Two-sided estimates for the approximation numbers of Hardy-type operators in L∞ and L1

Studia Mathematica

Volumn 130, Issue 2, 1998, Pages 171-192

  Evans, W D ^a   Harris, D J ^a   Lang, J ^a  

^a CARDIFF UNIVERSITY   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0001171917     PISSN: 00393223     EISSN: None     Source Type: Journal    
DOI: 10.4064/sm-130-2-171-192     Document Type: Article

References (6)

1. D. E. Edmunds and W. D. Evans, Spectral Theory and Differential Operators, Oxford Univ. Press, Oxford, 1987.
2. D. E. Edmunds, W. D. Evans and D. J. Harris, Approximation numbers of certain Volterra integral operators, J. London Math. Soc. (2) 37 (1988), 471-489.
3. _, Two-sided estimates of the approximation numbers of certain Volterra integral operators, Studia Math. 124 (1997), 59-80.
4. D. E. Edmunds, P. Gurka and L. Pick, Compactness of Hardy-type integral operators in weighted Banach function spaces, ibid. 109 (1994), 73-90.
5. J. Newman and M. Solomyak, Two-sided estimates of singular values for a class of integral operators on the semi-axis, Integral Equations Operator Theory 20 (1994), 335-349.
6. B. Opic and A. Kufner, Hardy-type Inequalities, Pitman Res. Notes Math. Ser. 219, Longman Sci. & Tech., Harlow, 1990.