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Displaying 241 – 260 of 305

On the ordinarity of the maximal real subfield of cyclotomic function fields

Daisuke Shiomi (2014)

Acta Arithmetica

The aim of this paper is to clarify the ordinarity of cyclotomic function fields. In the previous work [J. Number Theory 133 (2013)], the author determined all monic irreducible polynomials m such that the maximal real subfield of the mth cyclotomic function field is ordinary. In this paper, we extend this result to the general case.

On the p-adic periods of X...(p).

Ehud de Shalit (1995)

Mathematische Annalen

On the Partial Derivatives of Thetafunctions

Henrik H. Martens (1973)

Commentarii mathematici Helvetici

On the period matrix of a Riemann surface of large genus (with an Appendix by J. H. Conway and N. J. A. Sloane).

P. Sarnak, P. Buser (1994)

Inventiones mathematicae

On the Periods of Abelian Integrals and a Formula of Chowla and Selberg.

Benedict H. Gross (1978)

Inventiones mathematicae

On the Poincaré series associated to the p-adic points on a curve

Dirk Bollaerts (1988)

Acta Arithmetica

On the pole placement problem for linear systems of arbitrary genus.

Ballico, E. (1996)

Beiträge zur Algebra und Geometrie

On the Poles of a Local Zeta Function for Curves.

D. Meuser (1983)

Inventiones mathematicae

On the projective normality of complete linear series on an algebraic curve.

Robert Lazarsfeld, Mark Green (1986)

Inventiones mathematicae

On the projectivity of the moduli spaces of curves.

M.D.T. Cornalba (1993)

Journal für die reine und angewandte Mathematik

On the Pythagoras number of a real irreducible algebroid curve.

Jesus J. Ortega (1991)

Mathematische Annalen

On the quantum cohomology of the plane, old and new, and a K3 analogue.

Z. Ran (1998)

Collectanea Mathematica

On the rationality of certain strata of the Lange stratification of stable vector bundles on curves.

Ballico, E. (2001)

Georgian Mathematical Journal

On the rationality of the moduli schemes of vector bundles on curves

E. Ballico, B. Russo (1997)

Rendiconti del Seminario Matematico della Università di Padova

On the real X -ranks of points of P n (R) with respect to a real variety X ⊂ P n

Edoardo Ballico (2010)

Annales UMCS, Mathematica

Let X ⊂ Pn be an integral and non-degenerate m-dimensional variety defined over R. For any P ∈ Pn(R) the real X-rank r x,R(P) is the minimal cardinality of S ⊂ X(R) such that P ∈ . Here we extend to the real case an upper bound for the X-rank due to Landsberg and Teitler.

On the Riemann-Roch theorem for orders in the ring of valuation vectors of a function field.

Barry Green (1988)

Manuscripta mathematica

On the Severi problem.

J. Harris (1986)

Inventiones mathematicae

On the Shafarevich-Tate group of the jacobian of a quotient of the Fermat curvature.

William McCallum (1988)

Inventiones mathematicae

On the singularities of Polar curves.

Eduardo Casas (1983)

Manuscripta mathematica

On the smallest degree of a surface containing a space curve

Margherita Roggero, Paolo Valabrega (1998)

Bollettino dell'Unione Matematica Italiana

Sia $C$ una curva dello spazio di grado $D$ contenuta in una superficie di grado $r$ e non in una di grado $r - 1$ . Se $C$ è integra, allora $r \leq \sqrt{6 D - 2} - 2$ ; questo limite superiore, raggiunto in alcuni casi (cfr. [5]), non vale però per curve arbitrarie (cfr. [?, 3 (iii)]). Ogni curva $C$ dello spazio (anche non ridotta o riducibile) può essere ottenuta come schema degli zero di una sezione non nulla di un opportuno fascio riflessivo $F$ di rango 2. Mediante i fasci riflessivi, siamo in grado di estendere alle curve riducibili...

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