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PhD Studentship: Correlation Ensembles in Complex Networks

Coventry University - Centre for Fluid and Complex Systems

Qualification Type: PhD
Location: Coventry
Funding for: UK Students, EU Students, International Students
Funding amount: Fully Funded with stipend
Hours: Full Time
Placed On: 20th December 2022
Closes: 1st April 2023

The project is centred on characterizing a new type of complex network ensemble. In studying complex systems, researchers often use graph-sampling methods to build networks obeying given constraints, such as a degree sequence or a joint-degree matrix (JDM). This project concerns how to directly determine the JDMs corresponding to a given degree sequence. 

JDMs uniquely specify the degree sequences of the graphs that realize them; however, the vice versa is not necessarily true, as, in general, each degree sequence can be realized by graphs with different JDMs. Currently, the only way of determining the typical degree correlations of a graph family is sampling their degree sequence or degree distribution and then measure the correlations of the resulting networks. The first goal will be to create an algorithm to build and sample the JDMs corresponding to a given degree sequence without passing through the middle step of explicit graph construction, using a self-consistent approach to identify the bounds on the elements of partially built matrices. 

The algorithm will then be used to study and compare the correlation ensembles of the main families of complex networks, shedding light on the mesoscopic relations that give rise to the observed preferred correlation structures. 

Entry criteria for applicants to PhD  

  • A bachelor’s (honours) degree in a relevant discipline/subject area with a minimum classification of 2:1 and a minimum mark of 60% in the project element (or equivalent), or an equivalent award from an overseas institution. 
    PLUS  
  • the potential to engage in innovative research and to complete the PhD within 3.5 years 
  • An adequate proficiency in English must be demonstrated by applicants whose first language is not English.  The general requirement is a minimum overall IELTS Academic score of 7.0 with a minimum of 6.5 in each of the four sections, or the TOEFL iBT test with a minimum overall score of 95 with a minimum of 21 in each of the four sections. 

For further details please visit:  https://www.coventry.ac.uk/research/research-opportunities/research-students/making-an-application/research-entry-criteria/ 

https://www.coventry.ac.uk/research/research-opportunities/research-students/making-an-application/ 

To apply on line please visit: Home Page | PGR+ Application (coventry.ac.uk)

Details of all available research opportunities at Coventry University can be found via 

https://www.coventry.ac.uk/research/research-opportunities/ 

All applications require full supporting documentation, and a covering letter – plus one of the following ( please select one option) 

  • For pre-determined (named) projects an up-to 2000-word supporting statement is required showing how the applicant’s expertise and interests are relevant to the project.  

or 

  • For thematic opportunities a research proposal based within the selected theme/area of approx. 3,000 words is required. 

To find out more about the project please contact:

Dr. Charo del Genio (ad0364@coventry.ac.uk

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