Results 41 to 50 of about 1,286,443 (317)

Spectral and scattering theory for perturbations of the Carleman operator [PDF]

, 2012
We study spectral properties of the Carleman operator (the Hankel operator with kernel $h_{0}(t)=t^{-1}$) and, in particular, find an explicit formula for its resolvent. Then we consider perturbations of the Carleman operator $H_{0}$ by Hankel operators $
Yafaev, D. R.
core   +2 more sources

Operator-Based Nonlinear Control for a Miniature Flexible Actuator Using the Funnel Control Method

Machines, 2021
Recently, the studies of soft actuators have been getting increased attention among various fields. Soft actuators are very safe for fragile objects and have an affinity to humans because they are composed of flexible materials.
Keisuke Ueno, Shuhei Kawamura, Mingcong Deng   +2 more
doaj   +1 more source

On quantitative operator K-theory [PDF]

Annales de l’institut Fourier, 2015
In this paper, we develop a quantitative K-theory for filtered C*-algebras. Particularly interesting examples of filtered C*-algebras include group C*-algebras, crossed product C*-algebras and Roe algebras. We prove a quantitative version of the six term exact sequence and a quantitative Bott periodicity. We apply the quantitative K-theory to formulate
Guoliang Yu, Hervé Oyono-Oyono
openaire   +3 more sources

Experimental Study on Support Vector Machine-Based Early Detection for Sensor Faults and Operator-Based Robust Fault Tolerant Control

Machines, 2022
Considering sensor faults for a thermoelectric cooler actuated by Peltier devices, this work proposes an operator-based robust nonlinear fault tolerant controller (FTC) integrated with early fault detection using a support vector machine (SVM).
Mingcong Deng, Yuki Tanaka, Ximei Li
doaj   +1 more source

Operational theories as structural realism

Studies in History and Philosophy of Science, 2022
We undertake a reconstruction of the epistemic significance of research on operational theories in quantum foundations. We suggest that the space of operational theories is analogous to the space of possible worlds employed in the possible world semantics for modal logic, so research of this sort can be understood as probing modal structure.
openaire   +4 more sources

Resonance Theory for Schrödinger Operators [PDF]

Communications in Mathematical Physics, 2001
Resonances which result from perturbation of embedded eigenvalues are studied by time dependent methods. A general theory is developed, with new and weaker conditions, allowing for perturbations of threshold eigenvalues and relaxed Fermi Golden rule. The exponential decay rate of resonances is addressed; its uniqueness in the time dependent picture is ...
Avy Soffer, Ovidiu Costin
openaire   +4 more sources

Cornerstones of Sampling of Operator Theory

, 2015
This paper reviews some results on the identifiability of classes of operators whose Kohn-Nirenberg symbols are band-limited (called band-limited operators), which we refer to as sampling of operators.
A. Papoulis, C. Shannon, C.W. Helstrom, D. Donoho, F. Krahmer, F. Krahmer, F. Krahmer, G. Turin, G.E. Pfander, G.E. Pfander, G.E. Pfander, G.E. Pfander, G.E. Pfander, G.E. Pfander, G.E. Pfander, G.E. Pfander, G.E. Pfander, G.E. Pfander, G.E. Pfander, G.L. Hardy, H.G. Feichtinger, H.J. Landau, H.J. Landau, H.K. Markey, J. Chiu, J. Lawrence, K. Gröchenig, K. Seip, K. Seip, L. Applebaum, L.A. Zadeh, N. Wiener, P. Stevenhagen, P. Zheltov, P. Zheltov, P.A. Bello, P.E. Green, R. Heckel, R. Price, R. Price, R. Price, R. Price, R.-D. Malikiosis, R.A. Scholtz, R.I. Pickholtz, T. Kailath, T. Kailath, T. Kailath, W. Kozek, W. Ward, W.U. Bajwa, Y.I. Lyubarskii, Y.M. Hong   +52 more
core   +1 more source

A Calculation of the plane wave string Hamiltonian from N=4 super-Yang-Mills theory [PDF]

, 2002
Berenstein, Maldacena, and Nastase have proposed, as a limit of the strong form of the AdS/CFT correspondence, that string theory in a particular plane wave background is dual to a certain subset of operators in the N=4 super-Yang-Mills theory.
A. Parnachev, A. Santambrogio, Andrei Mikhailov, C. Kristjansen, C.-S. Chu, C.-S. Chu, C.-S. Chu, D. Berenstein, David J Gross, H. Verlinde, J. Gomis, J. Pearson, M. Bianchi, M. Spradlin, N. Beisert, N.R. Constable, N.R. Constable, Radu Roiban, S. Minwalla, U. Gürsoy, Y.-J. Kiem   +20 more
core   +3 more sources

Data‐driven performance metrics for neural network learning

International Journal of Adaptive Control and Signal Processing, EarlyView., 2023
Summary Effectiveness of data‐driven neural learning in terms of both local mimima trapping and convergence rate is addressed. Such issues are investigated in a case study involving the training of one‐hidden‐layer feedforward neural networks with the extended Kalman filter, which reduces the search for the optimal network parameters to a state ...
Angelo Alessandri, Mauro Gaggero, Marcello Sanguineti   +2 more
wiley   +1 more source

Some Seminormed Difference Sequence Spaces over n-Normed Spaces Defined by a Musielak-Orlicz Function of Order (α,β)

Journal of Function Spaces, 2018
We first define the notion of lacunary statistical convergence of order (α,β), and taking this notion into consideration, we introduce some seminormed difference sequence spaces over n-normed spaces with the help of Musielak-Orlicz function M=(Mk) of ...
S. A. Mohiuddine, Sunil K. Sharma, Dina A. Abuzaid   +2 more
doaj   +1 more source