Entry details for q = 131 = 13, g = 4
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Lower bound Nmin = 38

Submitted by Everett Howe
Date 08-30-2011
Reference Everett W. Howe
New bounds on the maximum number of points on genus-4 curves over small finite fields
Arithmetic, Geometry, Cryptography and Coding Theory (Y. Aubry, C. Ritzenthaler, and A. Zykin, eds.), Contemporary Mathematics 574, American Mathematical Society, Providence, RI, 2012, pp. 69–86
Comments
Here is a genus-4 curve with 38 points: y^2 = x^3 + 4, z^2 = x^3 + x^2 - 4*x - 3
Tags Explicit curves

User comments

Explicit Curve     
S.E.Fischer
02-24-2017 21:40
Another equation is given by
(x^4 + 7)*y^4 + x^3*y^3 + 5*x*y + 7*x^4 = 0.
Upper bound Nmax = 38

Submitted by Everett Howe
Date 08-30-2011
Reference Everett W. Howe
New bounds on the maximum number of points on genus-4 curves over small finite fields
Arithmetic, Geometry, Cryptography and Coding Theory (Y. Aubry, C. Ritzenthaler, and A. Zykin, eds.), Contemporary Mathematics 574, American Mathematical Society, Providence, RI, 2012, pp. 69–86
Comments
Tags Analysis and enumeration

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