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Using Traizet's regeneration method, we prove that for each positive integer n there is a family of embedded, doubly periodic minimal surfaces with parallel ends in Euclidean space of genus 2n-1 and 4 ends in the quotient by the maximal…

Differential Geometry · Mathematics 2025-05-29 Peter Connor , Kevin Li

We construct families of embedded, singly periodic minimal surfaces of any genus $g$ in the quotient with any even number $2n>2$ of almost parallel Scherk ends. A surface in such a family looks like $n$ parallel planes connected by $n-1+g$…

Differential Geometry · Mathematics 2023-10-17 Hao Chen , Peter Connor , Kevin Li

The Narasimhan-Nori conjecture asks for a closed formula for the number of non-isomorphic principal polarizations of any given abelian variety. In this paper, we introduce a new algorithm that gives a lower bound on the number of…

Algebraic Geometry · Mathematics 2020-07-28 Dami Lee , Catherine Ray

Given a tiling $\mathcal{T}$ of the plane by straight edge polygons, which is invariant by two independent translations, we construct a family of embedded triply periodic minimal surfaces which desingularizes $\mathcal{T}\times\mathbb{R}$.…

Differential Geometry · Mathematics 2010-03-15 Rami Younes

For $X$ a smooth cubic threefold we study the Pl\"ucker embedding of the Fano surface of lines $S$ of $X$. We prove that if $X$ is general then the minimal gonality of a covering family of curves of $S$ is four and that this happens for a…

Algebraic Geometry · Mathematics 2018-05-04 Frank Gounelas , Alexis Kouvidakis

We classify minimal surfaces $S$ of general type with $p_g=q=2$ and $K_S^2=6$ whose Albanese map is a generically finite double cover. We show that the corresponding moduli space is the disjoint union of three generically smooth,…

Algebraic Geometry · Mathematics 2012-12-24 Matteo Penegini , Francesco Polizzi

We construct a complete, embedded minimal surface in euclidean 3-space which has unbounded Gaussian curvature. It has infinite genus, infinitely many catenoidal type ends and one limit end.

Differential Geometry · Mathematics 2010-06-18 Martin Traizet

Frucht showed that, for any finite group $G$, there exists a cubic graph such that its automorphism group is isomorphic to $G$. For groups generated by two elements we simplify his construction to a graph with fewer nodes. In the general…

Group Theory · Mathematics 2023-07-25 Reymond Akpanya , Tom Goertzen

We construct a new family of minimal smooth surfaces of general type with K^2=7 and p_g= 0. We show that for a surface in this family, its canonical divisor is ample and its bicanonical morphism is birational. We prove that these surfaces…

Algebraic Geometry · Mathematics 2012-11-02 Yifan Chen

We construct smooth minimal complex surfaces of general type with $K^2=7$ and: $p_g=q=2,$ Albanese map of degree $2$ onto a $(1,2)$-polarized abelian surface; $p_g=q=1$ as a double cover of a quartic Kummer surface; $p_g=q=0$ as a double…

Algebraic Geometry · Mathematics 2017-03-24 Carlos Rito

We classify the minimal surfaces of general type with $K^2 \leq 4\chi-8$ whose canonical map is composed with a pencil, up to a finite number of families. More precisely we prove that there is exactly one irreducible family for each value…

Algebraic Geometry · Mathematics 2010-10-28 Roberto Pignatelli

We study surfaces in Euclidean space ${\mathbb R}^3$ that are minimal for a log-linear density $\phi(x,y,z)=\alpha x+\beta y+\gamma y$, where $\alpha,\beta,\gamma$ are real numbers not all zero. We prove that if a surface is $\phi$-minimal…

Differential Geometry · Mathematics 2014-10-10 Rafael López

We construct triply periodic zero mean curvature surfaces of mixed type in the Lorentz-Minkowski 3-space, with the same topology as the triply periodic minimal surfaces in the Euclidean 3-space, called Schwarz rPD surfaces.

Differential Geometry · Mathematics 2017-03-21 Shoichi Fujimori

This paper is the fifth and final in a series on embedded minimal surfaces. Following our earlier papers on disks, we prove here two main structure theorems for non-simply connected embedded minimal surfaces of any given fixed genus. The…

Differential Geometry · Mathematics 2012-11-21 Tobias H. Colding , William P. Minicozzi

A product-quotient surface is the minimal resolution of the singularities of the quotient of a product of two curves by the action of a finite group acting separately on the two factors. We classify all minimal product-quotient surfaces of…

Algebraic Geometry · Mathematics 2011-04-06 Ingrid Bauer , Roberto Pignatelli

The family of embedded, singly periodic minimal surfaces of Riemann have as limit-surfaces the helicoid, the catenoid, a single plane, or an infinite set of equally-spaced parallel planes.

Differential Geometry · Mathematics 2008-07-01 David Hoffman , Wayne Rossman

We study quartic surfaces that admit a group of projective automorphisms isomorphic to icosahedron group.

Algebraic Geometry · Mathematics 2017-12-27 Igor Dolgachev

given two minimal surfaces embedded in $\S3$ of genus $g$ we prove the existence of a sequence of non-congruent compact minimal surfaces embedded in $\S3$ of genus $g$ that converges in $C^{2,\alpha}$ to a compact embedded minimal surface…

Differential Geometry · Mathematics 2010-01-04 Fernando A. A. Pimentel

We investigate the duality between minimal surfaces in Euclidean space and maximal surfaces in Lorentz-Minkowski space in the family of rotational surfaces. We study if the dual surfaces of two congruent rotational minimal (or maximal)…

Differential Geometry · Mathematics 2019-12-18 Rafael López , Seher Kaya

So far only a few families of smooth irregular surfaces are known to exist in P^4 up to pullbacks by suitable finite morphisms from P^4 onto P^4 itself. In this paper we present two different constructions of irregular smooth minimal…

Algebraic Geometry · Mathematics 2007-05-23 Hirotachi Abo , Kristian Ranestad