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相关论文: Finding equations of the fake projective plane $(C…

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Fake projective planes are smooth complex surfaces of general type with Betti numbers equal to those of the usual projective plane. They come in complex conjugate pairs and have been classified as quotients of the two-dimensional ball by…

代数几何 · 数学 2020-12-16 Lev A. Borisov , JongHae Keum

We find explicit equations of the fake projective plane $(a=7,p=2,\emptyset,D_3 X_7)$, which lies in the same class as the fake projective plane $(a=7,p=2,\emptyset,D_3 2_7)$ with $21$ automorphisms whose equations were previously found by…

代数几何 · 数学 2023-09-06 Lev Borisov , Mattie Ji , Yanxin Li

We study Dolgachev elliptic surfaces with a double and a triple fiber and find explicit equations of two new pairs of fake projective plane with $21$ automorphisms, thus finishing the task of finding explicit equations of fake projective…

代数几何 · 数学 2026-05-06 Lev Borisov

In this short note we announce explicit equations of a fake projective plane in its bicanonical embedding in $\mathbb C\mathbb P^9$.

代数几何 · 数学 2017-10-13 Lev Borisov , JongHae Keum

A fake projective plane is a complex surface with the same Betti numbers as $\mathbb{C} P^2$ but not biholomorphic to it. We study the fake projective plane $\mathbb{P}_{\operatorname{fake}}^2 = (a = 7, p = 2, \emptyset, D_3 2_7)$ in the…

代数几何 · 数学 2026-02-04 Lev Borisov , Mattie Ji , Yanxin Li , Sargam Mondal

A fake projective plane is a smooth complex surface which is not the complex projective plane but has the same Betti numbers as the complex projective plane. The first example of such a surface was constructed by David Mumford in 1979 using…

代数几何 · 数学 2019-03-07 Gopal Prasad , Sai-Kee Yeung

Fake projective planes are smooth complex surfaces of general type with Betti numbers equal to that of the usual projective plane. Recent explicit constructions of fake projective planes embed them via their bicanonical embedding in…

代数几何 · 数学 2023-03-20 Lev Borisov , Zachary Lihn

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…

代数几何 · 数学 2020-04-23 Lev Borisov , Enrico Fatighenti

The addendum updates the results presented in the paper `Fake Projective Plane, Invent Math 168, 321-370 (2007)' and makes some additions and corrections. The fake projective planes are classified into twenty six classes. Together with a…

代数几何 · 数学 2015-05-13 Gopal Prasad , Sai-Kee Yeung

We give a criterion for a projective surface to become a quotient of a fake projective plane. We also give a detailed information on the elliptic fibration of a $(2,3)$-elliptic surface that is the minimal resolution of a quotient of a fake…

代数几何 · 数学 2010-10-19 JongHae Keum

Recently, Prasad and Yeung classified all possible fundamental groups of fake projective planes. According to their result, many fake projective planes admit a nontrivial group of automorphisms, and in that case it is isomorphic to…

代数几何 · 数学 2014-11-11 JongHae Keum

A fake projective plane is a compact complex manifold of dimension 2 which has the same Betti numbers as the complex projective plane, but not isomorphic to the complex projective plane. As was shown by D. Mumford, there exists at least one…

代数几何 · 数学 2007-05-23 JongHae Keum

We discover a family of surfaces of general type with $K^2=3$ and $p=q=0$ as free $C_{13}$ quotients of special linear cuts of the octonionic projective plane $\mathbb O \mathbb P^2$. A special member of the family has $3$ singularities of…

代数几何 · 数学 2020-08-25 Lev Borisov , Anders Buch , Enrico Fatighenti

We adapt the theory of non-Archimedean uniformization to construct a smooth surface from a lattice in PGL3(Q2) that has nontrivial torsion. It turns out to be a fake projective plane, commensurable with Mumford's fake plane yet distinct…

代数几何 · 数学 2014-11-06 Daniel Allcock , Fumiharu Kato

An outstanding folklore conjecture asserts that, for any prime $p$, up to isomorphism the projective plane $PG(2,\mathbb{F}_p)$ over the field $\mathbb{F}_p := \mathbb{Z}/p\mathbb{Z}$ is the unique projective plane of order $p$. Let $\pi$…

组合数学 · 数学 2018-01-23 Bhaskar Bagchi

We prove that the fake projective planes constructed from the diadic discrete group discovered by Cartwright, Mantero, Steger, and Zappa are connected Shimura varieties associated to a certain unitary group. The necessary Shimura data, as…

代数几何 · 数学 2007-05-23 Fumiharu Kato , Hiroyuki Ochiai

The purpose of the article is to explain a new method to establish the existence of an exceptional collection of length three for a fake projective plane M with non-trivial automorphism group, related to a conjecture of…

代数几何 · 数学 2021-08-06 Ching-Jui Lai , Sai-Kee Yeung

The purpose of the present paper is to explain the fake projective plane constructed by J.H. Keum from the point of view of arithmetic ball quotients. Beside the ball quotient associated with the fake projective plane, we also analize two…

代数几何 · 数学 2008-11-21 Amir Dzambic

We use the Borisov-Keum equations of a fake projective plane and the Borisov-Yeung equations of the Cartwright-Steger surface to show the existence of a regular surface with canonical map of degree 36 and of an irregular surface with…

代数几何 · 数学 2020-01-22 Carlos Rito

A classical result asserts that the complex projective plane modulo complex conjugation is the 4-dimensional sphere. We generalize this result in two directions by considering the projective planes over the normed real division algebras and…

微分几何 · 数学 2007-05-23 Michael Atiyah , Jurgen Berndt
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