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Found 241 Documents (Results 1–100)

Semiclassical asymptotics of the solution to the Cauchy problem for the Schrödinger equation with a delta potential localized on a codimension 1 surface. (English. Russian original) Zbl 1455.35213

Proc. Steklov Inst. Math. 310, 304-313 (2020); translation from Tr. Mat. Inst. Steklova 310, 322-331 (2020).
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The geometry of quadratic quaternion polynomials in Euclidean and non-Euclidean planes. (English) Zbl 1400.51009

Cocchiarella, Luigi (ed.), ICGG 2018 – Proceedings of the 18th international conference on geometry and graphics. 40th anniversary – Milan, Italy, August 3–7, 2018. In 2 volumes. Cham: Springer; Milan: Politecnico de Milano (ISBN 978-3-319-95587-2/pbk; 978-3-319-95588-9/ebook). Advances in Intelligent Systems and Computing 809, 298-309 (2019).
MSC:  51M05 51M10
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Projective geometry of the plane. A classical approach with interactive visualisation. (Projektive Geometrie der Ebene. Ein klassischer Zugang mit interaktiver Visualisierung.) (German) Zbl 1384.51001

Springer-Lehrbuch Masterclass. Heidelberg: Springer Spektrum (ISBN 978-3-662-54079-4/pbk; 978-3-662-54080-0/ebook). xiv, 117 p. (2017).
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Comparison theorems for weighted focal points of conjoined bases of Hamiltonian difference systems. (English) Zbl 1355.39015

Pinelas, Sandra (ed.) et al., Differential and difference equations with applications. ICDDEA, Amadora, Portugal, May 18–22, 2015. Selected contributions. Cham: Springer (ISBN 978-3-319-32855-3/hbk; 978-3-319-32857-7/ebook). Springer Proceedings in Mathematics & Statistics 164, 225-233 (2016).
MSC:  39A21 39A22
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Eigenvalue comparison for discrete symplectic systems. (English) Zbl 1336.39009

Bohner, Martin (ed.) et al., Difference equations, discrete dynamical systems and applications. Proceedings of the 20th international conference on difference equations and applications, ICDEA, Wuhan, China, July 21–25, 2014. Cham: Springer (ISBN 978-3-319-24745-8/hbk; 978-3-319-24747-2/ebook). Springer Proceedings in Mathematics & Statistics 150, 95-107 (2015).
MSC:  39A12 39A06 37J05 34L05 34L30 39A21
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New formulas for Maslov’s canonical operator in a neighborhood of focal points and caustics in two-dimensional semiclassical asymptotics. (English. Russian original) Zbl 1298.81091

Theor. Math. Phys. 177, No. 3, 1579-1605 (2013); translation from Teor. Mat. Fiz. 177, No. 3, 355-386 (2013).
MSC:  81Q20 81Q05
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Oscillation theory of symplectic difference systems. (English) Zbl 1179.39013

Elaydi, Saber (ed.) et al., Advances in discrete dynamical systems. Proceedings of the 11th international conference on difference equations and applications (ICDEA 06), Kyoto, Japan, July 24–28, 2006. Tokyo: Mathematical Society of Japan (ISBN 978-4-931469-49-5/hbk). Advanced Studies in Pure Mathematics 53, 41-50 (2009).
MSC:  39A21 39A10
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Oscillation results for time scale symplectic systems. (English) Zbl 1172.39010

Bohner, Martin (ed.) et al., Difference equations and applications. Proceedings of the fourteenth international conference on difference equations and applications (ICDEA), Istanbul, Turkey, July 21–25, 2008. Istanbul: Bahçeşehir University Press (ISBN 978-975-6437-80-3/pbk). 203-210 (2009).
MSC:  39A11 39A12 37J10
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