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Found 215 Documents (Results 1–100)

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Symmetric matrices whose entries are linear functions. (English. Russian original) Zbl 1454.15023

Comput. Math. Math. Phys. 60, No. 1, 102-108 (2020); translation from Zh. Vychisl. Mat. Mat. Fiz. 60, No. 1, 109-115 (2020).
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On radicals of graded ring constructions. (English) Zbl 1429.16033

Leroy, André (ed.) et al., Rings, modules and codes. Fifth international conference on noncommutative rings and their applications, University of Artois, Lens, France, June 12–15, 2017. Providence, RI: American Mathematical Society (AMS). Contemp. Math. 727, 167-176 (2019).
MSC:  16W50 16S36 16N80
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Hoffman’s coclique bound for normal regular digraphs, and nonsymmetric association schemes. (English) Zbl 1364.05049

Abualrub, Taher (ed.) et al., Mathematics across contemporary sciences. AUS-ICMS, American University of Sharjah, United Arab Emirates, April 2–5, 2015. Cham: Springer (ISBN 978-3-319-46309-4/hbk; 978-3-319-46310-0/ebook). Springer Proceedings in Mathematics & Statistics 190, 137-150 (2017).
MSC:  05C62 05B20 05E30
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Inner product vectors for skew-Hadamard matrices. (English) Zbl 1329.05045

Colbourn, Charles J. (ed.), Algebraic design theory and Hadamard matrices. ADTHM, Lethbridge, Alberta, Canada, July 8–11, 2014. Selected papers based on the presentations at the workshop and at the workshop on algebraic design theory with Hadamard matrices: applications, current trends and future directions, Banff International Research Station, Alberta, Canada, July 11–13, 2014. Cham: Springer (ISBN 978-3-319-17728-1/hbk; 978-3-319-17729-8/ebook). Springer Proceedings in Mathematics & Statistics 133, 171-187 (2015).
MSC:  05B20 15B35
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On good matrices and skew Hadamard matrices. (English) Zbl 1329.05038

Colbourn, Charles J. (ed.), Algebraic design theory and Hadamard matrices. ADTHM, Lethbridge, Alberta, Canada, July 8–11, 2014. Selected papers based on the presentations at the workshop and at the workshop on algebraic design theory with Hadamard matrices: applications, current trends and future directions, Banff International Research Station, Alberta, Canada, July 11–13, 2014. Cham: Springer (ISBN 978-3-319-17728-1/hbk; 978-3-319-17729-8/ebook). Springer Proceedings in Mathematics & Statistics 133, 13-28 (2015).
MSC:  05B20
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On \((-1,1)\)-matrices of skew type with the maximal determinant and tournaments. (English) Zbl 1329.05037

Colbourn, Charles J. (ed.), Algebraic design theory and Hadamard matrices. ADTHM, Lethbridge, Alberta, Canada, July 8–11, 2014. Selected papers based on the presentations at the workshop and at the workshop on algebraic design theory with Hadamard matrices: applications, current trends and future directions, Banff International Research Station, Alberta, Canada, July 11–13, 2014. Cham: Springer (ISBN 978-3-319-17728-1/hbk; 978-3-319-17729-8/ebook). Springer Proceedings in Mathematics & Statistics 133, 1-11 (2015).
MSC:  05B20 15B34
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Linear algebra and matrices. Topics for a second course. (English) Zbl 1334.15002

Pure and Applied Undergraduate Texts 24. Providence, RI: American Mathematical Society (AMS) (ISBN 978-1-4704-1852-6/hbk). xv, 317 p. (2015).
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The impact of number theory and computer-aided mathematics on solving the Hadamard matrix conjecture. (English) Zbl 1279.05008

Borwein, Jonathan M. (ed.) et al., Number theory and related fields. In memory of Alf van der Poorten. Based on the proceedings of the international number theory conference, Newcastle, Australia, March 12–16, 2012. New York, NY: Springer (ISBN 978-1-4614-6641-3/hbk; 978-1-4614-6642-0/ebook). Springer Proceedings in Mathematics & Statistics 43, 313-320 (2013).
MSC:  05B20 11C20 20B20
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Ranks of Hadamard matrices and equivalence of Sylvester-Hadamard and pseudo-noise matrices. (English) Zbl 1136.15016

Ball, Joseph A. (ed.) et al., Recent advances in matrix and operator theory. Proceedings of the 16th international workshop on operator theory and applications, IWOTA, Storrs, CT, USA, 2005. Basel: Birkhäuser (ISBN 978-3-7643-8538-5/hbk). Operator Theory: Advances and Applications 179, 35-46 (2008).
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Analytical formulas for minors of orthogonal designs and an application. (English) Zbl 1177.65067

Păltineanu, Gavriil (ed.) et al., Trends and challenges in applied mathematics. Conference proceedings of the international conference, ICTCAM 2007, Bucharest, Romania, June 20–23, 2007. Bucharest: Matrix Rom (ISBN 978-973-755-283-9/pbk). 237-240 (2007).
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