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Details of Grant 

EPSRC Reference: EP/C515056/1
Title: Random Matrices and Polynomials: a tool to understand complexity
Principal Investigator: Fyodorov, Professor Y
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Researcher Co-Investigators:
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Department: Sch of Mathematical Sciences
Organisation: University of Nottingham
Scheme: Standard Research (Pre-FEC)
Starts: 26 September 2005 Ends: 25 September 2008 Value (£): 163,124
EPSRC Research Topic Classifications:
Mathematical Analysis Non-linear Systems Mathematics
EPSRC Industrial Sector Classifications:
No relevance to Underpinning Sectors
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Summary on Grant Application Form
Complexity is an interdisciplinary concept which, in particular, addressesthe question of how order emerges out of randomness and interactions. For many reasons random matrices provide a very practical and powerful tool in approaching and quantifying the related characteristics.We are going to use recently advanced random matrix techniques and ideas to provide, in particular (i) Explicit and mathematically controllable statistical characterisation of landscape complexity (i.e. the number of minima, maxima, and saddle-points of various types)for random energy landscapes in disordered systemswith glassy dynamics (manifolds in random environment, systems with random fields, etc. ). (ii) ways of establishing probabilistic criteria of stability, as well as dynamic propertiesof complex linear systems with inherent structural uncertainty.(iii) investigation of statistics of roots for various types of random polynomials (polynomials with random coefficients, as well as so called permanental polynomials generated by random matrices), with emphasis on universality of the obtained results (i.e. insensitivity to thedetails of particular models considered).
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Organisation Website: http://www.nottingham.ac.uk