If you would like to study in University of Sussex, United Kingdom and pursue Full Time Phd Program in Mathematics you can avail University of Sussex Fully-Funded Phd Studentships which is being offered by the University of Sussex.
This is a Phd Program Merit Based Scholarship and students are eligible from UK/EU Students to apply for the same. Only Few such award is being offered and the deadline for application is 31-Aug-15.
This Scholarship will offer you £14057 (2015-16) per annum tax-free bursary and waiver of UK/EU fees each year for 3 years.
Further details:
http://www.scholarshipstimes.com