Remarks on the Number of Rational Points on a Class of Hypersurfaces over Finite Fields
Keyword(s):
Let 𝔽q be the finite field of q elements and f be a nonzero polynomial over 𝔽q. For each b ϵ 𝔽q, let Nq(f = b) denote the number of 𝔽q-rational points on the affine hypersurface f = b. We obtain the formula of Nq(f = b) for a class of hypersurfaces over 𝔽q by using the greatest invariant factors of degree matrices under certain cases, which generalizes the previously known results. We also give another simple direct proof to the known results.
2011 ◽
Vol 07
(04)
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pp. 1093-1102
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2012 ◽
Vol 08
(04)
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pp. 1087-1097
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2012 ◽
Vol 55
(2)
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pp. 418-423
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2006 ◽
Vol 73
(2)
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pp. 245-254
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2003 ◽
Vol 55
(2)
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pp. 225-246
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2020 ◽
Vol 31
(03)
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pp. 411-419
2020 ◽
Vol 21
(1)
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pp. 1-51