Interpolation and Sampling with Exponential Splines of Real Order

Peter Massopust
2021 Results in Mathematics  
AbstractThe existence of fundamental cardinal exponential B-splines of positive real order $$\sigma $$ σ is established subject to two conditions on $$\sigma $$ σ and their construction is implemented. A sampling result for these fundamental cardinal exponential B-splines is also presented.
doi:10.1007/s00025-021-01404-7 fatcat:klwluwbj2jfdfodtbeadwdggwy