Mr Tianxiao Zhao MRes School of MathematicsPhD Student Contact details Emailtxz955@student.bham.ac.uk AddressSchool of MathematicsWatson BuildingUniversity of Birmingham Edgbaston Birmingham B15 2TT UK Tianxiao Zhao is a PhD student in pure mathematics in the School of Mathematics under the supervision of Professor Sergey Shpectorov. His research interests are in algebraic graph theory. Qualifications MRes in Pure Mathematics, University of Birmingham, 2019 Doctoral research PhD titleOn the non-existence of srg-(85,14,3,2)SupervisorProfessor Sergey ShpectorovCoursePure Mathematics PhD Research Research themes Linear Algebra Graph Theory