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Related papers: DG quivers of smooth rational surfaces

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Using the theory of the symmetry group for PDEs [15, 17], we derive the symmetry group G associated to surfaces PDE. Several group invariant solutions of the surfaces PDE are given by solving a reduced system of partial differential…

Differential Geometry · Mathematics 2012-05-08 Mehdi Nadjafikhah , Parastoo Kabinejad

We classify minimal pairs (X, G) for smooth rational projective surface X and finite group G of automorphisms on X. We also determine the fixed locus X^G and the quotient surface Y = X/G as well as the fundamental group of the smooth part…

Algebraic Geometry · Mathematics 2007-05-23 D. -Q. Zhang

It is proven that for any topological or analytical types of isolated singular points of plane curves, there exists a non-real irreducible plane algebraic curve of degree $d$ which goes through $d^2$ real distinct points and has imaginary…

alg-geom · Mathematics 2008-02-03 Sergey Finashin , Eugenii Shustin

In this work we use arithmetic, geometric, and combinatorial techniques to compute the cohomology of Weil divisors of a special class of normal surfaces, the so-called rational ruled toric surfaces. These computations are used to study the…

Algebraic Geometry · Mathematics 2018-03-14 Enrique Artal Bartolo , José Ignacio Cogolludo-Agustín , Jorge Martín-Morales

In this article we associate a combinatorial differential graded algebra to a cubic planar graph G. This algebra is defined combinatorially by counting binary sequences, which we introduce, and several explicit computations are provided. In…

Combinatorics · Mathematics 2017-05-05 Roger Casals , Emmy Murphy

Let $X$ be either a general hypersurface of degree $n+1$ in $\mathbb P^n$ or a general $(2,n)$ complete intersection in $\mathbb P^{n+1}, n\geq 4$. We construct balanced rational curves on $X$ of all high enough degrees. If $n=3$ or $g=1$,…

Algebraic Geometry · Mathematics 2024-03-26 Ziv Ran

Upper and lower bounds, of the expected order of magnitude, are obtained for the number of rational points of bounded height on any quartic del Pezzo surface over $\mathbb{Q}$ that contains a conic defined over $\mathbb{Q}$.

Number Theory · Mathematics 2018-07-17 T. D. Browning , E. Sofos

We give an algebro-geometric derivation of the known intersection theory on the moduli space of stable rank 2 bundles of odd degree over a smooth curve of genus g. We lift the computation from the moduli space to a Quot scheme, where we…

Algebraic Geometry · Mathematics 2007-05-23 Alina Marian , Dragos Oprea

We give an arithmetic count of the lines on a smooth cubic surface over an arbitrary field $k$, generalizing the counts that over $\mathbb{C}$ there are $27$ lines, and over $\mathbb{R}$ the number of hyperbolic lines minus the number of…

Algebraic Geometry · Mathematics 2021-07-01 Jesse Leo Kass , Kirsten Wickelgren

We demonstrate a practical and efficient method for generating toric Calabi-Yau quiver theories, applicable to both D3 and M2 brane world-volume physics. A new analytic method is presented at low order parametres and an algorithm for the…

High Energy Physics - Theory · Physics 2014-11-20 Joseph Hewlett , Yang-Hui He

We construct a linearly normal smooth rational surface S of degree 11 and sectional genus 8 in the projective fivespace. Surfaces satisfying these numerical invariants are special, in the sense that $h^1(\mathscr{O}_S(1))>0$. Our…

Algebraic Geometry · Mathematics 2016-11-08 Abdul Moeed Mohammad

A telegraphic survey of some of the standard results and conjectures about the set $C({\bf Q})$ of rational points on a smooth projective absolutely connected curve $C$ over ${\bf Q}$.

Number Theory · Mathematics 2010-03-15 Chandan Singh Dalawat

This paper proves that every projective toric variety is the fine moduli space for stable representations of an appropriate bound quiver. To accomplish this, we study the quiver $Q$ with relations $R$ corresponding to the finite-dimensional…

Algebraic Geometry · Mathematics 2010-03-15 Alastair Craw , Gregory G. Smith

For a smooth plane cubic $B$, we count curves $C$ of degree $d$ such that the normalizations of $C\backslash B$ are isomorphic to $\Bbb A^1$, for $d\leq7$ (for $d=7$ under some assumption). We also count plane rational quartic curves…

alg-geom · Mathematics 2008-02-03 Nobuyoshi Takahashi

We study simply-laced simple affine Lie algebra bundles over complex surfaces X. Given any Kodaira curve C in X, we construct such a bundle over X. After deformations, it becomes trivial on every irreducible component of C provided that…

Algebraic Geometry · Mathematics 2013-03-25 Yunxia Chen , Naichung Conan Leung

We present an overview of the differential geometry of curves and surfaces using examples from soft matter as illustrations. The presentation requires a background only in vector calculus and is otherwise self-contained.

Soft Condensed Matter · Physics 2009-11-07 Randall D. Kamien

In this paper, we summarize a general method of transforming DG structures into higher structures on the various complexes related to the reduced bar resolution of a given quiver algebra using algebraic Morse theory. As an application, we…

Representation Theory · Mathematics 2024-01-15 Yuming Liu , Bohan Xing

We construct a surface of general type with invariants \( \chi = K^2 = 1 \) and torsion group \( \Bbb{Z}/{2} \). We use a double plane construction by finding a plane curve with certain singularities, resolving these, and taking the double…

alg-geom · Mathematics 2008-02-03 Caryn Werner

We discover a simple construction of a four-dimensional family of smooth surfaces of general type with $p_g(S)=q(S)=0$, $K^2_S=3$ with cyclic fundamental group $C_{14}$. We use a degeneration of the surfaces in this family to find…

Algebraic Geometry · Mathematics 2020-04-23 Lev Borisov , Enrico Fatighenti

We construct exceptional sequences of line bundles of maximal length on a family of surfaces isogenous to a higher product of unmixed type with $p_g=q=0$.

Algebraic Geometry · Mathematics 2014-02-27 Kyoung-Seog Lee