# EP/G01387X/1 - Matrix and Operator Pencils Network

Research Perspectives grant details from EPSRC portfolio

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Source RCUK EPSRC Data

Research Perspectives grant details from EPSRC portfolio

Principal Investigator - Sch of Mathematics, Cardiff University

Start Date

09/2009

End Date

09/2012

Value

£123,365

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Grant Description

Summary and Description of the grant

Matrix and operator pencils are mathematical problems which arise in many physical sciences, including very old and classical problems like the Cosserat problem in elasticity, as well as problems arising from modern technology, such as how to make an aerodynamically unstable jet fighter flyable by means of a feedback control system or how to keep a plasma stable in a particle accelerator.These systems may be thought of as polynomial equations in which the coefficients are not just real numbers: rather, they are matrices (often so large that just to store them on a computer would be problematic) or more general mathematical objects called `operators'. The polynomial equations have to be `solved' in some sense to determine values of a physical parameter for which a system is stable or unstable, controllable or uncontrollable. The sets of `solutions' of these equations are called `spectra'.There has been independent research on these problems by mathematicians, physicists and engineers at least since the early 1960s, but the three communities have not engaged with each other sufficiently. Mathematicians are often unaware of the newest challenges in applications, while applied scientists have not yet been able to benefit from the recent advances in the study of the spectra of operator pencils and new methods to approximate them. The purpose of this grant is to bring the three communities together, building on some small existing points of contact and a new enthusiasm in the three communities for interdisciplinary research, to hold meetings, to solve outstanding problems, to disseminate their work in the wider scientific community through a website and to establish new research alliances which should outlast the network.The network will enhance the exposure of mathematicians to more realistic and challenging application problems, bring recent new mathematical technologies to bear on engineering problems, and allow all three communities to benefit from and contribute to the great challenge of devising numerical methods and software for matrix and operator pencils with interesting and diverse structural constraints.

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Grant Event Details:

Name: Matrix and Operator Pencils Network - EP/G01387X/1

Start Date: 2009-09-25T00:00:00+00:00

End Date: 2012-09-24T00:00:00+00:00

Organization: Cardiff University

Description: Matrix and operator pencils are mathematical problems which arise in many physical sciences, including very old and classical problems like the Cosserat problem in elasticity, as well as problems arising from modern technology, such as how to make an aerod ...