Square-tiled tori

نویسندگان

چکیده

We study square-tiled tori, that is, tori obtained from a finite collection of unit squares by parallel side identifications. Square-tiled can be parametrized in natural way allows to count the number tiled given square tiles. There is $\mathrm{SL}(2,\mathbf{Z})$-action on and we classify $\mathrm{SL}(2,\mathbf{Z})$-orbits using two numerical invariants easily computed. deduce exact size every $\mathrm{SL}(2,\mathbf{Z})$-orbit. In particular, this answers question M. Bolognesi cyclic covers torus, which corresponds particular tori. also give asymptotic behavior

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Queens on Non-square Tori

We prove that for m < n, the n × m rectangular toroidal chessboard admits gcd(m,n) nonattacking queens except in the case m = 3, n = 6. The classical n-queens problem is to place n queens on the n × n chessboard such that no pair is attacking each other. Solutions for this problem exist for all for n = 2, 3 [1]. The queens problem on a rectangular board is of little interest; on the n ×m board ...

متن کامل

Anti-tori in Square Complex Groups

An anti-torus is a subgroup 〈a, b〉 in the fundamental group of a compact non-positively curved space X, acting in a specific way on the universal covering space X̃ such that a and b do not have any commuting non-trivial powers. We construct and investigate anti-tori in a class of commutative transitive fundamental groups of finite square complexes, in particular for the groups Γp,l originally st...

متن کامل

Square-tiled Surfaces and Rigid Curves on Moduli Spaces

We study the algebro-geometric aspects of Teichmüller curves parameterizing square-tiled surfaces with two applications. (a) There exist infinitely many rigid curves on the moduli space of hyperelliptic curves. They span the same extremal ray of the cone of moving curves. Their union is a Zariski dense subset. Hence they yield infinitely many rigid curves with the same properties on the moduli ...

متن کامل

Schwarz Triangle Mappings and Teichmüller Curves: Abelian Square-tiled Surfaces

We consider normal covers of CP with abelian deck group, branched over at most four points. Families of such covers yield arithmetic Teichmüller curves, whose period mapping may be described geometrically in terms of Schwarz triangle mappings. These Teichmüller curves are generated by abelian square-tiled surfaces. We compute all individual Lyapunov exponents for abelian squaretiled surfaces, a...

متن کامل

Fast Gossiping in Square Meshes/Tori with Bounded-Size Packets

ÐGossiping is the communication problem in which each node has a unique message (token) to be transmitted to every other node. The nodes exchange their tokens by packets. A solution to the problem is judged by how many rounds of packet sending it requires. In this paper, we consider the version of the problem in which small-size packets (each carrying exactly one token) are used, the links (edg...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Discrete and Continuous Dynamical Systems

سال: 2023

ISSN: ['1553-5231', '1078-0947']

DOI: https://doi.org/10.3934/dcds.2022185