Contents of Volume 109
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On primitive lattice points in planar domains Acta Arithmetica 109 (2003), 1-26 MSC: 11P21, 11N37. DOI: 10.4064/aa109-1-1
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Capitulation des 2-classes d'idéaux de ${Q}(\sqrt {2},\sqrt {d})$ où $d$ est un entier naturel sans facteurs carrés Acta Arithmetica 109 (2003), 27-63 MSC: 11R27, 11R37. DOI: 10.4064/aa109-1-2
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A generalization of a second irreducibility theorem of I. Schur Acta Arithmetica 109 (2003), 65-79 MSC: 12E05, 11C08, 11R09. DOI: 10.4064/aa109-1-3
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Arithmetic properties of members of a binary recurrent sequence Acta Arithmetica 109 (2003), 81-107 MSC: Primary 11B37. DOI: 10.4064/aa109-1-4
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Dedekind cotangent sums Acta Arithmetica 109 (2003), 109-130 MSC: Primary 11L03; Secondary 52C07. DOI: 10.4064/aa109-2-1
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Rang de familles de courbes elliptiques Acta Arithmetica 109 (2003), 131-142 MSC: Primary 11G05, 14H52; Secondary 14H10, 14J27, 14J28. DOI: 10.4064/aa109-2-2
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On the Diophantine equation $x^2+7=y^m$ Acta Arithmetica 109 (2003), 143-149 MSC: Primary 11G30; Secondary 11D41. DOI: 10.4064/aa109-2-3
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Metric properties of alternating Oppenheim expansions Acta Arithmetica 109 (2003), 151-158 MSC: Primary 11K55; Secondary 11A67. DOI: 10.4064/aa109-2-4
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On the solutions of certain diagonal quadratic equations and Lang's conjecture Acta Arithmetica 109 (2003), 159-168 MSC: 11D09, 14G05. DOI: 10.4064/aa109-2-5
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On Linnik's approximation to Goldbach's problem, I Acta Arithmetica 109 (2003), 169-194 MSC: Primary 11P32; Secondary 11L07. DOI: 10.4064/aa109-2-6
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Sums of twelve squares Acta Arithmetica 109 (2003), 195-204 MSC: Primary 11E25. DOI: 10.4064/aa109-2-7
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The diophantine equation $x^2+C=y^n$, II Acta Arithmetica 109 (2003), 205-206 MSC: Primary 11D61. DOI: 10.4064/aa109-2-8
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Sur les modules d'Iwasawa des ${\Bbb Z}_p^*/\{\pm 1\}$-extensions Acta Arithmetica 109 (2003), 207-217 MSC: Primary 11R23; Secondary 14G15. DOI: 10.4064/aa109-3-1
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Corps engendré par les points de 13-torsion des courbes elliptiques Acta Arithmetica 109 (2003), 219-230 MSC: Primary 11G05, 11F67; Secondary 11G18, 11G40. DOI: 10.4064/aa109-3-2
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Indivisibility of special values of Dedekind zeta functions of real quadratic fields Acta Arithmetica 109 (2003), 231-235 MSC: 11R16, 11R23, 11R29. DOI: 10.4064/aa109-3-3
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Bounds for the $3x+1$ problem using difference inequalities Acta Arithmetica 109 (2003), 237-258 MSC: Primary 11B37; Secondary 26A18, 90C30. DOI: 10.4064/aa109-3-4
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Unique range sets and uniqueness polynomials in positive characteristic Acta Arithmetica 109 (2003), 259-280 MSC: Primary 12E05; Secondary 11S80, 30D35. DOI: 10.4064/aa109-3-5
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On cluster primes Acta Arithmetica 109 (2003), 281-284 MSC: Primary 11N05, 11N36; Secondary 11A41. DOI: 10.4064/aa109-3-6
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On a family of cubic Thue equations with 5 solutions Acta Arithmetica 109 (2003), 285-298 MSC: Primary 11D. DOI: 10.4064/aa109-3-7
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Zones of large and small values for Dedekind sums Acta Arithmetica 109 (2003), 299-308 MSC: Primary 11F20. DOI: 10.4064/aa109-3-8
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Twisted modular forms and parabolic cohomology Acta Arithmetica 109 (2003), 309-319 MSC: 11F11, 11F75, 14C30. DOI: 10.4064/aa109-4-1
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Module structure of rings of integers in octahedral extensions Acta Arithmetica 109 (2003), 321-327 MSC: 11R04, 11R29, 11R33. DOI: 10.4064/aa109-4-2
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On the divisor problem: Moments of ${\mit\Delta}(x)$ over short intervals Acta Arithmetica 109 (2003), 329-341 MSC: Primary 11N37. DOI: 10.4064/aa109-4-3
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On a problem of R. C. Baker Acta Arithmetica 109 (2003), 343-348 MSC: 11K06, 11K41, 26A42, 28D05. DOI: 10.4064/aa109-4-4
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On an asymptotic formula of Srinivasa Ramanujan Acta Arithmetica 109 (2003), 349-357 MSC: Primary 11M; Secondary 11M06, 11N05. DOI: 10.4064/aa109-4-5
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Primitive free quartics with specified norm and trace Acta Arithmetica 109 (2003), 359-385 MSC: Primary 11T06; Secondary 11A25, 11T24, 11T30. DOI: 10.4064/aa109-4-6
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Average multiplicative orders of elements modulo $n$ Acta Arithmetica 109 (2003), 387-411 MSC: Primary 11N37, 11N64; Secondary 20K01. DOI: 10.4064/aa109-4-7