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A tiling of a topological disc by topological discs is called monohedral if all tiles are congruent. Maltby (J. Combin. Theory Ser. A 66: 40-52, 1994) characterized the monohedral tilings of a square by three topological discs. Kurusa,…

Metric Geometry · Mathematics 2023-06-27 Bushra Basit , Zsolt Lángi

The paper provides an elementary proof of Kenyon's necessary condition for the existence of a periodic tiling of the plane by squares with given periods. A similar new result on covering both sides of a rectangle by nonoverlaping squares is…

Combinatorics · Mathematics 2020-03-12 Mikhail Dmitriev

R. Nandakumar asked whether there is a tiling of the plane by pairwise incongruent triangles of equal area and equal perimeter. Recently a negative answer was given by Kupavskii, Pach and Tardos. Still one may ask for weaker versions of the…

Combinatorics · Mathematics 2020-04-02 Dirk Frettlöh , Christian Richter

It is known that the space of convex polygons in the Euclidean plane with fixed normals, up to homotheties and translations, endowed with the area form, is isometric to a hyperbolic polyhedron. In this note we show a class of convex…

Differential Geometry · Mathematics 2013-04-05 François Fillastre

We classify all edge-to-edge spherical isohedral 4-gonal tilings such that the skeletons are pseudo-double wheels. For this, we characterize these spherical tilings by a quadratic equation for the cosine of an edge-length. By the…

Metric Geometry · Mathematics 2018-10-16 Yohji Akama

A famous problem in discrete geometry is to find all monohedral plane tilers, which is still open to the best of our knowledge. This paper concerns with one of its variants that to determine all convex polyhedra whose every cross-section…

Combinatorics · Mathematics 2012-10-23 David G. L. Wang

This paper characterizes all the convex domains which can form six-fold lattice tilings of the Euclidean plane. They are parallelograms, centrally symmetric hexagons, one type of centrally symmetric octagons and two types of decagons.

Metric Geometry · Mathematics 2019-04-17 Chuanming Zong

A tiling of the sphere by triangles, squares, or hexagons is convex if every vertex has at most 6, 4, or 3 polygons adjacent to it, respectively. Assigning an appropriate weight to any tiling, our main result is explicit formulas for the…

Geometric Topology · Mathematics 2018-06-13 Philip Engel , Peter Smillie

We give a simple proof of T. Stehling's result, that in any normal tiling of the plane with convex polygons with number of sides not less than six, all tiles except the finite number are hexagons.

Metric Geometry · Mathematics 2018-05-07 Arseniy Akopyan

Non-periodic tilings with Tile(1, 1) using the substitution method, as presented by Smith et al. in [2] and [3], can be converted into non-periodic tilings with three types of pentagons. When arbitrary replacements are excluded, the…

Metric Geometry · Mathematics 2025-05-16 Teruhisa Sugimoto

We describe computer algorithms that produce the complete set of isohedral tilings by n-omino or n-iamond tiles in which the tiles are fundamental domains and the tilings have 3-, 4-, or 6-fold rotational symmetry. The symmetry groups of…

Computational Geometry · Computer Science 2012-01-17 Hiroshi Fukuda , Chiaki Kanomata , Nobuaki Mutoh , Gisaku Nakamura , Doris Schattschneider

This paper is intended to provide an introduction to the theory of substitution tilings. For our purposes, tiling substitution rules are divided into two broad classes: geometric and combinatorial. Geometric substitution tilings include…

Dynamical Systems · Mathematics 2007-05-23 Natalie Priebe Frank

Pentagonal subdivision gives three families of edge-to-edge tilings of the sphere by congruent pentagons. Each family forms a two dimensional moduli. We describe the moduli in detail.

Combinatorics · Mathematics 2024-04-19 Jinjin Liang , Erxiao Wang , Min Yan

We study the construction of substitution tilings of the plane based on certain simplicial configurations of tangents of the deltoid with evenly distributed orientations. The random tiling ensembles are obtained as a result of tile…

Mathematical Physics · Physics 2019-10-16 Juan García Escudero

We study tilings of the plane composed of two repeating tiles of different assigned areas relative to an arbitrary periodic lattice. We classify isoperimetric configurations (i.e., configurations with minimal length of the interfaces) both…

Metric Geometry · Mathematics 2025-08-26 Francesco Nobili , Matteo Novaga , Emanuele Paolini

Icosahedron and dodecahedron can be dissected into tetrahedral tiles projected from 3D-facets of the Delone polytopes representing the deep and shallow holes of the root lattice D_6. The six fundamental tiles of tetrahedra of edge lengths 1…

Metric Geometry · Mathematics 2020-08-11 Mehmet Koca , Ramazan Koc , Nazife Ozdes Koca , Abeer Al-Siyabi

The hexagon is the least-perimeter tile in the Euclidean plane for any given area. On hyperbolic surfaces, this "isoperimetric" problem differs for every given area, as solutions do not scale. Cox conjectured that a regular $k$-gonal tile…

Two new series of substitution tilings are introduced in which the tiles appear in infinitely many orientations. It is shown that several properties of the well-known pinwheel tiling do also hold for these new examples, and, in fact, for…

Metric Geometry · Mathematics 2007-05-23 Dirk Frettlöh

In this paper we describe the pentagonal tiling of the plane defined in the article "A regular pentagonal tiling of the plane" by P. L. Bowers and K. Stephenson as a conformal substitution tiling and summarize many of its properties given…

Dynamical Systems · Mathematics 2013-03-11 Maria Ramirez-Solano

We investigate a new family of regions that is the universal generalization of three well-known region families in the field of enumeration of tilings: the quasi-regular hexagons, the semi-hexagons, and the halved hexagons. We prove a…

Combinatorics · Mathematics 2020-06-23 Tri Lai