Asymptotic formulae for s-numbers of a Sobolev embedding and a Volterra type operator

作者：Edmunds David E; Lang Jan^*

来源：Revista Matematica Complutense, 2016, 29(1): 1-11.

DOI：10.1007/s13163-015-0175-9

• Approximation numbers
• Sobolev embedding
• Volterra-type operator

Sharp upper and lower estimates are obtained of the approximation numbers of a Sobolev embedding involving second derivatives and an integral operator of Volterra type. These lead to asymptotic formulae for the approximation numbers and certain other s-numbers.

• 出版日期2016-1