James Ritchie Norris (born 29 August 1960) is a mathematician working in

probability theory Probability theory or probability calculus is the branch of mathematics concerned with probability. Although there are several different probability interpretations, probability theory treats the concept in a rigorous mathematical manner by expre ...

and

stochastic analysis Stochastic calculus is a branch of mathematics that operates on stochastic processes. It allows a consistent theory of integration to be defined for integrals of stochastic processes with respect to stochastic processes. This field was created an ...

. He is the Professor of Stochastic Analysis in the

Statistical Laboratory, University of Cambridge Statistics (from German: ', "description of a state, a country") is the discipline that concerns the collection, organization, analysis, interpretation, and presentation of data. In applying statistics to a scientific, industrial, or social ...

. He has made contributions to areas of mathematics connected to

and

mathematical analysis Analysis is the branch of mathematics dealing with continuous functions, limit (mathematics), limits, and related theories, such as Derivative, differentiation, Integral, integration, measure (mathematics), measure, infinite sequences, series ( ...

, including

Malliavin calculus In probability theory and related fields, Malliavin calculus is a set of mathematical techniques and ideas that extend the mathematical field of calculus of variations from deterministic functions to stochastic processes. In particular, it allows ...

, heat kernel estimates, and mathematical models for

coagulation Coagulation, also known as clotting, is the process by which blood changes from a liquid to a gel, forming a thrombus, blood clot. It results in hemostasis, the cessation of blood loss from a damaged vessel, followed by repair. The process of co ...

and fragmentation. He was awarded the

Rollo Davidson Prize The Rollo Davidson Prize is a prize awarded annually to early-career probabilists by the Rollo Davidson trustees. It is named after English mathematician Rollo Davidson (1944–1970). Rollo Davidson Trust In 1970, Rollo Davidson, a Fellow-e ...

in 1997. Norris was an undergraduate at

Hertford College, Oxford Hertford College ( ), previously known as Magdalen Hall, is a colleges of the University of Oxford, constituent college of the University of Oxford in England. It is located on Catte Street in the centre of Oxford, directly opposite the main ga ...

where he graduated in 1981. He completed his D.Phil in 1985 at

Wolfson College, Oxford Wolfson College () is a Colleges of the University of Oxford, constituent college of the University of Oxford in England. Wolfson is an all-graduate college, it prides itself on being one of the most international colleges at Oxford, with part ...

under the supervision of David Edwards. He was a research assistant from 1984 to 1985 at the University College of Swansea before moving in 1985 to a lectureship at

Cambridge University The University of Cambridge is a Public university, public collegiate university, collegiate research university in Cambridge, England. Founded in 1209, the University of Cambridge is the List of oldest universities in continuous operation, wo ...

and a Fellowship of

Churchill College, Cambridge Churchill College is a Colleges of the University of Cambridge, constituent college of the University of Cambridge in Cambridge, England. It has a primary focus on science, engineering and technology, but retains a strong interest in the arts ...

. He was appointed Professor of Stochastic Analysis in 2005. He is the director of the Statistical Laboratory, a trustee of the Rollo Davidson Trust and co-director of the Cambridge Centre for Analysis.

Selected publication

References

{{DEFAULTSORT:Norris, James 20th-century English mathematicians Alumni of Hertford College, Oxford Alumni of Wolfson College, Oxford 21st-century English mathematicians Fellows of Churchill College, Cambridge 1960 births Living people Cambridge mathematicians Probability theorists