This work is supported by a Royal Society grant.

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Every year researchers, who use the resources from Dirac, come together for a one day meeting (called Dirac Day) to share research results and experiences. This year Dirac Day is in Exeter.

Craig McNeile is presenting a poster with the title:

Using parallel eigensolvers in lattice QCD calculations

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The Chern Insitute is a legacy of Prof. S-S Chern who had the vision of having a symposium at his Alma Mater of Nankai University in the direction of the dialogue between modern mathematics and theoretical physics.

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Dr Ben King and Dr Tom Heinzl, both Lecturers in Theoretical Physics, have received the 2016 Editor-in-Chief Choice Award from the journal *High Power Laser Science and Engineering* (HPL). Their paper *Measuring vacuum polarization with high-power lasers *(doi: 10.1017/hpl.2016.1) was commended for delivering ‘new and important results’, and the pair have been invited to collect the award and give a talk on their research at the 3rd International Symposium on High Power Laser Science and Engineering in Suzhou, China next year.

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The pictures were painted by the local artist Jo beer. There is more information about the exhibition here.

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The ultimate goal was to learn enough physics to work with IBM’s quantum computer in the cloud.

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If external support can be found, staff can take a sabbatical, typically for a year, at another institution, so that can concentrate on their research. Dr. Antonio Rago from CMS is visiting CERN for the year 2017-2018 to work on research full time. He is working in the theory division of CERN.

]]>Abstract:

Difference algebra has been studied in analogy to differential algebra. However, concepts such as characteristic sets for differential systems have not been developed in the same generality for difference systems yet. In particular, methods such as the Rosenfeld-Gröbner algorithm, regular chains and Thomas decomposition for differential systems are not available for difference systems. Among the

many applications of difference algebra is, e.g., the consistency analysis of finite difference schemes for partial differential equations.

This talk presents results of trying to transfer the concept of differential Thomas decomposition to systems of nonlinear difference equations and develop a symbolic package for systems of nonlinear difference equations. It reports on joint work with Vladimir Gerdt

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This tool has been used to understand how variables such as population structure and GDP per Capita have changed over time in each region.