Nghĩa của từ self-adjoint bằng Tiếng Việt

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Đặt câu có từ "self-adjoint"

1. Self-adjoint and unitary elements are normal.

2. In addition, they considered some first applications of the spectral theorem for self-adjoint operators to dissipative operators, including non-self-adjoint operators.

3. Adjoints and Self-Adjoint Operators Finite Dimensional Case Francis J

4. Of more interest is the existence of self-adjoint extensions.

5. The non self-adjoint operators are used within the regularity domain.

6. The Borel functional calculus extends to unbounded self-adjoint operators on a Hilbert space.

7. The index of an elliptic differential operator obviously vanishes if the operator is self adjoint.

8. Even a small non-self-adjoint perturbation could produce a point spectrum with extremely rich structure.

9. We will show that there is a self-adjoint scheme of even order corresponding to every method.

10. Subroutine PLTMG is a Fortran program for solving self-adjoint elliptic boundary value problems in general regions ofR2.

11. We discuss a necessary (but generally not sufficient) condition for a self-adjoint trace-class operator to be positive.

12. The existence of the eigenfrequencies arises from the theory of the completely continuous self-adjoint operators in an Hilbert space.

13. The non self-adjoint differential equation and boundary conditions are considered to have random field coefficients. The standard perturbation method is employed.

14. The right hand side is symmetric in v and w, so the shape operator is self-adjoint on the tangent space.

15. We show that this Hamiltonian is self-adjoint in the Fock space and semibounded when the number of electrons is kept constant.

16. As a result, although there were many findings from mathematical physics, the deep theoretical understanding of non-self-adjoint operators was missing.

17. For example, the exceptional formally real Jordan algebra is the Albert algebra of 3 by 3 self-adjoint matrices over the octonions.

18. For non-self-adjoint boundary-value- and eigenvalue-problems of ordinary differential equations variational principles are presented that include the boundary conditions as well.

19. In some sense, non-self-adjoint singular operators and particularly, the Schrödinger operators have always served as a testing ground for methods and theories.

20. In this paper the approximate solution of a self-adjoint linear differential system by a non-orthogonal finite sum is examined in its most general form.

21. A variational principle, applicable to a wide range of linear non-self-adjoint problems, is used to derive maximum and minimum principles for a magnetohydrodynamic channel flow.

22. Until the 1960s, the spectral analysis of non-self-adjoint operators that appear, for example, in phenomenological models of nuclear scattering remained to a large extent terra incognita.

23. A variational formulation, equivalent to an initial-value problem for nonlinear systems, not necessarily self-adjoint, is derived with applications to linear and nonlinear wave problems and transonic aerodynamics.

24. We reanalyzed this apparently controversial problem, approaching it from a Fourier-transform representation method combined with some fundamental (basic) ideas found in self-adjoint extensions of symmetric operators.

25. The self-adjoint form of the classical equation of motion of the harmonic oscillator is used to derive a Hamiltonian-like equation and the Schrödinger equation in quantum mechanics.

26. Using the self-adjoint schemes with lower order, we can construct higher order schemes by “composing” a method, and this constructing process can be continued to get arbitrary even order schemes.

27. After solving the non-self-adjoint boundary value problem, various shapes of characteristic curves are found showing that other stability constraints should be taken into account to reach an optimal solution.

28. A measure that takes values in the set of self-adjoint projections on a Hilbert space is called a projection-valued measure; these are used in functional analysis for the spectral theorem.

29. This paper is concerned with the application of preconditioning techniques to the well known Jacobi iterative method for solving the finite difference equations derived from the discretization of self-adjoint elliptic partial differential equations.

30. We restrain our considerations to the linear, self-adjoint, constant coefficient case but—in contrast to [1], [9]—we make no assumptions about the nature of the stiff spectrum; the stiff eigenvalues may be arbitrarily distributed on the negative real axis.

31. The optimal qualities of an algebraic equation corresponding to a self-adjoint homogeneous boundary-value-problem are symmetrical system-matrices, approximation functions without restrictions by boundary conditions, approximation of the eigenvalues from one side and reduction of the order. Combining Ritz's method with that of collocation, the optimal qualities are achieved to a high degree.