PhD Studentship: Reduction of high-dimensional stochastic simulations of biochemical network models.
- Employer
- Global Academy Jobs
- Location
- United Kingdom
- Closing date
- Dec 20, 2017
View more
- Sector
- Science, Physical Sciences and Engineering, Chemical Engineering, Chemistry
- Hours
- Full Time
- Organization Type
- University and College
- Jobseeker Type
- Academic (e.g. 'Lecturer')
Job Details
Engineering & the Environment
Location: Highfield Campus
Closing Date: Wednesday 20 December 2017
Reference: 820416F2
PROJECT REFERENCE: NGCM - 0060
Biological models of systems, such as in the study of fundamental biology of stem cells, or the initiation and evolution of cancer, involve large number of variables undergoing reactions at multiple time-scales, and need to capture variability at single cell level. In order to account for this stochasticity, continuous time Markov (CTM) processes are used to describe (and simulate) the system. Even for very simple systems that may be computationally tractable, in order to gain insight into how systemic properties might depend on the many variables, or the many parameters characterising component reactions, it is customary to reduce them to simpler models, such as those involving stochastic differential equations (SDE), which can then be held answerable to empirical or theoretical queries. It is a challenging task to find suitable tractable descriptions that remain faithful to the complexity of behaviour of large simulation models. This project will build upon formalisms that focus on slow-scale trajectories between fixed points of deterministic systems and reinterprets them in the language of correspondence between optics and mechanics, where shortest path constraints determines the trajectories of particles in mechanics or light rays. This correspondence will provide criteria of acceptance of model reduction outcomes that are amenable to such a shortest path description. By providing a simulation based test-bed for these ideas, the project will explore the applicability of qualitative descriptions of high-dimensional data that is commonplace in the fields of singlecell genomic descriptions of the differentiation pathways of stem cells and development of cancer cells.
This project is run through participation in the EPSRC Centre for Doctoral Training in Next Generation Computational Modelling (http://ngcm.soton.ac.uk). For details of our 4 Year PhD programme, please see http://www.findaphd.com/search/PhDDetails.aspx?CAID=331&LID;=2652
For a details of available projects click here http://www.ngcm.soton.ac.uk/projects/index.html
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- Job Description and Person Specification
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