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A map $X$ on a surface is called vertex-transitive if the automorphism group of $X$ acts transitively on the set of vertices of $X$. If the face-cycles at all the vertices in a map are of same type then the map is called semi-equivelar. In…

Combinatorics · Mathematics 2020-04-22 Basudeb Datta

A vertex-transitive map $X$ is a map on a closed surface on which the automorphism group ${\rm Aut}(X)$ acts transitively on the set of vertices. If the face-cycles at all the vertices in a map are of same type then the map is said to be a…

Geometric Topology · Mathematics 2019-02-22 Basudeb Datta , Dipendu Maity

Among all equivelar vertex-transitive maps on a given closed surface S, the automorphism groups of maps with Schl\"afli types {3, 7} and {7, 3} allow the highest possible order. We describe a procedure to transform all such maps into 1- or…

Combinatorics · Mathematics 2011-10-28 Daniel Pellicer

If the face-cycles at all the vertices in a map on a surface are of same type then the map is called semi-equivelar. There are eleven types of Archimedean tilings on the plane. All the Archimedean tilings are semi-equivelar maps. If a map…

Combinatorics · Mathematics 2017-07-03 Basudeb Datta , Dipendu Maity

A vertex-transitive map $X$ is a map on a surface on which the automorphism group of $X$ acts transitively on the set of vertices of $X$. If the face-cycles at all the vertices in a map are of same type then the map is called a…

Combinatorics · Mathematics 2021-09-23 Basudeb Datta , Dipendu Maity

Semi-Equivelar maps are generalizations of Archimedean solids to the surfaces other than 2-sphere. In earlier work a complete classification of semi-equivelar map of type $(3^5, 4)$ on the surface of Euler characteristic -1 was given. In…

Geometric Topology · Mathematics 2013-10-22 Ashish K Upadhyay , Anand K Tiwari

Semi-Equivelar maps are generalizations of Archimedean Solids (as are equivelar maps of the Platonic solids) to the surfaces other than $2-$Sphere. We classify some semi equivelar maps on surface of Euler characteristic -1 and show that…

Geometric Topology · Mathematics 2011-01-18 Ashish K. Upadhyay , Anand K. Tiwari , Dipendu Maity

If the face\mbox{-}cycles at all the vertices in a map are of same type then the map is called semi\mbox{-}equivelar. A map is called minimal if the number of vertices is minimal. We know the bounds of number of vertex orbits of…

Combinatorics · Mathematics 2022-07-13 Arnab Kundu , Dipendu Maity

A connected graph of order $n$ admitting a semiregular automorphism of order $n/k$ is called a $k$-multicirculant. Highly symmetric multicirculants of small valency have been extensively studied, and several classification results exist for…

Combinatorics · Mathematics 2022-08-15 Primož Potočnik , Micael Toledo

Recently the classification of all possible faithful transitive permutation representations of the group of symmetries of a regular toroidal map was accomplished. In this paper we complete this investigation on a surface of genus 1…

Group Theory · Mathematics 2020-05-19 Maria Elisa Fernandes , Claudio Alexandre Piedade

We enumerate and classify all the semi equivelar maps on the surface of $ \chi=-2 $ with up to 12 vertices. We also determine which of these are vertex-transitive and which are not.

Geometric Topology · Mathematics 2019-04-17 Debashis Bhowmik , Ashish Kumar Upadhyay

If the face\mbox{-}cycles at all the vertices in a map are of same type then the map is called semi\mbox{-}equivelar. A tiling is edge-homogeneous if any two edges with vertices of congruent face-cycles. In general, edge-homogeneous maps on…

Combinatorics · Mathematics 2024-01-03 Arnab Kundu , Dipendu Maity

A tiling (edge-to-edge) of the plane is a family of tiles that cover the plane without gaps or overlaps. Vertex figure of a vertex in a tiling to be the union of all edges incident to that vertex. A tiling is $k$-vertex-homogeneous if any…

Combinatorics · Mathematics 2022-01-21 Marbarisha M. Kharkongor , Dipendu Maity

A vertex $v$ in a map $M$ has the face-sequence $(p_1 ^{n_1}. \ldots. p_k^{n_k})$, if there are $n_i$ numbers of $p_i$-gons incident at $v$ in the given cyclic order, for $1 \leq i \leq k$. A map $M$ is called a semi-equivelar map if each…

Combinatorics · Mathematics 2022-02-08 Yogendra Singh , Anand Kumar Tiwari

We introduce a new notion, called quasi-holomorphic maps. These are real smooth maps equipped with a structure that imitates the singularities and singularity stratifications of holomorphic maps on the source and target manifolds, although…

Geometric Topology · Mathematics 2025-11-04 András Csépai , András Szűcs

If the cyclic sequence of faces for all the vertices in a map are of same type, then the map is said to be a semi-equivelar map. In this article, we classify all the types of semi-equivelar maps on the surface of Euler genus 3, $i.e.$, on…

Combinatorics · Mathematics 2020-05-01 Debashis Bhowmik , Dipendu Maity , Ashish Kumar Upadhyay , Bhanu Pratap Yadav

A graph is called {\em half-arc-transitive} if its full automorphism group acts transitively on vertices and edges, but not on arcs. It is well known that for any prime $p$ there is no tetravalent half-arc-transitive graph of order $p$ or…

Combinatorics · Mathematics 2016-05-27 Yi Wang , Yan-Quan Feng

Semi-Equivelar maps are generalizations of maps on the surfaces of Archimedean solids to surfaces other than the $2$-sphere. The well known 11 types of normal tilings of the plane suggest the possible types of semi-equivelar maps on the…

Geometric Topology · Mathematics 2015-09-25 Anand Kumar Tiwari , Ashish K. Upadhyay

If the face\mbox{-}cycles at all the vertices in a map are of the same type, then the map is said to be a semi-equivelar map. Automorphism (symmetry) of a map can be thought of as a permutation of the vertices which preserves the…

Combinatorics · Mathematics 2021-01-13 Marbarisha M. Kharkongor , Debashis Bhowmik , Dipendu Maity

A graph is vertex-transitive if its automorphism group acts transitively on vertices of the graph. A vertex-transitive graph is a Cayley graph if its automorphism group contains a subgroup acting regularly on its vertices. In this paper,…

Group Theory · Mathematics 2022-03-10 Majid Arezoomand , Mohsen Ghasemi , Mohammad A. Iranmanesh
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