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The Riemann-Roch theorem is of utmost importance in the algebraic geometric theory of compact Riemann surfaces. It tells us how many linearly independent meromorphic functions there are having certain restrictions on their poles. The aim of…

Complex Variables · Mathematics 2007-06-20 A. Lesfari

In this note we give a summary of some elementary results in the theory of super Riemann surfaces (SUSY curves).

Algebraic Geometry · Mathematics 2013-06-11 R. Fioresi , S. D. Kwok

We show the fundamental theorems of curves and surfaces in the 3-dimensional Heisenberg group and find a complete set of invariants for curves and surfaces respectively. The proofs are based on Cartan's method of moving frames and Lie group…

Differential Geometry · Mathematics 2017-12-27 Hung-Lin Chiu , Yen-Chang Huang , Sin-Hua Lai

We obtain variational formulas for holomorphic objects on Riemann surfaces with respect to arbitrary local coordinates on the moduli space of complex structures. These formulas are written in terms of a canonical object on the moduli space…

Algebraic Geometry · Mathematics 2015-06-15 Alexander Odesskii

We prove a general embedding theorem for Cohen--Macaulay curves (possibly nonreduced), and deduce a cheap proof of the standard results on pluricanonical embeddings of surfaces, assuming vanishing H^1(2K_X)=0.

alg-geom · Mathematics 2008-02-03 F. Catanese , M. Franciosi , K. Hulek , M. Reid

In this paper continuing our work started in our earlier papers we prove the corona theorem for the algebra of bounded holomorphic functions defined on an unbranched covering of a Caratheodory hyperbolic Riemann surface of finite type.

Complex Variables · Mathematics 2007-05-23 Alexander Brudnyi

We detail the theory of Discrete Riemann Surfaces. It takes place on a cellular decomposition of a surface, together with its Poincar\'e dual, equipped with a discrete conformal structure. A lot of theorems of the continuous theory follow…

Complex Variables · Mathematics 2008-02-13 Christian Mercat

We study the value distribution of holomorphic curves from a general open Riemann surface into a smooth logarithmic pair $(X, D).$ By stochastic calculus, we first obtain a version of tautological inequality (proposed by McQuillan) and a…

Complex Variables · Mathematics 2021-12-20 Xianjing Dong

Riemann vanishing theorem is a main ingredient of the conventional technique related to the Jacobi inversion problem. In the case of curves with a holomorphic involution, it has been presented quite fully in wellknown Fay's Lectures on…

Algebraic Geometry · Mathematics 2026-03-31 Oleg K. Sheinman

Let $f$ be a harmonic map from a Riemann surface to a Riemannian $n$-manifold. We prove that if there is a holomorphic diffeomorphism $h$ between open subsets of the surface such that $f\circ h = f$, then $f$ factors through a holomorphic…

Differential Geometry · Mathematics 2020-10-29 Nathaniel Sagman

We survey several results in value distribution theory for parabolic Riemann surfaces. Let Y be a parabolic Riemann surface, i.e. subharmonic functions defined on Y are constant. We discuss Nevanlinna's theory for holomorphic maps f from Y…

Complex Variables · Mathematics 2017-09-26 Mihai Paun , Nessim Sibony

We construct a scattering theory for harmonic one-forms on Riemann surfaces, obtained from boundary value problems involving systems of curves and the jump problem. We obtain an explicit expression for the scattering matrix in terms of…

Differential Geometry · Mathematics 2025-06-11 Eric Schippers , Wolfgang Staubach

Topologically, a compact Riemann surface $X$ of genus $g$ is a $g$-holed torus (a sphere with $g$ handles). This paper is an introduction to the theory of compact Riemann surfaces and algebraic curves. It presents the basic ideas and…

Algebraic Geometry · Mathematics 2009-03-13 A. Lesfari

The Hamiltonian theory of zero-curvature equations with spectral parameter on an arbitrary compact Riemann surface is constructed. It is shown that the equations can be seen as commuting flows of an infinite-dimensional field generalization…

High Energy Physics - Theory · Physics 2009-11-07 Igor Krichever

This paper proves an integral version of the Riemann-Roch theorem for surface bundles, comparing the standard cohomology classes with the cohomology classes coming from the symplectic group.

Algebraic Topology · Mathematics 2009-01-28 Ib Madsen

We present a computational approach to general hyperelliptic Riemann surfaces in Weierstrass normal form. The surface is either given by a list of the branch points, the coefficients of the defining polynomial or a system of cuts for the…

Algebraic Geometry · Mathematics 2017-07-12 J. Frauendiener , C. Klein

We present a comprehensive $L^2$-theory for the $\overline\partial$-operator on singular complex curves, including $L^2$-versions of the Riemann-Roch theorem and some applications.

Complex Variables · Mathematics 2015-06-02 Jean Ruppenthal , Martin Sera

In this paper, by using the Kuranishi coordinates on the Teichm\"uller space and the explicit deformation formula of holomorphic one-forms on Riemann surface, we give an explicit expression of the period map and derive new differential…

Differential Geometry · Mathematics 2013-04-30 Kefeng Liu , Quanting Zhao , Sheng Rao

The Epstein-Baer theory of curve isotopies is basic to the remarkable theorem that homotopic homeomorphisms of surfaces are isotopic. The groundbreaking work of R. Baer was carried out on closed, orientable surfaces and extended by D. B. A.…

Geometric Topology · Mathematics 2014-03-07 John Cantwell , Lawrence Conlon

The generalized Verlinde formulae expressing traces of mapping classes corresponding to automorphisms of certain Riemann surfaces, and the congruence relations on allowed modular representations following from them are presented. The…

High Energy Physics - Theory · Physics 2009-11-10 Tamas Varga