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Closed Range Integral Operators on Fock Spaces
We study the closed range problem for generalized Volterra-type integral operators on Fock spaces. We first answer the problem using the notions of...
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Composition operators with closed range on the Dirichlet space
It is well known that the composition operator on Hardy or Bergman space has a closed range if and only if its Nevanlinna counting function induces a...
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Closed range Volterra-type integral operators and dynamical sampling
We solve the closed range problem for Volterra-type integral operator on Fock spaces. Several applications of the result related to the operators...
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On Wold Type Decomposition for Closed Range Operators
This survey aims to give a brief introduction to Wold-type decomposition for some closed range operators satisfying some operator inequalities. As a...
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Closed Range Composition Operators on BMOA
We employ a new reverse Carleson type condition and define a new sampling condition to study closed range composition operators on BMOA . We provide...
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A note on modular frames for closed range operators in Hilbert \(\mathcal {C}^{*}\)-modules
One of the most important problems in the study of frames and its extensions is the invariance of these systems under perturbation. The current paper...
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A class of closed manifolds in nonseparable Hilbert spaces
In this paper, we consider a class of generalized closed linear manifolds in a nonseparable Hilbert space H , which is closely related to the...
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Closed and Open Maps for Partial Frames
This paper concerns the notions of closed and open maps in the setting of partial frames, which, in contrast to full frames, do not necessarily have...
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Fejér–Riesz factorization in the QRC-subalgebra and circularity of the quaternionic numerical range
We provide a characterization when the quaternionic numerical range of a matrix is a closed ball with center 0. The proof makes use of Fejér–Riesz...
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Effect of the Cone-Shaped End Vertex Angle of a Closed Tube on Resonant Gas Oscillations
AbstractThere has been a study of resonant gas oscillations in a closed tube with different vertex angle of the cone-shaped end. Amplitude-frequency...
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The Essential Range and Irreducibility
The local limit theorem may fail for additive functionals whose range can be reduced by subtracting a center-tight functional. In this chapter we...
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An efficient rotational pressure-correction schemes for 2D/3D closed-loop geothermal system
In this paper, the rotational pressure-correction schemes for the closed-loop geothermal system are developed and analyzed. The primary benefit of...
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An equivalent formulation of 0-closed sesquilinear forms
In 1970, McIntosh introduced the so-called 0-closed sesquilinear forms and proved a corresponding representation theorem. In this paper, we give a...
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Closed-form steady-state solutions for forced vibration of second-order axially moving systems
Second-order axially moving systems are common models in the field of dynamics, such as axially moving strings, cables, and belts. In the traditional...
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Open vs. Closed Systems
By a closed system we mean a system that does not exchange any matter with its surroundings. Closed system In addition, an isolated system does not...
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Approximate Oblique Dual g-Frames for Closed Subspaces of Hilbert Spaces
In this paper, we first introduce the notion of approximate oblique dual g -frames for closed subspaces in Hilbert spaces and give a characterization....
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Some Remarks on Linear-Quadratic Closed-Loop Games with Many Players
We identify structural assumptions which provide solvability of the Nash system arising from a linear-quadratic closed-loop game, with stable...