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math.CA2005
Characterizations of function spaces on the sphere using frames
Feng Dai
In this paper we introduce a polynomial frame on the unit sphere $\sph$ of , for which every distribution has a wavelet-type decomposition. More importantly, we prove…
math.CA2005
Approximation of smooth functions on compact two-point homogeneous spaces
Gavin Brown, Feng Dai
Estimates of Kolmogorov -widths and linear -widths $\da_n(B_p^r, L^q)$, () of Sobolev's classes , (, ) o…