Found 402 Documents (Results 1–100)
Some results for weighted Bergman space operators via Berezin symbols. (English) Zbl 07859901
MSC:
47B35
A Toeplitz-like operator with rational matrix symbol having poles on the unit circle: invertibility and Riccati equations. (English) Zbl 07787732
Reviewer: Mohammed El Aïdi (Bogotá)
Gaussian semigroups of operators in the space of Borel functions on a separable Hilbert space. (Russian. English summary) Zbl 07896828
Constructive algorithm to vectorize \((P \otimes P\) product for symmetric matrix \(P\). (English. Russian original) Zbl 1533.81029
Comput. Math. Math. Phys. 63, No. 9, 1559-1570 (2023); translation from Zh. Vychisl. Mat. Mat. Fiz. 63, No. 9, 1415-1427 (2023).
Variational eigenfunctions for excited states inspired by supersymmetric quantum mechanics and the Gram-Schmidt process. (English) Zbl 1526.81027
Eigenvalues of stochastic Hamiltonian systems with boundary conditions and its application. (English) Zbl 1532.60123
Optimal feedback controls of stochastic linear quadratic control problems in infinite dimensions with random coefficients. (English. French summary) Zbl 1511.49022
Optimal convergence rates for Galerkin approximation of operator Riccati equations. (English) Zbl 1533.65219
On semilocal convergence analysis for two-step Newton method under generalized Lipschitz conditions in Banach spaces. (English) Zbl 1492.65149
Reflectionless canonical systems. I: Arov gauge and right limits. (English) Zbl 1540.47023
Reviewer: Adhemar Bultheel (Leuven)
On some problems for reproducing kernel Hilbert space operators via the Berezin transform. (English) Zbl 07451588
Reviewer: Mohammed El Aïdi (Bogotá)
MSC:
47B35
Method of commutators for integration of a matrix Riccati equation. (Russian. English summary) Zbl 1521.83215
Sib. Zh. Ind. Mat. 24, No. 1, 78-88 (2021); translation in J. Appl. Ind. Math. 15, No. 1, 78-86 (2021).
Trace formulas for the modified Mathieu equation. (English) Zbl 1515.47060
Exner, Pavel (ed.) et al., Partial differential equations, spectral theory, and mathematical physics. The Ari Laptev anniversary volume. Berlin: European Mathematical Society (EMS). EMS Ser. Congr. Rep., 427-443 (2021).
Properties of critical and subcritical second order self-adjoint linear equations. (English) Zbl 1485.39022
Reviewer: Pavel Rehak (Brno)
Application of maximal monotone operator method for solving Hamilton-Jacobi-Bellman equation arising from optimal portfolio selection problem. (English) Zbl 1473.35338
Improving semigroup bounds with resolvent estimates. (English) Zbl 1496.47067
Reviewer: Sven-Ake Wegner (Hamburg)
Factorizing Lamé operator. (English) Zbl 07479639
Dichotomous Hamiltonians and Riccati equations for systems with unbounded control and observation operators. (English) Zbl 07396964
Kerner, Joachim (ed.) et al., Control theory of infinite-dimensional systems. Contributions of the workshop, Fernuniversität Hagen, Hagen, Germany, January 10–12, 2018. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 277, 158-194 (2020).
On the integral characteristic function of the Sturm-Liouville problem. (English. Russian original) Zbl 1462.34048
Sb. Math. 211, No. 11, 1539-1550 (2020); translation from Mat. Sb. 211, No. 11, 41-53 (2020).
Reviewer: Namig Guliyev (Baku)
Diagonalization of indefinite saddle point forms. (English) Zbl 1446.47002
Kurasov, Pavel (ed.) et al., Analysis as a tool in mathematical physics. In memory of Boris Pavlov. Collected papers presented at the conferences “Spectral Theory and Applications”, Stockholm, Sweden, March 13–15, 2016 and “Operator Theory, Analysis and Mathematical Physics – OTAMP2016”, Euler International Mathematical Institute, St. Petersburg, Russia, August 2–7, 2016. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 276, 373-400 (2020).
Some properties of solutions to the Riccati equations in connection with Bergman spaces. (English) Zbl 1444.47024
Reviewer: Hansong Huang (Nashville)
On Darboux transformations of Bessel functions. (Russian. English summary) Zbl 1463.34035
Cauchy-Schwarz inequality and Riccati equation for positive semidefinite matrices. (English) Zbl 1448.15024
Andrica, Dorin (ed.) et al., Differential and integral inequalities. Cham: Springer. Springer Optim. Appl. 151, 341-350 (2019).
Reviewer: Mojtaba Bakherad (Zahedan)
Solutions of the time-independent Schrödinger equation by uniformization on the unit circle. (English) Zbl 1478.34096
Optimal control on the doubly infinite time axis for well-posed linear systems. (English) Zbl 1420.49035
Solvability of the operator Riccati equation in the Feshbach case. (English. Russian original) Zbl 07083420
Math. Notes 105, No. 4, 485-502 (2019); translation from Mat. Zametki 105, No. 4, 483-505 (2019).
MSC:
47A52
Equivalence classes and linearization of the Riccati and Abel chain. (English) Zbl 1426.34046
Reviewer: Hao Wu (Nanjing)
Riccati equations and Berezin transforms for reproducing kernel Hilbert spaces of unit ball. (English) Zbl 1424.47031
Sensitivity analysis of the value function for infinite dimensional optimal control problems and its relation to Riccati equations. (English) Zbl 1415.49019
Reviewer: Tullio Zolezzi (Genova)
Singular value decay of operator-valued differential Lyapunov and Riccati equations. (English) Zbl 06950098
Existence of a mean-square stabilizing solution to a modified algebraic Riccati equation. (English) Zbl 1464.47047
Reviewer: K. C. Sivakumar (Chennai)
Nonoscillation of second-order linear equations involving a generalized difference operator. (English) Zbl 1382.39027
Elaydi, Saber (ed.) et al., Advances in difference equations and discrete dynamical systems. ICDEA, Osaka, Japan, July 24–28, 2016. Proceedings of the 22nd international conference on difference equations and applications. Singapore: Springer (ISBN 978-981-10-6408-1/hbk; 978-981-10-6409-8/ebook). Springer Proceedings in Mathematics & Statistics 212, 241-258 (2017).
Eigenvalues of stochastic Hamiltonian systems driven by Poisson process with boundary conditions. (English) Zbl 1382.34026
Riccati equations and Toeplitz-Berezin type symbols on Dirichlet space of unit ball. (English) Zbl 1454.47020
Solutions structure of integrable families of Riccati equations and their applications to the perturbed nonlinear fractional Schrödinger equation. (English) Zbl 1424.34004
Quantum mechanics: some basic techniques for some basic models. II: The techniques. (English) Zbl 1369.81032
On invariant graph subspaces. (English) Zbl 1373.47016
Stabilization and practical asymptotic stability of abstract differential equations. (English) Zbl 1359.34060
Generalized solutions of Riccati equalities and inequalities. (English) Zbl 1363.47017
Reviewer: Anatoly N. Kochubei (Kyïv)
Analysis of the rational Krylov subspace projection method for large-scale algebraic Riccati equations. (English) Zbl 06655499
Alternative proof of the a priori \(\tan \theta\) theorem. (English. Russian original) Zbl 1338.81203
Theor. Math. Phys. 186, No. 1, 83-92 (2016); translation from Teor. Mat. Fiz. 186, No. 1, 101-112 (2016).
Reproducing kernels, Engliš algebras and some applications. (English) Zbl 1372.47037
Reviewer: Alexei Yu. Karlovich (Lisboa)
Spectra and stability of spatially periodic pulse patterns: Evans function factorization via Riccati transformation. (English) Zbl 1336.35042
Reviewer: Denise Huet (Nancy)
State space formulas for a suboptimal rational Leech problem. II: parametrization of all solutions. (English) Zbl 06767992
Alpay, Daniel (ed.) et al., Recent advances in inverse scattering, Schur analysis and stochastic processes. A collection of papers dedicated to Lev Sakhnovich. Cham: Birkhäuser/Springer. Oper. Theory: Adv. Appl. 244, 149-179 (2015).
The algebraic Riccati equation and its role in indefinite inner product spaces. (English) Zbl 1335.47009
Alpay, Daniel (ed.), Operator theory. With 51 figures and 2 tables. In 2 volumes. Basel: Springer (ISBN 978-3-0348-0666-4/print; 978-3-0348-0667-1/ebook; 978-3-0348-0668-8/print+ebook; 978-3-0348-0692-3/online (updated continuously)). Springer Reference, 451-469 (2015).
Reviewer: Adhemar Bultheel (Leuven)
The shifted Jacobi polynomial integral operational matrix for solving Riccati differential equation of fractional order. (English) Zbl 1331.34013
Semi-decentralized approximation of optimal control of distributed systems based on a functional calculus. (English) Zbl 1329.49054
Solutions and approximations to the Riccati integral equation with values in a space of compact operators. (English) Zbl 1321.47164
A max-plus dual space fundamental solution for a class of operator differential Riccati equations. (English) Zbl 1347.49005
The infinite-dimensional optimal filtering problem with mobile and stationary sensor networks. (English) Zbl 1316.47024
Reviewer: Gheorghe Aniculăesei (Iaşi)
Convergence analysis for splitting of the abstract differential Riccati equation. (English) Zbl 1405.65082
Riccati type operator equation and Furuta’s question. (English) Zbl 1321.47035
Reviewer: Mohammad Sal Moslehian (Karlstad)
State space formulas for a suboptimal rational Leech problem. I: Maximum entropy solution. (English) Zbl 1318.47023
Optimal control on the doubly infinite continuous time axis and coprime factorizations. (English) Zbl 1322.49055
Complex structures in algebra, topology and differential equations. (English) Zbl 1338.17001
Reviewer: Ahmed Hegazi (Mansoura)
\({\lambda}\)-symmetries of some chains of ordinary differential equations. (English) Zbl 1388.34026
Reviewer: Ricardo Miranda Martins (Campinas)
MSC:
34C14
Dichotomous Hamiltonians with unbounded entries and solutions of Riccati equations. (English) Zbl 1320.47012
Reviewer: Michael Perelmuter (Kyïv)
The contraction rate in Thompson’s part metric of order-preserving flows on a cone – application to generalized Riccati equations. (English) Zbl 1291.93327
Reviewer: Boris Ivanovich Konosevich (Donetsk)
Rational matrix solutions of a Bezout type equation on the half-plane. (English) Zbl 1293.47028
Kaashoek, Marinus A. (ed.) et al., Advances in structured operator theory and related areas. The Leonid Lerer anniversary volume on the occasion of his 70th birthday. Basel: Birkhäuser/Springer (ISBN 978-3-0348-0638-1/hbk; 978-3-0348-0639-8/ebook). Operator Theory: Advances and Applications 237, 145-160 (2013).
Reviewer: Trieu Le (Toledo)
Sharpening the norm bound in the subspace perturbation theory. (English) Zbl 1288.47006
Reviewer: Miguel Lacruz (Sevilla)
Optimal vibration control for half-car suspension on in-vehicle networks in delta domain. (English) Zbl 1271.93101
Lyapunov exponents, one-dimensional Anderson localization and products of random matrices. (English) Zbl 1271.82009
Stability of discrete-time positive evolution operators on ordered Banach spaces and applications. (English) Zbl 1278.39025
Reviewer: Narcisa C. Apreutesei (Iaşi)
On one method of construction of symmetry operator \(C\). (Ukrainian. English summary) Zbl 1296.47011
Hyers-Ulam stability of the linear differential operator with nonconstant coefficients. (English) Zbl 1368.34075
Right invertible multiplication operators and stable rational matrix solutions to an associate Bezout equation. II: Description of all solutions. (English) Zbl 1257.47032
The a priori \(\tan \Theta\) theorem for spectral subspaces. (English) Zbl 1276.47010
Reviewer: Ali-Akbar Jafarian (West Haven)
Canonical factorization of rational matrix functions. A note on a paper by P. Dewilde. (English) Zbl 1328.47028
Stochastic comparison, boundedness, weak convergence, and ergodicity of a random Riccati equation with Markovian binary switching. (English) Zbl 1242.93131
Exact soliton solutions of the KP-mKP equation via the generalized tanh-function and the \((G'/G)\)-expansion methods. (English) Zbl 1399.47123
Hamiltonians with Riesz bases of generalised eigenvectors and Riccati equations. (English) Zbl 1275.47035
Reviewer: Mohammed Hichem Mortad (Oran)
Operator Stieltjes integrals with respect to a spectral measure and solutions of some operator equations. (English. Russian original) Zbl 1250.47021
Trans. Mosc. Math. Soc. 2011, 45-77 (2011); translation from Tr. Mosk. Mat. O.-va 2011, No. 1, 33 p. (2011).
Reviewer: Ilie Valuşescu (Bucureşti)
On operators of transition in Krein spaces. (English) Zbl 1248.47038
Reviewer: Andreas Fleige (Dortmund)
The WKB method and differential consequences of the Riccati equation. (English. Russian original) Zbl 1232.34114
Math. Notes 89, No. 6, 885-892 (2011); translation from Mat. Zametki 89, No. 6, 929-937 (2011).
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