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Found 3,074 Documents (Results 1–100)

Pourchet’s theorem in action: decomposing univariate nonnegative polynomials as sums of five squares. (English) Zbl 07760788

Dickenstein, Alicia (ed.) et al., Proceedings of the 48th international symposium on symbolic and algebraic computation, ISSAC, Tromsø, Norway, July 24–27, 2023. New York, NY: Association for Computing Machinery (ACM). 425-433 (2023).
MSC:  68W30
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A note on the computational complexity of the moment-SOS hierarchy for polynomial optimization. (English) Zbl 07760772

Dickenstein, Alicia (ed.) et al., Proceedings of the 48th international symposium on symbolic and algebraic computation, ISSAC, Tromsø, Norway, July 24–27, 2023. New York, NY: Association for Computing Machinery (ACM). 280-288 (2023).
MSC:  68W30
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Hurwitz’s lectures on the number theory of quaternions. (English) Zbl 07713800

Heritage of European Mathematics. Berlin: European Mathematical Society (EMS) (ISBN 978-3-98547-011-2/hbk; 978-3-98547-511-7/ebook). xvii, 293 p. (2023).
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On the regularity of the solutions and of analytic vectors for “sums of squares”. (English) Zbl 1519.35064

“Bruno Pini” Mathematical Analysis Seminar 2022. Papers from the seminar, University of Bologna, Bologna, Italy, 2022. Bologna: Università di Bologna, Alma Mater Studiorum. 90-108 (2023).
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Real Nullstellensatz and sums of squares. (English) Zbl 1510.13010

Krasiński, Tadeusz (ed.) et al., Analytic and algebraic geometry 4. On the occasion of the 70th birthday of Wojciech Kucharz and the 80th birthday of Tadeusz Winiarski. Łódź: Łódź University Press. 121-136 (2022).
MSC:  13J30 12D15 14P05
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Sums of squares: methods for proving identity families. (English) Zbl 1508.11046

Nathanson, Melvyn B. (ed.), Combinatorial and additive number theory V. Selected papers based on the presentations at the CANT 2021 workshop, New York, NY, USA, virtual event, May 24–28, 2021. Cham: Springer. Springer Proc. Math. Stat. 395, 239-252 (2022).
MSC:  11E25 11B39
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On an asymptotics of the number of representations of a pair of integers by quadratic and linear forms with congruential condition. (English. Russian original) Zbl 1505.11068

Math. Notes 111, No. 5, 736-746 (2022); translation from Mat. Zametki 111, No. 5, 726-737 (2022).
MSC:  11E25 11D85
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