%0 Journal Article %T Splines and index theorem %A C. Procesi %J Bulletin of Mathematical Sciences %@ 1664-3615 %D 2012 %I Springer %R 10.1007/s13373-011-0013-4 %X In this article we want to present a meeting ground between rather different mathematical topics from numerical analysis to index theory and symplectic geometry. The unifying idea is that of linear representation of tori inside which the combinatorics, analysis and geometry is developed. %U http://link.springer.com/article/10.1007/s13373-011-0013-4