Search Results - "Spence, Alastair"

Flexible Krylov Methods for Edge Enhancement in Imaging by Gazzola, Silvia, Scott, Sebastian James, Spence, Alastair

“…Many successful variational regularization methods employed to solve linear inverse problems in imaging applications (such as image deblurring, image…”
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A New Intrinsic Thermal Parameter for Enzymes Reveals True Temperature Optima by Peterson, Michelle E, Eisenthal, Robert, Danson, Michael J, Spence, Alastair, Daniel, Roy M

“…Two established thermal properties of enzymes are the Arrhenius activation energy and thermal stability. Arising from anomalies found in the variation of…”
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Implicitly restarted Arnoldi with purification for the shift-invert transformation by Meerbergen, Karl, Spence, Alastair

“…The need to determine a few eigenvalues of a large sparse generalised eigenvalue problem Ax=\lambda Bx with positive semidefinite B arises in many physical…”
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A new approach for calculating the real stability radius by Freitag, Melina A., Spence, Alastair

“…We present a new fast algorithm to compute the real stability radius with respect to the open left half plane which is an important problem in many engineering…”
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Applying GMRES to the Helmholtz equation with strong trapping: how does the number of iterations depend on the frequency? by Marchand, P., Galkowski, J., Spence, E. A., Spence, A.

“…We consider GMRES applied to discretisations of the high-frequency Helmholtz equation with strong trapping; recall that in this situation the problem is…”
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Is the transcript from the overlapping region of two converging genes part of either gene? by Spence, Alastair

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Photonic band structure calculations using nonlinear eigenvalue techniques by Spence, Alastair, Poulton, Chris

“…This paper considers the numerical computation of the photonic band structure of periodic materials such as photonic crystals. This calculation involves the…”
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The computation of Jordan blocks in parameter-dependent matrices by Akinola, R. O., Freitag, M. A., Spence, A.

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A tuned preconditioner for inexact inverse iteration applied to Hermitian eigenvalue problems by Freitag, Melina A., Spence, Alastair

“…In this paper, we consider the computation of an eigenvalue and the corresponding eigenvector of a large sparse Hermitian positive-definite matrix using…”
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Inexact inverse iteration for symmetric matrices by Berns-Müller, Jörg, Graham, Ivan G., Spence, Alastair

“…In this paper we analyse inexact inverse iteration for the real symmetric eigenvalue problem Av = λ v. Our analysis is designed to apply to the case when A is…”
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The Association of Anaesthetists of Great Britain and Ireland 1932-1992 and the Development of the Specialty of Anaesthesia. Sixty Years of Progress in the Context of Scientific, Political and Social Change by Spence, Alastair A

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Applying GMRES to the Helmholtz equation with strong trapping: how does the number of iterations depend on the frequency? by Marchand, Pierre, Galkowski, Jeffrey, Spence, Alastair, Spence, Euan A

“…We consider GMRES applied to discretisations of the high-frequency Helmholtz equation with strong trapping; recall that in this situation the problem is…”
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“This is no Humbug!” Reminiscences of the Department of Anesthesia at the Massachusetts General Hospital by Spence, Alastair A.

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A new intrinsic thermal parameter for enzymes reveals true temperature optima. VOLUME 279 (2004) PAGES 20717-20722 by Peterson, Michelle E., Eisenthal, Robert, Danson, Michael J., Spence, Alastair, Daniel, Roy M.

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Occupational Hazards for Operating Room-Based Physicians: Analysis of Data From the United States and the United Kingdom by Spence, Alastair A, Cohen, Ellis N, Brown, Byron W, Knill-Jones, Robin P, Himmelberger, David U

“…Comparative analysis of data from three large retrospective surveys in the United States and the United Kingdom reaffirms an increased incidence of spontaneous…”
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Convergence of inexact inverse iteration with application to preconditioned iterative solves by Freitag, Melinda A, Spence, Alastair

“…Inneholder sammendrag…”
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Effects on health of work in hospitals by Spence, Alastair A

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The calculation of the distance to a nearby defective matrix by Freitag, Melina A, Spence, Alastair

“…In this paper a new fast algorithm for the computation of the distance of a matrix to a nearby defective matrix is presented. The problem is formulated…”
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Trainee Anaesthetists by Spence, Alastair A.

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Hunting for homoclinic orbits in reversible systems: A shooting technique by Champneys, Alan R., Spence, Alastair

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