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Found 114 Documents (Results 1–100)

On definitions of Finsler spaces and axiomatics of singular Finsler geometry. (English. Russian original) Zbl 1518.53021

J. Math. Sci., New York 272, No. 6, 751-765 (2023); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 175, 3-18 (2020).
MSC:  53B40
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On the geometry of similarly homogeneous \(\mathbb{R} \)-trees. (English. Russian original) Zbl 1443.54012

Russ. Math. 64, No. 4, 1-11 (2020); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2020, No. 4, 3-15 (2020).
MSC:  54E35 54F50 22F30
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Vladimir Andreevich Uspensky (27/11/1930–27/6/2018) (obituary). (English. Russian original) Zbl 1435.01015

Russ. Math. Surv. 74, No. 4, 735-753 (2019); translation from Usp. Mat. Nauk 74, No. 4, 165-180 (2019).
MSC:  01A70
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Scale transformations in phase space and stretched states of a harmonic oscillator. (English. Russian original) Zbl 1390.81162

Theor. Math. Phys. 192, No. 1, 1080-1096 (2017); translation from Teor. Mat. Fiz. 192, No. 1, 164-184 (2017).
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The geometry of the tangent cone to a \(G\)-space of nonpositive curvature with distinguished family of segments. (English. Russian original) Zbl 1337.53093

Russ. Math. 60, No. 1, 1-10 (2016); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2016, No. 1, 3-14 (2016).
MSC:  53C70
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Operator method for calculating \(Q\) symbols and their relation to Weyl-Wigner symbols and symplectic tomogram symbols. (English. Russian original) Zbl 1308.81128

Theor. Math. Phys. 179, No. 2, 559-573 (2014); translation from Teor. Mat. Fiz. 179, No. 2, 207-224 (2014).
MSC:  81S30 81P50
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Plane-wave approaches to the electronic structure of semiconductor nanostructures. (English) Zbl 1316.82033

Ehrhardt, Matthias (ed.) et al., Multi-band effective mass approximations. Advanced mathematical models and numerical techniques. Cham: Springer (ISBN 978-3-319-01426-5/hbk; 978-3-319-01427-2/ebook). Lecture Notes in Computational Science and Engineering 94, 155-189 (2014).
MSC:  82D80 82D37 82-08 65T50 65N30 81Q37 81V65
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On control of linear nonstationary mechanical systems with non-complete output taking account of delay in feedback structure. (Russian) Zbl 1299.93113

Prikladnaya matematika i mekhanika. Sbornik nauchnykh trudov. Ul’yanovsk: Ul’yanovskiĭ Gosudarstvennyĭ Tekhnicheskiĭ Universitet (ISBN 978-5-9795-0904-4), 66-71 (2011).
MSC:  93C15 93B52 93C05
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A transformational property of the Husimi function and its relation to the Wigner function and symplectic tomograms. (English. Russian original) Zbl 1274.81152

Theor. Math. Phys. 166, No. 3, 356-368 (2011); translation from Teor. Mat. Fiz. 166, No. 3, 410-424 (2011).
MSC:  81S30 81Q70
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A. D. Alexandrov’s problem for non-positively curved spaces in the sense of Busemann. (English. Russian original) Zbl 1211.53091

Russ. Math. 54, No. 9, 7-29 (2010); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2010, No. 9, 10-35 (2010).
MSC:  53C70 53C45
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Technical report: computation on the extended complex plane and conformal mapping of multiply-connected domains. (English) Zbl 1262.03127

Brattka, V. (ed.) et al., Proceedings of the fifth international conference on computability and complexity in analysis (CCA 2008), Hagen, Germany, August 21–24, 2008. Amsterdam: Elsevier. Electronic Notes in Theoretical Computer Science 221, 127-139 (2008).
MSC:  03F60 30C20
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Viktor Aleksandrovich Pliss (a tribute in honor of his seventy-fifth birthday). (English. Russian original) Zbl 1139.01304

Differ. Equ. 43, No. 2, 151-153 (2007); translation from Differ. Uravn. 43, No. 2, 147-150 (2007).
MSC:  01A70
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Postprocessing and improved accuracy of the lowest-order mixed finite element approximation for biharmonic eigenvalues. (English) Zbl 1142.65438

Lirkov, Ivan (ed.) et al., Large-scale scientific computing. 5th international conference, LSSC 2005, Sozopol, Bulgaria, June 6–10, 2005. Revised papers. Berlin: Springer (ISBN 3-540-31994-8/pbk). Lecture Notes in Computer Science 3743, 613-620 (2006).
MSC:  65N30 65N15
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Ergodicity and stability of non-stationary queueing system. (Russian, English) Zbl 1050.60075

Teor. Jmovirn. Mat. Stat. 68, 1-10 (2003); translation in Theory Probab. Math. Stat. 68, 1-10 (2004).
MSC:  60J27 60J80 60K25
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Small pseudo-random sets yield hard functions: New tight explicit lower bounds for branching programs. (English) Zbl 0941.68567

Wiedermann, Jiří (ed.) et al., Automata, languages and programming. 26th international colloquium, ICALP ‘99. Prague, Czech Republic, July 11-15, 1999. Proceedings. Berlin: Springer. Lect. Notes Comput. Sci. 1644, 179-189 (1999).
MSC:  68Q05 68Q25
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On the method of Lyapunov functionals in the problem of asymptotic stability and instability. (English. Russian original) Zbl 0958.34061

Differ. Equations 34, No. 7, 876-885 (1998); translation from Differ. Uravn. 34, No. 7, 876-885 (1998).
MSC:  34K20 93D05
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Limit equations in the stability problem for a functional-differential equation. (English. Russian original) Zbl 0974.34072

Differ. Equations 34, No. 4, 431-436 (1998); translation from Differ. Uravn. 34, No. 4, 435-440 (1998).
MSC:  34K20
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Efficient constructions of hitting sets for systems of linear functions. (English) Zbl 1499.68138

Reischuk, Rüdiger (ed.) et al., STACS 97. 14th annual symposium on theoretical aspects of computer science. Lübeck, Germany, February 27 – March 1, 1997. Proceedings. Berlin: Springer. Lect. Notes Comput. Sci. 1200, 387-398 (1997).
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Worst-case hardness suffices for derandomization: a new method for hardness-randomness trade-offs. (English) Zbl 1401.68093

Degano, Pierpaolo (ed.) et al., Automata, languages and programming. 24th international colloquium, ICALP ’97, Bologna, Italy, July 7–11, 1997. Proceedings. Berlin: Springer-Verlag (ISBN 978-3-540-63165-1/pbk; 978-3-540-69194-5/ebook). Lecture Notes in Computer Science 1256, 177-187 (1997).
MSC:  68Q17
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Optimal bounds on the approximation of Boolean functions with consequences on the concept of hardness. (English) Zbl 1379.68157

Puech, Claude (ed.) et al., STACS 96. 13th annual symposium on theoretical aspects of computer science. Grenoble, France, February 22–24, 1996. Proceedings. Berlin: Springer-Verlag (ISBN 3-540-60922-9). Lecture Notes in Computer Science 1046, 319-330 (1996).
MSC:  68Q25 68Q17 94C10
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Hitting sets derandomize BPP. (English) Zbl 1046.68536

Meyer auf der Heide, Friedhelm (ed.) et al., Automata, languages and programming. 23rd international colloquium, ICALP ’96, Paderborn, Germany, July 8-12, 1996. Proceedings. Berlin: Springer (ISBN 3-540-61440-0/pbk). Lect. Notes Comput. Sci. 1099, 357-368 (1996).
MSC:  68Q15 68Q10
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The parallel complexity of approximating the high degree subgraph problem (extended abstract). (English) Zbl 1512.68187

Staples, John (ed.) et al., Algorithms and computations. 6th international symposium, ISAAC ’95, Cairns, Australia, December 4–6, 1995. Proceedings. Berlin: Springer-Verlag. Lect. Notes Comput. Sci. 1004, 132-141 (1995).
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Development of control synthesis models for poloidal fields in a tokamak. (English. Russian original) Zbl 0800.76544

Comput. Math. Model. 2, No. 2, 179-186 (1991); translation from Morozov, V. A. (ed.) et al. Numerical methods and systems of data processing on computers. Work collection. Moskva, 191-201 (1988).
MSC:  76X05
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Critical loads of a cylindrical shell with an attached mass subjected to an external pressure pulse of finite duration. (English. Russian original) Zbl 0705.73092

Sov. Appl. Mech. 24, No. 1, 47-51 (1988); translation from Prikl. Mekh., Kiev 24, No. 1, 53-58 (1988).
MSC:  74H55 74E30 74K15
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Stability of a cylindrical shell carrying a system of linearly distributed masses under impulsive loading. (English. Russian original) Zbl 0453.73053

Sov. Appl. Mech. 16, 14-20 (1980); translation from Prikl. Mekh. 16, No. 1, 19-25 (1980).
MSC:  74H55 74S30 74K25 74H99 65D30 74K15
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