellite conference to the fourth European congress of mathematics, July 5–10, 2004, Karlstad, Sweden. Providence, RI: American Mathematical Society (AMS) (ISBN 0-8218-3718-4/pbk). Contemporary Mathematics 391, 149-156 (2005). MSC: 16W30 16H05 16L60 PDF BibTeX XML Cite \textit{L. Kadison}, Contemp. Math. 391, 149--156 (2005; Zbl 1102.16023) Full Text: arXiv OpenURL
Kadison, Lars Hopf algebroids and Galois extensions. (English) Zbl 1105.16037 Bull. Belg. Math. Soc. - Simon Stevin 12, No. 2, 275-293 (2005). MSC: 16W30 16H05 13B02 46L37 PDF BibTeX XML Cite \textit{L. Kadison}, Bull. Belg. Math. Soc. - Simon Stevin 12, No. 2, 275--293 (2005; Zbl 1105.16037) Full Text: arXiv Euclid OpenURL
Szeto, George; Xue, Lianyong On center Hopf Galois extensions. (English) Zbl 1087.16022 JP J. Algebra Number Theory Appl. 5, No. 3, 491-501 (2005). MSC: 16W22 16S35 16W30 16H05 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, JP J. Algebra Number Theory Appl. 5, No. 3, 491--501 (2005; Zbl 1087.16022) OpenURL
Szeto, George; Xue, Lianyong The Galois algebra with Galois group which is the automorphism group. (English) Zbl 1114.16029 J. Algebra 293, No. 1, 312-318 (2005). MSC: 16W20 16S35 16W22 16H05 16U70 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, J. Algebra 293, No. 1, 312--318 (2005; Zbl 1114.16029) Full Text: DOI OpenURL
Xue, Lianyong On Azumaya commutator Hopf Galois extensions. (English) Zbl 1077.16042 Southeast Asian Bull. Math. 29, No. 2, 409-413 (2005). MSC: 16W30 16H05 16S40 16W22 PDF BibTeX XML Cite \textit{L. Xue}, Southeast Asian Bull. Math. 29, No. 2, 409--413 (2005; Zbl 1077.16042) OpenURL
Lundström, Patrik Crossed product algebras defined by separable extensions. (English) Zbl 1070.16020 J. Algebra 283, No. 2, 723-737 (2005). Reviewer: Constantin Năstăsescu (Bucureşti) MSC: 16H05 16S35 16K20 12F10 16W50 PDF BibTeX XML Cite \textit{P. Lundström}, J. Algebra 283, No. 2, 723--737 (2005; Zbl 1070.16020) Full Text: DOI OpenURL
Szeto, George; Xue, Lianyong On a generalization of the DeMeyer theorem for Galois algebras. (English) Zbl 1328.16019 Lin, Chang-Shou (ed.) et al., Second international congress of Chinese mathematicians. Proceedings of the congress (ICCM2001), Taipei, Taiwan, December 17–22, 2001. Somerville: International Press (ISBN 1-57146-155-8/hbk). New Studies in Advanced Mathematics 4, 665-669 (2004). MSC: 16W22 13B05 16H05 16S35 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, in: Second international congress of Chinese mathematicians. Proceedings of the congress (ICCM2001), Taipei, Taiwan, December 17--22, 2001. Somerville: International Press. 665--669 (2004; Zbl 1328.16019) OpenURL
Szeto, George; Xue, Lianyong On a class of separable Hopf Galois extensions. (English) Zbl 1067.16060 Int. J. Math. Sci. 3, No. 1, 13-19 (2004). MSC: 16W30 16H05 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Int. J. Math. Sci. 3, No. 1, 13--19 (2004; Zbl 1067.16060) OpenURL
Szeto, George; Xue, Lianyong On separable subalgebras of a Hopf Galois Azumaya extension. (English) Zbl 1065.16035 JP J. Algebra Number Theory Appl. 4, No. 2, 311-322 (2004). MSC: 16W30 16H05 16S35 16W22 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, JP J. Algebra Number Theory Appl. 4, No. 2, 311--322 (2004; Zbl 1065.16035) OpenURL
Miyata, Yoshimasa Maximal tame extensions over Hopf orders in rings of integers of \(\mathfrak p\)-adic number fields. (English) Zbl 1060.16022 J. Algebra 276, No. 2, 794-825 (2004). Reviewer: Cornelius Greither (Neubiberg) MSC: 16H05 11S45 11S15 PDF BibTeX XML Cite \textit{Y. Miyata}, J. Algebra 276, No. 2, 794--825 (2004; Zbl 1060.16022) Full Text: DOI OpenURL
Byott, Nigel P. Monogenic Hopf orders and associated orders of valuation rings. (English) Zbl 1128.16303 J. Algebra 275, No. 2, 575-599 (2004). MSC: 16W30 16H05 14L05 PDF BibTeX XML Cite \textit{N. P. Byott}, J. Algebra 275, No. 2, 575--599 (2004; Zbl 1128.16303) Full Text: DOI OpenURL
Szeto, George; Xue, Lianyong The commutator Hopf Galois extensions. (English) Zbl 1067.16061 Algebra Discrete Math. 2003, No. 3, 89-94 (2003). MSC: 16W30 16H05 16W22 16S40 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Algebra Discrete Math. 2003, No. 3, 89--94 (2003; Zbl 1067.16061) OpenURL
Szeto, George; Xue, Lianyong The Demeyer-Kanzaki Galois extension and its skew group ring. (English) Zbl 1048.16017 Glas. Mat., III. Ser. 38, No. 2, 263-268 (2003). MSC: 16W20 16S35 16W22 16H05 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Glas. Mat., III. Ser. 38, No. 2, 263--268 (2003; Zbl 1048.16017) Full Text: DOI Link Link OpenURL
Wu, Zhixiang The \(Gs\)-Galois extensions. (Chinese. English summary) Zbl 1057.16024 Chin. Ann. Math., Ser. A 24, No. 5, 647-654 (2003). MSC: 16S35 16W22 16H05 PDF BibTeX XML Cite \textit{Z. Wu}, Chin. Ann. Math., Ser. A 24, No. 5, 647--654 (2003; Zbl 1057.16024) OpenURL
Szeto, George; Xue, Lianyong On a class of Azumaya Galois extensions. (English) Zbl 1060.16028 Shum, K. P. (ed.) et al., Advances in algebra. Proceedings of the ICM satellite conference in algebra and related topics, Hong Kong, China, August 14–17, 2002. River Edge, NJ: World Scientific (ISBN 981-238-260-7/hbk). 477-485 (2003). MSC: 16S35 16W20 16W22 16H05 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, in: Advances in algebra. Proceedings of the ICM satellite conference in algebra and related topics, Hong Kong, China, August 14--17, 2002. River Edge, NJ: World Scientific. 477--485 (2003; Zbl 1060.16028) OpenURL
Szeto, George; Xue, Lianyong On Hopf Galois Hirata extensions. (English) Zbl 1034.16041 Int. J. Math. Math. Sci. 2003, No. 64, 4033-4039 (2003). MSC: 16W30 16H05 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Int. J. Math. Math. Sci. 2003, No. 64, 4033--4039 (2003; Zbl 1034.16041) Full Text: DOI EuDML OpenURL
Szeto, George; Xue, Lianyong On Hopf DeMeyer-Kanzaki Galois extensions. (English) Zbl 1019.16027 Int. J. Math. Math. Sci. 2003, No. 26, 1627-1632 (2003). MSC: 16W30 16H05 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Int. J. Math. Math. Sci. 2003, No. 26, 1627--1632 (2003; Zbl 1019.16027) Full Text: DOI EuDML OpenURL
Szeto, George; Xue, Lianyong The invariant subrings of an Azumaya Galois extension. (English) Zbl 1045.16013 Southeast Asian Bull. Math. 26, No. 4, 679-684 (2002). MSC: 16S35 16W20 16H05 16W22 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Southeast Asian Bull. Math. 26, No. 4, 679--684 (2002; Zbl 1045.16013) Full Text: DOI OpenURL
Szeto, George; Xue, Lianyong On some correspondence relations of an Azumaya algebra with a finite automorphism group. (English) Zbl 1033.16010 Far East J. Math. Sci. (FJMS) 7, No. 2, 223-232 (2002). MSC: 16S35 16H05 16W20 16W22 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Far East J. Math. Sci. (FJMS) 7, No. 2, 223--232 (2002; Zbl 1033.16010) OpenURL
Szeto, George; Xue, Lianyong Notes on Galois algebras. (English) Zbl 1005.16026 Glas. Mat., III. Ser. 37, No. 1, 13-19 (2002). MSC: 16S35 16W20 16H05 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Glas. Mat., III. Ser. 37, No. 1, 13--19 (2002; Zbl 1005.16026) OpenURL
Xue, Lianyong The invariant subrings of DeMeyer-Kanzaki Galois extensions. (English) Zbl 1003.16021 Port. Math. (N.S.) 59, No. 1, 37-45 (2002). MSC: 16S35 16W22 16W20 16H05 PDF BibTeX XML Cite \textit{L. Xue}, Port. Math. (N.S.) 59, No. 1, 37--45 (2002; Zbl 1003.16021) Full Text: EuDML OpenURL
Szeto, George; Xue, Lianyong On Azumaya automorphism extensions of rings. (English) Zbl 1003.16020 Sci. Math. Jpn. 55, No. 3, 555-561 (2002). MSC: 16S35 16W20 16H05 16W22 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Sci. Math. Jpn. 55, No. 3, 555--561 (2002; Zbl 1003.16020) OpenURL
Szeto, George; Xue, Lianyong The Galois algebras and the Azumaya Galois extensions. (English) Zbl 1001.16017 Int. J. Math. Math. Sci. 31, No. 1, 37-42 (2002). MSC: 16S35 16W20 16H05 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Int. J. Math. Math. Sci. 31, No. 1, 37--42 (2002; Zbl 1001.16017) Full Text: DOI EuDML Link OpenURL
Szeto, George; Xue, Lianyong The Galois extensions induced by idempotents in a Galois algebra. (English) Zbl 1001.16016 Int. J. Math. Math. Sci. 29, No. 7, 375-380 (2002). MSC: 16S35 16W20 16H05 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Int. J. Math. Math. Sci. 29, No. 7, 375--380 (2002; Zbl 1001.16016) Full Text: DOI EuDML Link OpenURL
Kadison, Lars; Nikshych, Dmitri Outer actions of centralizer Hopf algebras on separable extensions. (English) Zbl 1010.16037 Commun. Algebra 30, No. 1, 383-410 (2002). Reviewer: Margaret Beattie (Sackville) MSC: 16W30 16H05 16S40 PDF BibTeX XML Cite \textit{L. Kadison} and \textit{D. Nikshych}, Commun. Algebra 30, No. 1, 383--410 (2002; Zbl 1010.16037) Full Text: DOI OpenURL
Kauta, John S. Crossed product orders over valuation rings. (English) Zbl 1029.16012 Bull. Lond. Math. Soc. 33, No. 5, 520-526 (2001). Reviewer: John S.Kauta (Brunei) MSC: 16H05 16S35 PDF BibTeX XML Cite \textit{J. S. Kauta}, Bull. Lond. Math. Soc. 33, No. 5, 520--526 (2001; Zbl 1029.16012) Full Text: DOI OpenURL
Szeto, George; Xue, Lianyong The generalized center Galois extensions of rings. (English) Zbl 1003.16019 Southeast Asian Bull. Math. 25, No. 2, 313-320 (2001). MSC: 16S35 16W20 16H05 16W22 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Southeast Asian Bull. Math. 25, No. 2, 313--320 (2001; Zbl 1003.16019) Full Text: DOI OpenURL
Kadison, Lars Note on Miyashita-Ulbrich action and \(H\)-separable extension. (English) Zbl 1005.16036 Hokkaido Math. J. 30, No. 3, 689-695 (2001). Reviewer: H.F.Kreimer (Tallahassee) MSC: 16W30 16H05 PDF BibTeX XML Cite \textit{L. Kadison}, Hokkaido Math. J. 30, No. 3, 689--695 (2001; Zbl 1005.16036) Full Text: DOI OpenURL
Szeto, George; Xue, Lianyong On splitting rings for Azumaya skew polynomial rings. (English) Zbl 0998.16022 Algebra Colloq. 8, No. 1, 25-32 (2001). Reviewer: Toma Albu (Ankara) MSC: 16S36 16H05 13B05 16W20 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Algebra Colloq. 8, No. 1, 25--32 (2001; Zbl 0998.16022) OpenURL
Szeto, George; Xue, Lianyong On certain classes of Galois extensions of rings. (English) Zbl 1005.16025 Int. J. Math. Math. Sci. 25, No. 5, 315-321 (2001). Reviewer: Toma Albu (Ankara) MSC: 16S35 16W20 16H05 16W22 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Int. J. Math. Math. Sci. 25, No. 5, 315--321 (2001; Zbl 1005.16025) Full Text: DOI EuDML OpenURL
Choi, E.; Lee, H. The crossed product theorem for projective Schur algebras. (English) Zbl 0977.16007 Glasg. Math. J. 43, No. 1, 135-143 (2001). Reviewer: Yu.N.Mal’tsev (Barnaul) MSC: 16K50 16H05 16K20 16E40 16S35 PDF BibTeX XML Cite \textit{E. Choi} and \textit{H. Lee}, Glasg. Math. J. 43, No. 1, 135--143 (2001; Zbl 0977.16007) OpenURL
Szeto, George; Xue, Lianyong On splitting rings for Azumaya skew group rings. (English) Zbl 1212.16048 Mat. Vesn. 52, No. 3-4, 63-69 (2000). Reviewer: Zoran Petrović (Beograd) MSC: 16S35 16W22 16H05 16W20 13B02 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Mat. Vesn. 52, No. 3--4, 63--69 (2000; Zbl 1212.16048) OpenURL
Brzeziński, Tomasz Coalgebra-Galois extensions from the extension theory point of view. (English) Zbl 1015.16037 Caenepeel, Stefaan (ed.) et al., Hopf algebras and quantum groups. Proceedings of the Brussels conference, Brussels, Belgium. New York, NY: Marcel Dekker. Lect. Notes Pure Appl. Math. 209, 47-68 (2000). Reviewer: Constantin Năstăsescu (Bucureşti) MSC: 16W30 16H05 16D90 PDF BibTeX XML Cite \textit{T. Brzeziński}, Lect. Notes Pure Appl. Math. 209, 47--68 (2000; Zbl 1015.16037) Full Text: arXiv OpenURL
Szeto, George; Xue, Lianyong Some correspondences for a center Galois extension. (English) Zbl 1003.16017 Math. Jap. 52, No. 3, 463-468 (2000). MSC: 16S35 16W20 16H05 16W22 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Math. Japon. 52, No. 3, 463--468 (2000; Zbl 1003.16017) OpenURL
Szeto, George; Xue, Lianyong The fundamental theorem for Azumaya automorphism and Galois extensions of rings. (English) Zbl 0998.16025 Far East J. Math. Sci. (FJMS) 2, No. 5, 809-818 (2000). MSC: 16W20 16H05 16W22 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Far East J. Math. Sci. (FJMS) 2, No. 5, 809--818 (2000; Zbl 0998.16025) OpenURL
Caenepeel, S. The Brauer-Long group revisited: The multiplication rules. (English) Zbl 0970.16018 Boulagouaz, M’hammed (ed.) et al., Algebra and number theory. Proceedings of a conference, Fez, Morocco. New York, NY: Marcel Dekker. Lect. Notes Pure Appl. Math. 208, 61-86 (2000). Reviewer: Margaret Beattie (Sackville) MSC: 16W30 16H05 16K50 16S40 PDF BibTeX XML Cite \textit{S. Caenepeel}, Lect. Notes Pure Appl. Math. 208, 61--86 (2000; Zbl 0970.16018) OpenURL
Szeto, George; Xue, Lianyong On central commutator Galois extensions of rings. (English) Zbl 1003.16018 Int. J. Math. Math. Sci. 24, No. 5, 289-294 (2000). Reviewer: Iuliu Crivei (Cluj-Napoca) MSC: 16S35 16W22 16H05 16W20 PDF BibTeX XML Cite \textit{G. Szeto} and \textit{L. Xue}, Int. J. Math. Math. Sci. 24, No. 5, 289--294 (2000; Zbl 1003.16018) Full Text: DOI EuDML OpenURL