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Search: MSC category 14H25 ( Arithmetic ground fields [See also 11Dxx, 11G05, 14Gxx] )

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1. CJM 2004 (vol 56 pp. 612)

Pál, Ambrus
 Solvable Points on Projective Algebraic Curves We examine the problem of finding rational points defined over solvable extensions on algebraic curves defined over general fields. We construct non-singular, geometrically irreducible projective curves without solvable points of genus \$g\$, when \$g\$ is at least \$40\$, over fields of arbitrary characteristic. We prove that every smooth, geometrically irreducible projective curve of genus \$0\$, \$2\$, \$3\$ or \$4\$ defined over any field has a solvable point. Finally we prove that every genus \$1\$ curve defined over a local field of characteristic zero with residue field of characteristic \$p\$ has a divisor of degree prime to \$6p\$ defined over a solvable extension. Categories:14H25, 11D88

2. CJM 2003 (vol 55 pp. 331)

Savitt, David
 The Maximum Number of Points on a Curve of Genus \$4\$ over \$\mathbb{F}_8\$ is \$25\$ We prove that the maximum number of rational points on a smooth, geometrically irreducible genus 4 curve over the field of 8 elements is 25. The body of the paper shows that 27 points is not possible by combining techniques from algebraic geometry with a computer verification. The appendix shows that 26 points is not possible by examining the zeta functions. Categories:11G20, 14H25