Edwards, Harold M. Essays in constructive mathematics (to appear). 2nd edition. (English) Zbl 07529464 New York, NY: Springer (ISBN 978-3-030-98557-8/hbk). xiii, 322 p. (2022). MSC: 11-01 12-01 14-01 PDF BibTeX XML Cite \textit{H. M. Edwards}, Essays in constructive mathematics (to appear). 2nd edition. New York, NY: Springer (2022; Zbl 07529464) OpenURL
Bani-Ata, Mashhour Quadratic forms on the 27-dimensional modules for \(E_6\) in characteristic two. (English) Zbl 07477326 J. Lie Theory 32, No. 1, 075-086 (2022). MSC: 17A75 17A45 17B25 PDF BibTeX XML Cite \textit{M. Bani-Ata}, J. Lie Theory 32, No. 1, 075--086 (2022; Zbl 07477326) Full Text: Link OpenURL
Hoffmann, Detlev W. Splitting of quadratic Pfister forms over purely inseparable extensions in characteristic 2. (English) Zbl 07473024 J. Algebra 596, 311-327 (2022). Reviewer: Albrecht Pfister (Mainz) MSC: 11E04 11E81 12F15 16H05 16K20 17A35 17A75 PDF BibTeX XML Cite \textit{D. W. Hoffmann}, J. Algebra 596, 311--327 (2022; Zbl 07473024) Full Text: DOI OpenURL
Zemková, Kristýna Composition of binary quadratic forms over number fields. (English) Zbl 07455214 Math. Slovaca 71, No. 6, 1339-1360 (2021). Reviewer: Meinhard Peters (Münster) MSC: 11E16 11E04 11R04 PDF BibTeX XML Cite \textit{K. Zemková}, Math. Slovaca 71, No. 6, 1339--1360 (2021; Zbl 07455214) Full Text: DOI arXiv OpenURL
Shapiro, Daniel B. Construction of identities for sums of squares. (English) Zbl 1480.11044 Bol. Soc. Mat. Mex., III. Ser. 27, No. 2, Paper No. 42, 5 p. (2021). Reviewer: Cherng-tiao Perng (Norfolk) MSC: 11E25 11E04 15A63 PDF BibTeX XML Cite \textit{D. B. Shapiro}, Bol. Soc. Mat. Mex., III. Ser. 27, No. 2, Paper No. 42, 5 p. (2021; Zbl 1480.11044) Full Text: DOI arXiv OpenURL
Street, Ross Vector product and composition algebras in braided monoidal additive categories. (English) Zbl 07177891 Commentat. Math. Univ. Carol. 60, No. 4, 581-604 (2019). MSC: 18M15 15A03 17A75 11E20 PDF BibTeX XML Cite \textit{R. Street}, Commentat. Math. Univ. Carol. 60, No. 4, 581--604 (2019; Zbl 07177891) Full Text: DOI arXiv OpenURL
Flaut, Cristina Some remarks about the levels and sublevels of algebras obtained by the Cayley-Dickson process. (English) Zbl 1456.17006 Algebr. Represent. Theory 22, No. 3, 651-663 (2019). Reviewer: Detlev Hoffmann (Dortmund) MSC: 17A35 11E04 11E25 17A20 17A45 17A75 PDF BibTeX XML Cite \textit{C. Flaut}, Algebr. Represent. Theory 22, No. 3, 651--663 (2019; Zbl 1456.17006) Full Text: DOI arXiv OpenURL
Chamseddine, Riad Einstein law of composition of three non-collinear velocities and its dependence on Thomas rotation: application to light aberration. (English) Zbl 1421.83147 Eur. J. Phys. 39, No. 6, Article ID 065601, 14 p. (2018). MSC: 83F05 22E43 78A40 11E12 PDF BibTeX XML Cite \textit{R. Chamseddine}, Eur. J. Phys. 39, No. 6, Article ID 065601, 14 p. (2018; Zbl 1421.83147) Full Text: DOI OpenURL
Blunck, Andrea; Knarr, Norbert; Stroppel, Bernhild; Stroppel, Markus J. Clifford parallelisms defined by octonions. (English) Zbl 1400.51002 Monatsh. Math. 187, No. 3, 437-458 (2018). MSC: 51A15 17A75 51A05 51A10 51J15 11E04 PDF BibTeX XML Cite \textit{A. Blunck} et al., Monatsh. Math. 187, No. 3, 437--458 (2018; Zbl 1400.51002) Full Text: DOI OpenURL
Knarr, Norbert; Stroppel, Markus J. Subforms of norm forms of octonion fields. (English) Zbl 1441.11070 Arch. Math. 110, No. 3, 213-224 (2018). MSC: 11E04 17A75 PDF BibTeX XML Cite \textit{N. Knarr} and \textit{M. J. Stroppel}, Arch. Math. 110, No. 3, 213--224 (2018; Zbl 1441.11070) Full Text: DOI OpenURL
Skowroński, Andrzej; Yamagata, Kunio Frobenius algebras. II: Tilted and Hochschild extension algebras. (English) Zbl 1378.16001 EMS Textbooks in Mathematics. Zürich: European Mathematical Society (EMS) (ISBN 978-3-03719-174-3/hbk; 978-3-03719-674-8/ebook). x, 619 p. (2017). Reviewer: Jörg Feldvoss (Mobile) MSC: 16-01 16G10 16G20 16G60 16G70 13E10 15A63 15A69 16D50 16D90 16D99 16E10 16E30 16E40 16S50 16S70 18A25 PDF BibTeX XML Cite \textit{A. Skowroński} and \textit{K. Yamagata}, Frobenius algebras. II: Tilted and Hochschild extension algebras. Zürich: European Mathematical Society (EMS) (2017; Zbl 1378.16001) Full Text: DOI OpenURL
O’Dorney, Evan M. Rings of small rank over a Dedekind domain and their ideals. (English) Zbl 1352.13011 Res. Math. Sci. 3, Paper No. 8, 36 p. (2016). Reviewer: Manouchehr Misaghian (Prairie View) MSC: 13F05 11E20 11R11 11R16 11E16 13A15 PDF BibTeX XML Cite \textit{E. M. O'Dorney}, Res. Math. Sci. 3, Paper No. 8, 36 p. (2016; Zbl 1352.13011) Full Text: DOI OpenURL
Dieterich, Ernst Trace invariants of finite-dimensional algebras. (English) Zbl 1346.17001 Commun. Algebra 44, No. 5, 1852-1881 (2016). Reviewer: Alberto Elduque (Zaragoza) MSC: 17A01 17A35 15A21 15A63 17A45 17A75 18B15 18B40 PDF BibTeX XML Cite \textit{E. Dieterich}, Commun. Algebra 44, No. 5, 1852--1881 (2016; Zbl 1346.17001) Full Text: DOI OpenURL
Shankar, Arul; Wang, Xiaoheng Laws of composition and arithmetic statistics: from Gauss to Bhargava. (English) Zbl 1347.11039 Math. Stud. 84, No. 3-4, 159-171 (2015). MSC: 11E76 11A15 11D25 11D41 11E04 11E08 11E41 PDF BibTeX XML Cite \textit{A. Shankar} and \textit{X. Wang}, Math. Stud. 84, No. 3--4, 159--171 (2015; Zbl 1347.11039) OpenURL
Moreno Cañadas, Agustín; Giraldo, Hernán; Cifuentes Vargas, Veronica Categorification of some integer sequences and higher dimensional partitions. (English) Zbl 1308.05014 Far East J. Math. Sci. (FJMS) 93, No. 2, 133-149 (2014). MSC: 05A17 11D09 11D45 11D85 11E25 11E57 06A07 PDF BibTeX XML Cite \textit{A. Moreno Cañadas} et al., Far East J. Math. Sci. (FJMS) 93, No. 2, 133--149 (2014; Zbl 1308.05014) Full Text: Link OpenURL
Moreno Cañadas, Agustín; Giraldo, Hernán; Fernandéz Espinosa, Pedro Fernando Categorification of some integer sequences. (English) Zbl 1308.05015 Far East J. Math. Sci. (FJMS) 92, No. 2, 125-139 (2014). MSC: 05A17 11D09 11D45 11D85 11E25 11E57 06A07 PDF BibTeX XML Cite \textit{A. Moreno Cañadas} et al., Far East J. Math. Sci. (FJMS) 92, No. 2, 125--139 (2014; Zbl 1308.05015) Full Text: Link OpenURL
Chaktoura, Martin; Szechtman, Fernando Composition series of \(\mathfrak{gl}(m)\) as a module for its classical subalgebras over an arbitrary field. (English) Zbl 1327.17005 J. Lie Theory 24, No. 1, 225-258 (2014). MSC: 17B10 15A63 PDF BibTeX XML Cite \textit{M. Chaktoura} and \textit{F. Szechtman}, J. Lie Theory 24, No. 1, 225--258 (2014; Zbl 1327.17005) Full Text: arXiv Link OpenURL
Moreno Cañadas, Agustín; Fernandez Espinosa, Pedro Fernando; Cifuentes Vargas, Veronica On a problem of G. E. Andrews concerning partitions. (English) Zbl 1292.05044 JP J. Algebra Number Theory Appl. 30, No. 2, 131-150 (2013). MSC: 05A17 11D09 11D45 11D85 11E25 11E57 06A07 PDF BibTeX XML Cite \textit{A. Moreno Cañadas} et al., JP J. Algebra Number Theory Appl. 30, No. 2, 131--150 (2013; Zbl 1292.05044) Full Text: Link OpenURL
Godoy Molina, Mauricio; Korolko, Anna; Markina, Irina Sub-semi-Riemannian geometry of general \(H\)-type groups. (English) Zbl 1304.53071 Bull. Sci. Math. 137, No. 6, 805-833 (2013). Reviewer: Peibiao Zhao (Nanjing) MSC: 53C17 22E25 53C50 53B30 PDF BibTeX XML Cite \textit{M. Godoy Molina} et al., Bull. Sci. Math. 137, No. 6, 805--833 (2013; Zbl 1304.53071) Full Text: DOI arXiv OpenURL
Halter-Koch, Franz Quadratic irrationals. An introduction to classical number theory. (English) Zbl 1271.11001 Pure and Applied Mathematics (Boca Raton) 306. Boca Raton, FL: CRC Press (ISBN 978-1-4665-9183-7/hbk; 978-1-4665-9184-4/ebook). xvi, 415 p. (2013). Reviewer: Franz Lemmermeyer (Jagstzell) MSC: 11-01 11R11 11R29 11E16 11A55 11M06 11N05 PDF BibTeX XML Cite \textit{F. Halter-Koch}, Quadratic irrationals. An introduction to classical number theory. Boca Raton, FL: CRC Press (2013; Zbl 1271.11001) Full Text: DOI OpenURL
Hrubeš, P.; Wigderson, A.; Yehudayoff, A. An asymptotic bound on the composition number of integer sums of squares formulas. (English) Zbl 1347.11038 Can. Math. Bull. 56, No. 1, 70-79 (2013). MSC: 11E25 PDF BibTeX XML Cite \textit{P. Hrubeš} et al., Can. Math. Bull. 56, No. 1, 70--79 (2013; Zbl 1347.11038) Full Text: DOI OpenURL
Bondarenko, A. A. Birational composition of ternary quadratic forms. (Russian. English summary) Zbl 1308.11044 Vestn. Beloruss. Gos. Univ., Ser. 1, Fiz. Mat. Inform. 2012, No. 2, 106-110 (2012). MSC: 11E20 15A63 PDF BibTeX XML Cite \textit{A. A. Bondarenko}, Vestn. Beloruss. Gos. Univ., Ser. 1, Fiz. Mat. Inform. 2012, No. 2, 106--110 (2012; Zbl 1308.11044) OpenURL
Matzri, Eliyahu; Vishne, Uzi Isotropic subspaces in symmetric composition algebras and Kummer subspaces in central simple algebras of degree 3. (English) Zbl 1300.17007 Manuscr. Math. 137, No. 3-4, 497-523 (2012). Reviewer: Ivan D. Chipchakov (Sofia) MSC: 17A75 16K20 11E04 PDF BibTeX XML Cite \textit{E. Matzri} and \textit{U. Vishne}, Manuscr. Math. 137, No. 3--4, 497--523 (2012; Zbl 1300.17007) Full Text: DOI OpenURL
Moreno Cañadas, Agustín; Osorio Angarita, María Alejandra On sums of three squares and compositions into squares and triangular numbers. (English) Zbl 1248.11029 JP J. Algebra Number Theory Appl. 23, No. 1, 25-59 (2011). Reviewer: Ahmet Tekcan (Bursa) MSC: 11E25 11E57 11D45 11D85 PDF BibTeX XML Cite \textit{A. Moreno Cañadas} and \textit{M. A. Osorio Angarita}, JP J. Algebra Number Theory Appl. 23, No. 1, 25--59 (2011; Zbl 1248.11029) Full Text: Link OpenURL
Moreno Cañadas, Agustín; Pacheco Pulido, Aída Nelly; Sora Arcos, Adriana María On some higher dimensional compositions. (English) Zbl 1408.05013 JP J. Algebra Number Theory Appl. 21, No. 1, 83-108 (2011). MSC: 05A17 11D09 11D45 11D85 11E25 11E57 06A07 PDF BibTeX XML Cite \textit{A. Moreno Cañadas} et al., JP J. Algebra Number Theory Appl. 21, No. 1, 83--108 (2011; Zbl 1408.05013) Full Text: Link OpenURL
Berkovich, Yakov; Janko, Zvonimir Groups of prime power order. Vol. 3. (English) Zbl 1229.20001 de Gruyter Expositions in Mathematics 56. Berlin: Walter de Gruyter (ISBN 978-3-11-020717-0/hbk; 978-3-11-025448-8/ebook). xxv, 639 p. (2011). Reviewer: R. W. van der Waall (Huizen) MSC: 20-02 20D15 20E07 20D25 00A07 PDF BibTeX XML Cite \textit{Y. Berkovich} and \textit{Z. Janko}, Groups of prime power order. Vol. 3. Berlin: Walter de Gruyter (2011; Zbl 1229.20001) Full Text: DOI OpenURL
O’Shea, James Bounds on the levels of composition algebras. (English) Zbl 1276.17001 Math. Proc. R. Ir. Acad. 110A, No. 1, 21-30 (2010). Reviewer: Susanne Pumplün (Nottingham) MSC: 17A35 11E81 PDF BibTeX XML Cite \textit{J. O'Shea}, Math. Proc. R. Ir. Acad. 110A, No. 1, 21--30 (2010; Zbl 1276.17001) Full Text: DOI OpenURL
Moreno Cañadas, Agustín; Osorio Angarita, María Alejandra; Pacheco Pulido, Aída Nelly; Sora Arcos, Adriana María On some linear extensions of a poset and compositions of multipartite numbers. (English) Zbl 1218.05023 JP J. Algebra Number Theory Appl. 18, No. 2, 97-123 (2010). MSC: 05A17 11D09 11D45 11D85 11E25 11E57 PDF BibTeX XML Cite \textit{A. Moreno Cañadas} et al., JP J. Algebra Number Theory Appl. 18, No. 2, 97--123 (2010; Zbl 1218.05023) Full Text: Link OpenURL
Moreno Cañadas, Agustín; Irlande, Alexis On partitions into figurate numbers and compositions of multipartite numbers. (English) Zbl 1221.05020 JP J. Algebra Number Theory Appl. 17, No. 2, 173-208 (2010). Reviewer: Victor J. W. Guo (Shanghai) MSC: 11E25 05A17 11D25 11D45 11P83 PDF BibTeX XML Cite \textit{A. Moreno Cañadas} and \textit{A. Irlande}, JP J. Algebra Number Theory Appl. 17, No. 2, 173--208 (2010; Zbl 1221.05020) Full Text: Link OpenURL
Tkachev, Vladimir G. A generalization of Cartan’s theorem on isoparametric cubics. (English) Zbl 1194.53052 Proc. Am. Math. Soc. 138, No. 8, 2889-2895 (2010). MSC: 53C42 35F20 17A35 15A63 17A75 PDF BibTeX XML Cite \textit{V. G. Tkachev}, Proc. Am. Math. Soc. 138, No. 8, 2889--2895 (2010; Zbl 1194.53052) Full Text: DOI arXiv OpenURL
Johnson, A.; Pumplün, S. Anisotropic forms of higher degree under finite dimensional field extensions. (English) Zbl 1246.11095 Commun. Algebra 38, No. 6, 2064-2078 (2010). Reviewer: Robert Fitzgerald (Carbondale) MSC: 11E76 12E05 11E04 PDF BibTeX XML Cite \textit{A. Johnson} and \textit{S. Pumplün}, Commun. Algebra 38, No. 6, 2064--2078 (2010; Zbl 1246.11095) Full Text: DOI OpenURL
Li, Chao; Li, Qiang; Ling, San On the constructions of constant-composition codes from perfect nonlinear functions. (English) Zbl 1191.94127 Sci. China, Ser. F 52, No. 6, 964-973 (2009). MSC: 94B25 05B10 PDF BibTeX XML Cite \textit{C. Li} et al., Sci. China, Ser. F 52, No. 6, 964--973 (2009; Zbl 1191.94127) Full Text: DOI OpenURL
Earnest, A. G.; Fitzgerald, Robert W. Multiplicative properties of integral binary quadratic forms. (English) Zbl 1234.11042 Baeza, Ricardo (ed.) et al., Quadratic forms – algebra, arithmetic, and geometry. Based on the international conference on the algebraic and arithmetic theory of quadratic forms, Frutillar, Chile, December 13–19, 2007. Providence, RI: American Mathematical Society (AMS) (ISBN 978-0-8218-4648-3/pbk). Contemporary Mathematics 493, 107-115 (2009). Reviewer: Meinhard Peters (Münster) MSC: 11E16 11E41 11E12 11R29 PDF BibTeX XML Cite \textit{A. G. Earnest} and \textit{R. W. Fitzgerald}, Contemp. Math. 493, 107--115 (2009; Zbl 1234.11042) OpenURL
Fitzgerald, R. W.; Pumplün, S. Norm principles for forms of higher degree permitting composition. (English) Zbl 1244.11037 Commun. Algebra 37, No. 11, 3851-3860 (2009). Reviewer: Detlev Hoffmann (Dortmund) MSC: 11E76 11E04 13B40 16K20 PDF BibTeX XML Cite \textit{R. W. Fitzgerald} and \textit{S. Pumplün}, Commun. Algebra 37, No. 11, 3851--3860 (2009; Zbl 1244.11037) Full Text: DOI arXiv Link OpenURL
Ognikyan, A. A. Combinatorial construction of tangent vector fields on spheres. (English. Russian original) Zbl 1169.57026 Math. Notes 83, No. 4, 539-553 (2008); translation from Mat. Zametki 83, No. 4, 590-605 (2008). Reviewer: Rainer Löwen (Braunschweig) MSC: 57R25 17A75 15A63 15A66 PDF BibTeX XML Cite \textit{A. A. Ognikyan}, Math. Notes 83, No. 4, 539--553 (2008; Zbl 1169.57026); translation from Mat. Zametki 83, No. 4, 590--605 (2008) Full Text: DOI OpenURL
Pumplün, S. On flexible quadratic algebras. (English) Zbl 1164.17008 Acta Math. Hung. 119, No. 4, 323-332 (2008). Reviewer: Vyacheslav A. Artamonov (Moskva) MSC: 17A45 17A20 17A75 11E25 PDF BibTeX XML Cite \textit{S. Pumplün}, Acta Math. Hung. 119, No. 4, 323--332 (2008; Zbl 1164.17008) Full Text: DOI arXiv Link OpenURL
O’Shea, James; Van Geel, Jan Levels and sublevels of composition algebras over \(\mathfrak{p}\)-adic function fields. (English) Zbl 1236.11036 Arch. Math. 91, No. 1, 31-43 (2008). Reviewer: Olaf Ninnemann (Berlin) MSC: 11E04 11E25 17A75 16K20 PDF BibTeX XML Cite \textit{J. O'Shea} and \textit{J. Van Geel}, Arch. Math. 91, No. 1, 31--43 (2008; Zbl 1236.11036) Full Text: DOI OpenURL
Alaca, Şaban; Williams, Kenneth S. Nonexistence of a composition law. (English) Zbl 1227.11059 Math. Mag. 80, No. 2, 142-144 (2007). MSC: 11E25 97F60 PDF BibTeX XML Cite \textit{Ş. Alaca} and \textit{K. S. Williams}, Math. Mag. 80, No. 2, 142--144 (2007; Zbl 1227.11059) Full Text: DOI OpenURL
O’Shea, James Levels and sublevels of composition algebras. (English) Zbl 1152.11017 Indag. Math., New Ser. 18, No. 1, 147-159 (2007); erratum ibid. 21, No. 3-4, 221 (2011). Reviewer: Detlev Hoffmann (Nottingham) MSC: 11E25 11E04 16K20 17A75 PDF BibTeX XML Cite \textit{J. O'Shea}, Indag. Math., New Ser. 18, No. 1, 147--159 (2007; Zbl 1152.11017) Full Text: DOI OpenURL
Bhargava, Manjul Higher composition laws and applications. (English) Zbl 1129.11049 Sanz-Solé, Marta (ed.) et al., Proceedings of the international congress of mathematicians (ICM), Madrid, Spain, August 22–30, 2006. Volume II: Invited lectures. Zürich: European Mathematical Society (EMS) (ISBN 978-3-03719-022-7/hbk). 271-294 (2006). Reviewer: Franz Lemmermeyer (Jagstzell) MSC: 11R29 11R45 11R16 11E12 11E20 11E76 PDF BibTeX XML Cite \textit{M. Bhargava}, in: Proceedings of the international congress of mathematicians (ICM), Madrid, Spain, August 22--30, 2006. Volume II: Invited lectures. Zürich: European Mathematical Society (EMS). 271--294 (2006; Zbl 1129.11049) OpenURL
Bhargava, Manjul The density of discriminants of quartic rings and fields. (English) Zbl 1159.11045 Ann. Math. (2) 162, No. 2, 1031-1063 (2005). Reviewer: Franz Lemmermeyer (Jagstzell) MSC: 11R45 11R16 11R29 PDF BibTeX XML Cite \textit{M. Bhargava}, Ann. Math. (2) 162, No. 2, 1031--1063 (2005; Zbl 1159.11045) Full Text: DOI Euclid OpenURL
Pumplün, S. Sums of squares in octonion algebras. (English) Zbl 1134.17302 Proc. Am. Math. Soc. 133, No. 11, 3143-3152 (2005). MSC: 17A35 17A75 11E25 PDF BibTeX XML Cite \textit{S. Pumplün}, Proc. Am. Math. Soc. 133, No. 11, 3143--3152 (2005; Zbl 1134.17302) Full Text: DOI OpenURL
Pumplün, Susanne Quaternion algebras over curves of genus one without rational points. (English) Zbl 1099.16006 Algebra Colloq. 12, No. 1, 67-92 (2005). Reviewer: Ivan D. Chipchakov (Sofia) MSC: 16H05 17A75 16K20 14F05 11E81 11R52 PDF BibTeX XML Cite \textit{S. Pumplün}, Algebra Colloq. 12, No. 1, 67--92 (2005; Zbl 1099.16006) Full Text: DOI OpenURL
Edwards, Harold M. Essays in constructive mathematics. (English) Zbl 1090.11001 New York, NY: Springer (ISBN 0-387-21978-1/hbk). xx, 211 p. (2005). Reviewer: Franz Lemmermeyer (Bilkent) MSC: 11-01 12-01 14-01 PDF BibTeX XML Cite \textit{H. M. Edwards}, Essays in constructive mathematics. New York, NY: Springer (2005; Zbl 1090.11001) Full Text: DOI OpenURL
Bhargava, Manjul Higher composition laws. II: On cubic analogues of Gauss composition. (English) Zbl 1169.11044 Ann. Math. (2) 159, No. 2, 865-886 (2004). Reviewer: Franz Lemmermeyer (Jagstzell) MSC: 11R11 11R29 11E76 PDF BibTeX XML Cite \textit{M. Bhargava}, Ann. Math. (2) 159, No. 2, 865--886 (2004; Zbl 1169.11044) Full Text: DOI OpenURL
Bhargava, Manjul Gauss composition and generalizations. (English) Zbl 1058.11030 Fieker, Claus (ed.) et al., Algorithmic number theory. 5th international symposium, ANTS-V, Sydney, Australia, July 7–12, 2002. Proceedings. Berlin: Springer (ISBN 3-540-43863-7). Lect. Notes Comput. Sci. 2369, 1-8 (2002). Reviewer: Harvey Cohn (Laguna Woods) MSC: 11E12 11E41 11E76 11H55 11R04 11R29 11Y40 PDF BibTeX XML Cite \textit{M. Bhargava}, Lect. Notes Comput. Sci. 2369, 1--8 (2002; Zbl 1058.11030) Full Text: Link OpenURL
Pumplün, S.; Unger, T. The Hermitian level of composition algebras. (English) Zbl 1037.17007 Manuscr. Math. 109, No. 4, 511-525 (2002). Reviewer: Jean-Pierre E. Tignol (Louvain-La-Neuve) MSC: 17A75 16W10 11E81 PDF BibTeX XML Cite \textit{S. Pumplün} and \textit{T. Unger}, Manuscr. Math. 109, No. 4, 511--525 (2002; Zbl 1037.17007) Full Text: DOI Link OpenURL
Shapiro, Daniel B. Compositions of quadratic forms. (English) Zbl 0954.11011 de Gruyter Expositions in Mathematics. 33. Berlin: Walter de Gruyter. xiii, 417 p. (2000). Reviewer: A.Pfister (Mainz) MSC: 11Exx 11-02 12D15 PDF BibTeX XML Cite \textit{D. B. Shapiro}, Compositions of quadratic forms. Berlin: Walter de Gruyter (2000; Zbl 0954.11011) OpenURL
Rajwade, A. R. Pfister’s work on sums of squares. (English) Zbl 0964.11022 Bambah, R. P. (ed.) et al., Number theory. Basel: Birkhäuser. Trends in Mathematics. 325-349 (2000). Reviewer: A.Pfister (Mainz) MSC: 11E04 11E25 11-02 12D15 PDF BibTeX XML Cite \textit{A. R. Rajwade}, in: Number theory. Basel: Birkhäuser. 325--349 (2000; Zbl 0964.11022) OpenURL
Cleven, Johannes Norms and determinants of quaternionic line bundles. (English) Zbl 0973.17003 Arch. Math. 71, No. 1, 17-21 (1998). MSC: 17A75 11E20 19G12 PDF BibTeX XML Cite \textit{J. Cleven}, Arch. Math. 71, No. 1, 17--21 (1998; Zbl 0973.17003) Full Text: DOI OpenURL
Knus, Max-Albert; Merkurjev, Alexander; Rost, Markus; Tignol, Jean-Pierre [Tits, Jacques] The book of involutions. With a preface by J. Tits. (English) Zbl 0955.16001 Colloquium Publications. American Mathematical Society (AMS). 44. Providence, RI: American Mathematical Society (AMS). xxi, 593 p. (1998). Reviewer: Eva Bayer-Fluckiger (Besançon) MSC: 16-02 11-02 16W10 20-02 12G05 11E39 11E57 11E72 11E88 16K20 17A75 17C40 20G15 PDF BibTeX XML Cite \textit{M.-A. Knus} et al., The book of involutions. With a preface by J. Tits. Providence, RI: American Mathematical Society (1998; Zbl 0955.16001) OpenURL
Gow, Rod; Willems, Wolfgang On the quadratic type of some simple self-dual modules over fields of characteristic two. (English) Zbl 0888.20004 J. Algebra 195, No. 2, 634-649 (1997). Reviewer: B.Külshammer (Jena) MSC: 20C05 20C20 PDF BibTeX XML Cite \textit{R. Gow} and \textit{W. Willems}, J. Algebra 195, No. 2, 634--649 (1997; Zbl 0888.20004) Full Text: DOI OpenURL
Yiu, Paul Y. Some upper bounds for composition numbers. (English) Zbl 0864.11018 Bol. Soc. Mat. Mex., III. Ser. 2, No. 2, 65-77 (1996). Reviewer: A.R.Rajwade (Chandigarh) MSC: 11E25 11C20 PDF BibTeX XML Cite \textit{P. Y. Yiu}, Bol. Soc. Mat. Mex., III. Ser. 2, No. 2, 65--77 (1996; Zbl 0864.11018) OpenURL
Gauchman, Hillel; Toth, Gabor Normed bilinear pairings for semi-Euclidean spaces near the Hurwitz-Radon range. (English) Zbl 0872.15020 Result. Math. 30, No. 3-4, 276-301 (1996). Reviewer: H.-J.Bartels (Mannheim) MSC: 15A63 15A66 11E25 PDF BibTeX XML Cite \textit{H. Gauchman} and \textit{G. Toth}, Result. Math. 30, No. 3--4, 276--301 (1996; Zbl 0872.15020) Full Text: DOI OpenURL
Penner, R. C. The geometry of the Gauss product. (English) Zbl 0865.11031 J. Math. Sci., New York 81, No. 3, 2700-2718 (1996). Reviewer: Thomas Schmidt (Corvallis) MSC: 11E12 30F45 PDF BibTeX XML Cite \textit{R. C. Penner}, J. Math. Sci., New York 81, No. 3, 2700--2718 (1996; Zbl 0865.11031) Full Text: DOI OpenURL
Konguetsof, Leonidas Algebraic structures supplied with generalized composition laws – generalizations of the scalar product. (Structures algébriques munies avec des lois composition généralisées – généralisations du produit scalaire.) (French) Zbl 0902.08002 Bull. Greek Math. Soc. 38, 95-107 (1996). Reviewer: D.Busneag (Craiova) MSC: 08A02 15A63 08A40 08A55 PDF BibTeX XML Cite \textit{L. Konguetsof}, Bull. Greek Math. Soc. 38, 95--107 (1996; Zbl 0902.08002) OpenURL
Szép, J. On a multiplicative structure of real vectors. I. (English) Zbl 0857.20048 PU.M.A., Pure Math. Appl. 6, No. 4, 395-402 (1995). MSC: 20M20 15A63 60E05 08A02 PDF BibTeX XML Cite \textit{J. Szép}, PU.M.A., Pure Math. Appl. 6, No. 4, 395--402 (1995; Zbl 0857.20048) OpenURL
Yiu, Paul Composition of sums of squares with integer coefficients. (English) Zbl 0830.11017 Ławrynowicz, Julian (ed.), Deformations of mathematical structures 2: Hurwitz-type structures and applications to surface physics. Selected papers from the seminar on deformations, Łódź-Malinka, Poland, 1988-1992. Dordrecht: Kluwer Academic Publishers Group. 7-100 (1994). Reviewer: A.Pfister (Mainz) MSC: 11E25 15B36 PDF BibTeX XML Cite \textit{P. Yiu}, in: Deformations of mathematical structures 2: Hurwitz-type structures and applications to surface physics. Selected papers from the seminar on deformations, Łódź-Malinka, Poland, 1988-1992. Dordrecht: Kluwer Academic Publishers Group. 7--100 (1994; Zbl 0830.11017) OpenURL
Bichsel, W.; Knus, M.-A. Quadratic forms with values in line bundles. (English) Zbl 0810.11023 Jacob, William B. (ed.) et al., Recent advances in real algebraic geometry and quadratic forms. Proceedings of the RAGSQUAD year, Berkeley, CA, USA, 1990-1991. Providence, RI: American Mathematical Society. Contemp. Math. 155, 293-306 (1994). Reviewer: M.Kula (Katowice) MSC: 11E88 11E20 11E57 17A75 PDF BibTeX XML Cite \textit{W. Bichsel} and \textit{M. A. Knus}, Contemp. Math. 155, 293--306 (1994; Zbl 0810.11023) OpenURL
Lam, T. Y.; Smith, Tara L. On Yuzvinsky’s monomial pairings. (English) Zbl 0802.11013 Q. J. Math., Oxf. II. Ser. 44, No. 174, 215-237 (1993). Reviewer: A.R.Rajwade (Chandigarh) MSC: 11E04 11E25 PDF BibTeX XML Cite \textit{T. Y. Lam} and \textit{T. L. Smith}, Q. J. Math., Oxf. II. Ser. 44, No. 174, 215--237 (1993; Zbl 0802.11013) Full Text: DOI OpenURL
Ławrynowicz, Julian Clifford analysis and the five-dimensional analogues of the quaternionic structure of the Kałuża-Klein and Penrose types. (English) Zbl 0794.15014 Ławrynowicz, J. (ed.) et al., Proceedings of the 4th Finnish-Polish summer school in complex analysis at Jyväskylä, Finland, August 17-20, 1992. Jyväskylä: Univ., Mathematisches Institut. Jyväskylä Univ., Math. Inst., Ber. 55, 97-112 (1993). Reviewer: P.Lounesto (Helsinki) MSC: 15A66 15A63 81Q05 15A90 PDF BibTeX XML Cite \textit{J. Ławrynowicz}, in: Proceedings of the fourth Finnish-Polish summer school in complex analysis at Jyväskylä, Finland, August 17-20, 1992. Jyväskylä: Univ., Mathematisches Institut. 97--112 (1993; Zbl 0794.15014) OpenURL
Furuta, Yoshiomi Gaussian composition of congruence classes. (English) Zbl 0772.11011 Sci. Rep. Kanazawa Univ. 37, No. 1, 1-22 (1992). Reviewer: K.Kozioł (Katowice) MSC: 11E16 PDF BibTeX XML Cite \textit{Y. Furuta}, Sci. Rep. Kanazawa Univ. 37, No. 1, 1--22 (1992; Zbl 0772.11011) OpenURL
Andrianov, A. N. Composition of solutions of quadratic Diophantine equations. (English. Russian original) Zbl 0742.11021 Russ. Math. Surv. 46, No. 2, 1-44 (1991); translation from Usp. Mat. Nauk 46, No. 2(278), 3-40 (1991). Reviewer: Meinhard Peters (Münster) MSC: 11E45 11F27 11F25 11E25 PDF BibTeX XML Cite \textit{A. N. Andrianov}, Russ. Math. Surv. 46, No. 2, 1--44 (1991; Zbl 0742.11021); translation from Usp. Mat. Nauk 46, No. 2(278), 3--40 (1991) Full Text: DOI OpenURL
Schönhage, Arnold Fast reduction and composition of binary quadratic forms. (English) Zbl 1019.11505 Watt, Stephen M. (ed.), ISSAC ’91. Proceedings of the 1991 international symposium on Symbolic and algebraic computation. Bonn, Germany, July 15-17, 1991. New York, NY: ACM Press, 128-133 (1991). MSC: 11Y16 11H55 PDF BibTeX XML Cite \textit{A. Schönhage}, in: ISSAC '91. Proceedings of the 1991 international symposium on Symbolic and algebraic computation. Bonn, Germany, July 15--17, 1991. New York, NY: ACM Press. 128--133 (1991; Zbl 1019.11505) OpenURL
Kantor, I. L.; Solodovnikov, A. S. [Shenitzer, A.] Hypercomplex numbers. An elementary introduction to algebras. Transl. by A. Shenitzer. (English) Zbl 0669.17001 New York etc.: Springer-Verlag. x, 169 p. DM 78.00 (1989). Reviewer: A.H.Boers MSC: 17-01 15-01 17A35 16Kxx 17D05 16P10 30G35 PDF BibTeX XML Cite \textit{I. L. Kantor} and \textit{A. S. Solodovnikov}, Hypercomplex numbers. An elementary introduction to algebras. Transl. by A. Shenitzer. New York etc.: Springer-Verlag (1989; Zbl 0669.17001) OpenURL
Lam, T. Y.; Smith, Tara On the Clifford-Littlewood-Eckmann groups: A new look at periodicity mod 8. (English) Zbl 0726.11025 Rocky Mt. J. Math. 19, No. 3, 749-786 (1989). MSC: 11E88 15A66 20E22 20F05 PDF BibTeX XML Cite \textit{T. Y. Lam} and \textit{T. Smith}, Rocky Mt. J. Math. 19, No. 3, 749--786 (1989; Zbl 0726.11025) Full Text: DOI OpenURL
Shanks, Daniel On Gauss and composition. II. (English) Zbl 0691.10011 Number theory and applications, Proc. NATO ASI, Banff/Can. 1988, NATO ASI Ser., Ser. C 265, 179-204 (1989). Reviewer: C. Parry MSC: 11E16 11R11 11Y40 11R23 PDF BibTeX XML OpenURL
Shanks, Daniel On Gauss and composition. I. (English) Zbl 0691.10010 Number theory and applications, Proc. NATO ASI, Banff/Can. 1988, NATO ASI Ser., Ser. C 265, 163-178 (1989). Reviewer: C.Parry MSC: 11E16 11R11 11H55 PDF BibTeX XML OpenURL
Hellegouarch, Yves Positive definite binary quadratic forms over \(k[X]\). (English) Zbl 0689.10029 Number theory, Proc. 15th Journ. Arith., Ulm/FRG 1987, Lect. Notes Math. 1380, 93-119 (1989). Reviewer: Mieczysław Kula (Katowice) MSC: 11E16 11E81 11G05 PDF BibTeX XML Full Text: DOI OpenURL
Koecher, Max On endomorphisms of degree two. (English) Zbl 0659.10019 Proc. Indian Acad. Sci., Math. Sci. (Ramanujan Birth Centenary Volume) 97, No. 1-3, 179-188 (1987). Reviewer: Kazimierz Szymiczek (Katowice) MSC: 11E16 13F99 15A24 15B36 PDF BibTeX XML Cite \textit{M. Koecher}, Proc. Indian Acad. Sci., Math. Sci. 97, No. 1--3, 179--188 (1987; Zbl 0659.10019) Full Text: DOI OpenURL
Pfister, Albrecht Quadratsummen in Algebra und Topologie. (Sums of squares in algebra and topology). (German) Zbl 0626.10017 Wiss. Beitr., Martin-Luther-Univ. Halle Wittenberg 1987/33(M48), 195-208 (1987). Reviewer: A.F.T.W.Rosenberg MSC: 11E04 12D15 13A99 12J15 11E16 PDF BibTeX XML OpenURL
Kneser, Martin Komposition quadratischer Formen. (Composition of quadratic forms). (German) Zbl 0625.10015 Wiss. Beitr., Martin-Luther-Univ. Halle Wittenberg 1987/33(M 48), 161-173 (1987). Reviewer: M.Peters MSC: 11E16 11R52 PDF BibTeX XML OpenURL
Adem, José On admissible triples over an arbitrary field. (English) Zbl 0626.10018 Bull. Soc. Math. Belg., Sér. A 38, 33-35 (1986). Reviewer: D.B.Shapiro MSC: 11E04 11E16 12D15 PDF BibTeX XML Cite \textit{J. Adem}, Bull. Soc. Math. Belg., Sér. A 38, 33--35 (1986; Zbl 0626.10018) OpenURL
Kneser, M.; Knus, M.-A.; Ojanguren, M.; Parimala, R.; Sridharan, R. Composition of quaternary quadratic forms. (English) Zbl 0612.10015 Compos. Math. 60, 133-150 (1986). Reviewer: P.Y.H.Yiu MSC: 11E16 15A66 20L05 13C99 PDF BibTeX XML Cite \textit{M. Kneser} et al., Compos. Math. 60, 133--150 (1986; Zbl 0612.10015) Full Text: Numdam EuDML OpenURL
Weil, André Gauss and the composition of binary quadratic forms. (Gauss et la composition des formes quadratiques binaires.) (French) Zbl 0592.10016 Aspects of mathematics and its applications, Collect. Pap. Hon. L. Nachbin, 895-912 (1986). Reviewer: A. Aigner (Graz) MSC: 11-03 01A55 11E16 11R11 11R29 PDF BibTeX XML OpenURL
Yuzvinsky, Sergey Composition of quadratic forms and tensor product of quaternion algebras. (English) Zbl 0576.10014 J. Algebra 96, 347-367 (1985). Reviewer: M.-A.Knus MSC: 11E04 11E16 15A63 PDF BibTeX XML Cite \textit{S. Yuzvinsky}, J. Algebra 96, 347--367 (1985; Zbl 0576.10014) Full Text: DOI OpenURL
Lam, Kee Yuen Some new results on composition of quadratic forms. (English) Zbl 0559.10014 Invent. Math. 79, 467-474 (1985). Reviewer: A.Pfister MSC: 11E04 11E16 55M99 55N99 PDF BibTeX XML Cite \textit{K. Y. Lam}, Invent. Math. 79, 467--474 (1985; Zbl 0559.10014) Full Text: DOI EuDML OpenURL
Lam, Kee Yuen Topological methods for studying the composition of quadratic forms. (English) Zbl 0559.10013 Quadratic and Hermitian forms, Conf. Hamilton/Ont. 1983, CMS Conf. Proc. 4, 173-192 (1984). Reviewer: D.B.Shapiro MSC: 11E04 11E16 55N99 55M99 PDF BibTeX XML OpenURL
Ringel, Claus Michael Tame algebras and integral quadratic forms. (English) Zbl 0546.16013 Lecture Notes in Mathematics. 1099. Berlin etc.: Springer-Verlag. xiii, 376 p. DM 51.50 (1984). Reviewer: Andrzej Skowroński (Toruń) MSC: 16Gxx 16-02 16P10 16D70 16E20 15A63 11E04 PDF BibTeX XML Full Text: DOI OpenURL
Riehm, C. Explicit spin representations and Lie algebras of Heisenberg type. (English) Zbl 0542.15010 J. Lond. Math. Soc., II. Ser. 29, 49-62 (1984). MSC: 15A66 15A63 17B30 22E25 43A80 11E16 PDF BibTeX XML Cite \textit{C. Riehm}, J. Lond. Math. Soc., II. Ser. 29, 49--62 (1984; Zbl 0542.15010) Full Text: DOI OpenURL
Yuzvinsky, Sergey A series of monomial pairings. (English) Zbl 0533.10015 Linear Multilinear Algebra 15, 109-119 (1984). Reviewer: D.B.Shapiro MSC: 11E04 15A63 11E16 PDF BibTeX XML Cite \textit{S. Yuzvinsky}, Linear Multilinear Algebra 15, 109--119 (1984; Zbl 0533.10015) Full Text: DOI OpenURL
Bier, Thomas A remark on constructions of certain normed and nonsingular bilinear maps. (English) Zbl 0549.05042 Proc. Japan Acad., Ser. A 59, 328-330 (1983). Reviewer: H.-J.Bartels MSC: 05C50 15A63 PDF BibTeX XML Cite \textit{T. Bier}, Proc. Japan Acad., Ser. A 59, 328--330 (1983; Zbl 0549.05042) Full Text: DOI OpenURL
Taussky, Olga Some non-commutative methods in algebraic number theory. (English) Zbl 0522.12011 Emmy Noether in Bryn Mawr, Proc. Symp., Bryn Mawr/USA 1982, 47-57 (1983). MSC: 11R37 11R32 11R33 15B36 11E12 11R23 11R52 PDF BibTeX XML OpenURL
Zassenhaus, Hans J. Gauss’ theory of ternary quadratic forms, an example of the theory of homogeneous forms in many variables, with applications. (English) Zbl 0512.10013 Ternary quadratic forms and norms, Semin. 1974/75, Lect. Notes Pure Appl. Math. 79, 75-135 (1982). MSC: 11E20 11H55 11E57 11H06 PDF BibTeX XML OpenURL
Kneser, Martin Komposition binärer quadratischer Formen. (German) Zbl 0502.10008 Abh. Braunschw. Wiss. Ges. 33, 41-42 (1982). Reviewer: Meinhard Peters (Münster) MSC: 11E16 11E04 PDF BibTeX XML Cite \textit{M. Kneser}, Abh. Braunschw. Wiss. Ges. 33, 41--42 (1982; Zbl 0502.10008) OpenURL
Taussky, Olga The many aspects of the Pythagorean triangles. (English) Zbl 0493.10018 Linear Algebra Appl. 43, 285-295 (1982). MSC: 11D09 11E16 PDF BibTeX XML Cite \textit{O. Taussky}, Linear Algebra Appl. 43, 285--295 (1982; Zbl 0493.10018) Full Text: DOI OpenURL
Iliopoulos, Costas S. Analysis of an algorithm for composition of binary quadratic forms. (English) Zbl 0483.10022 J. Algorithms 3, 157-159 (1982). MSC: 11E16 68Q25 PDF BibTeX XML Cite \textit{C. S. Iliopoulos}, J. Algorithms 3, 157--159 (1982; Zbl 0483.10022) Full Text: DOI OpenURL
Riehm, C. The automorphism group of a composition of quadratic forms. (English) Zbl 0483.10021 Trans. Am. Math. Soc. 269, 403-414 (1982). MSC: 11E16 11E10 PDF BibTeX XML Cite \textit{C. Riehm}, Trans. Am. Math. Soc. 269, 403--414 (1982; Zbl 0483.10021) Full Text: DOI OpenURL
Pfeuffer, Horst Komposition und Klassenzahlen binärer quadratischer Formen. (Composition and class numbers of binary quadratic forms). (German) Zbl 0405.10019 Acta Arith. 39, 323-337 (1981). MSC: 11E41 11E12 11E10 PDF BibTeX XML Cite \textit{H. Pfeuffer}, Acta Arith. 39, 323--337 (1981; Zbl 0405.10019) Full Text: DOI EuDML OpenURL
Ono, Takashi On the group of automorphisms of a Hopf map. (English) Zbl 0444.20038 Nagoya Math. J. 79, 131-140 (1980). MSC: 20G15 20G20 20B25 20B27 11R34 12G05 11E04 11E12 11E08 11E10 PDF BibTeX XML Cite \textit{T. Ono}, Nagoya Math. J. 79, 131--140 (1980; Zbl 0444.20038) Full Text: DOI OpenURL
Taussky, Olga Results concerning composition of sums of three squares. (English) Zbl 0426.10052 Linear Multilinear Algebra 8, 231-233 (1980). MSC: 11P05 11E16 PDF BibTeX XML Cite \textit{O. Taussky}, Linear Multilinear Algebra 8, 231--233 (1980; Zbl 0426.10052) Full Text: DOI OpenURL
Kaplan, Aroldo Fundamental solutions for a class of hypoelliptic PDE generated by composition of quadratic forms. (English) Zbl 0393.35015 Trans. Am. Math. Soc. 258, 147-153 (1980). Reviewer: Aroldo Kaplan MSC: 58J05 22E30 35H10 35A08 PDF BibTeX XML Cite \textit{A. Kaplan}, Trans. Am. Math. Soc. 258, 147--153 (1980; Zbl 0393.35015) Full Text: DOI Backlinks: MO OpenURL
Kaplansky, Irving Composition of quadratic and alternate forms. (English) Zbl 0405.15020 Math. Rep. Acad. Sci., R. Soc. Can. 1, 87-90 (1979). MSC: 15A63 15A66 11E16 PDF BibTeX XML OpenURL
Riss, Jean The composition of binary quadratic form (after Gauss). (La composition des formes quadratiques binaires (d’après Gauss).) (French) Zbl 1234.11043 Sémin. Théor. Nombres 1977-1978, Exp. No. 17/18, 16 p. (1978). Reviewer: Franz Lemmermeyer (Jagstzell) MSC: 11E16 15-03 15A63 PDF BibTeX XML Cite \textit{J. Riss}, in: Séminaire de théorie des nombres. Année 1977--1978. . 16 p. (1978; Zbl 1234.11043) Full Text: EuDML OpenURL
Kantor, I. L.; Solodovnikov, A. S. Hypercomplex numbers. (Giperkompleksnye chisla). (Russian) Zbl 0669.17002 Moskva: Nauka. 144 p. (1973). MSC: 17-01 15-01 17A35 16Kxx 17D05 16P10 30G35 PDF BibTeX XML OpenURL
Estes, Dennis R.; Pall, Gordon Spinor genera of binary quadratic forms. (English) Zbl 0268.10010 J. Number Theory 5, 421-432 (1973). Reviewer: G. L. Watson (London) MSC: 11E16 PDF BibTeX XML Cite \textit{D. R. Estes} and \textit{G. Pall}, J. Number Theory 5, 421--432 (1973; Zbl 0268.10010) Full Text: DOI OpenURL
Lee, H. C. On the Hurwitz-Radon theorem on the composition of quadratic forms. (Sur le théorème de Hurwitz-Radon pour la composition des formes quadratiques.) (French) Zbl 0030.29203 Comment. Math. Helv. 21, 261-269 (1948). Reviewer: Heinrich Brandt (Halle/Saale) MSC: 11E04 15A63 11E39 PDF BibTeX XML Cite \textit{H. C. Lee}, Comment. Math. Helv. 21, 261--269 (1948; Zbl 0030.29203) Full Text: DOI EuDML OpenURL
Eckmann, Beno Gruppentheoretischer Beweis des Satzes von Hurwitz-Radon über die Komposition quadratischer Formen. (German) Zbl 0028.10402 Comment. Math. Helv. 15, 358-366 (1943). Reviewer: B. L. van der Waerden (Leipzig) MSC: 11E16 PDF BibTeX XML Cite \textit{B. Eckmann}, Comment. Math. Helv. 15, 358--366 (1943; Zbl 0028.10402) Full Text: DOI EuDML OpenURL
Hurwitz, Adolf On the composition of quadratic forms. (Über die Komposition der quadratischen Formen.) (German) JFM 48.1164.03 Math. Ann. 88, 1-25 (1922). Reviewer: Fueter, Prof. (Zürich) MSC: 11E25 PDF BibTeX XML Cite \textit{A. Hurwitz}, Math. Ann. 88, 1--25 (1922; JFM 48.1164.03) Full Text: DOI EuDML Link OpenURL
Frick, H. On the connection between periods of quadratic forms of positive determinant and decomposition of an integer into the sum of two squares. (Über den Zusammenhang der Perioden quadratischer Formen positiver Determinante mit der Zerlegung einer Zahl in die Summe zweier Quadrate.) (German) JFM 46.0239.03 Techn. Hochschule Zürich (1918). Reviewer: Pólya, Prof. (Zürich) MSC: 11E16 11E25 PDF BibTeX XML OpenURL