Hankel and Toeplitz-Schur multipliers. / Александров, Алексей Борисович; Peller, V. V.
In: Mathematische Annalen, Vol. 324, No. 2, 2002, p. 277-327.Research output: Contribution to journal › Article › peer-review
}
TY - JOUR
T1 - Hankel and Toeplitz-Schur multipliers
AU - Александров, Алексей Борисович
AU - Peller, V. V.
PY - 2002
Y1 - 2002
N2 - We study the problem of characterizing Hankel-Schur multipliers and Toeplitz-Schur multipliers of Schatten-von Neumann class Sp for 0 < p < 1. We obtain various sharp necessary conditions and sufficient conditions for a Hankel matrix to be a Schur multiplier of Sp. We also give a characterization of the Hankel-Schur multipliers of Sp whose symbols have lacunary power series. Then the results on Hankel-Schur multipliers are used to obtain a characterization of the Toeplitz-Schur multipliers of Sp. Finally, we return to Hankel-Schur multipliers and obtain new results in the case when the symbol of the Hankel matrix is a complex measure on the unit circle.
AB - We study the problem of characterizing Hankel-Schur multipliers and Toeplitz-Schur multipliers of Schatten-von Neumann class Sp for 0 < p < 1. We obtain various sharp necessary conditions and sufficient conditions for a Hankel matrix to be a Schur multiplier of Sp. We also give a characterization of the Hankel-Schur multipliers of Sp whose symbols have lacunary power series. Then the results on Hankel-Schur multipliers are used to obtain a characterization of the Toeplitz-Schur multipliers of Sp. Finally, we return to Hankel-Schur multipliers and obtain new results in the case when the symbol of the Hankel matrix is a complex measure on the unit circle.
UR - http://www.scopus.com/inward/record.url?scp=0035981381&partnerID=8YFLogxK
U2 - 10.1007/s00208-002-0339-z
DO - 10.1007/s00208-002-0339-z
M3 - Article
VL - 324
SP - 277
EP - 327
JO - Mathematische Annalen
JF - Mathematische Annalen
SN - 0025-5831
IS - 2
ER -
ID: 5204498