2021
DOI: 10.1070/im9047
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On a lower bound for the rate of convergence of multipoint Padé approximants of piecewise analytic functions

Abstract: We obtain a lower bound for the rate of convergence of multipoint Padé approximants of functions holomorphically extendable from a compact set to a union of domains whose boundaries possess a symmetry property. The bound obtained matches a known upper bound for the same quantity.

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Cited by 2 publications
(2 citation statements)
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“…Relation (38) follows from (37) and ( 42) by the two-constants theorem (cf. [15], § 3.8, formulae (31)-(36), and [3]).…”
Section: 5mentioning
confidence: 99%
See 1 more Smart Citation
“…Relation (38) follows from (37) and ( 42) by the two-constants theorem (cf. [15], § 3.8, formulae (31)-(36), and [3]).…”
Section: 5mentioning
confidence: 99%
“…In what follows we fix a certain analogue of the so-called spherical normalization for Q n (see [5] and [3]).…”
mentioning
confidence: 99%