Restriction Operators Acting on Radial Functions on Vector Spaces over Finite Fields
Canadian mathematical bulletin, Tome 57 (2014) no. 4, pp. 834-844
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We study ${{L}^{p}}\to {{L}^{r}}$ restriction estimates for algebraic varieties $V$ in the case when restriction operators act on radial functions in the finite field setting. We show that if the varieties $V$ lie in odd dimensional vector spaces over finite fields, then the conjectured restriction estimates are possible for all radial test functions. In addition, assuming that the varieties $V$ are defined in even dimensional spaces and have few intersection points with the sphere of zero radius, we also obtain the conjectured exponents for all radial test functions.
Mots-clés :
42B05, 43A32, 43A15, finite fields, radial functions, restriction operators.
Koh, Doowon. Restriction Operators Acting on Radial Functions on Vector Spaces over Finite Fields. Canadian mathematical bulletin, Tome 57 (2014) no. 4, pp. 834-844. doi: 10.4153/CMB-2014-016-2
@article{10_4153_CMB_2014_016_2,
author = {Koh, Doowon},
title = {Restriction {Operators} {Acting} on {Radial} {Functions} on {Vector} {Spaces} over {Finite} {Fields}},
journal = {Canadian mathematical bulletin},
pages = {834--844},
year = {2014},
volume = {57},
number = {4},
doi = {10.4153/CMB-2014-016-2},
url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2014-016-2/}
}
TY - JOUR AU - Koh, Doowon TI - Restriction Operators Acting on Radial Functions on Vector Spaces over Finite Fields JO - Canadian mathematical bulletin PY - 2014 SP - 834 EP - 844 VL - 57 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-2014-016-2/ DO - 10.4153/CMB-2014-016-2 ID - 10_4153_CMB_2014_016_2 ER -
%0 Journal Article %A Koh, Doowon %T Restriction Operators Acting on Radial Functions on Vector Spaces over Finite Fields %J Canadian mathematical bulletin %D 2014 %P 834-844 %V 57 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2014-016-2/ %R 10.4153/CMB-2014-016-2 %F 10_4153_CMB_2014_016_2
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