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18.361  Articles
1 of 1.837 pages  |  10  records  |  more records»
In this paper we study the lattice point covering property of some regular polygons in dimension 2.

Let L{\cal L} be a Desarguesian 2-spread in the Grassmann graph Jq(n,2)J_q(n,2). We prove that the collection of the 44-subspaces, which do not contain subspaces from L{\cal L} is a completely regular code in Jq(n,4)J_q(n,4). Similarly, we construct a com... see more

A regular cover of a connected graph is called dihedral ifits transformation group is dihedral. In this paper, the authors clas-sify all dihedral coverings of the Heawood graph whose fibre-preservingautomorphism subgroups act edge-transitively.

We study the coordinate ring of an LL-convex polyomino, determine its regularity in terms of the maximal number of rooks that can be placed in the polyomino. We also characterize the Gorenstein LL-convex polyominoes and those which are Gorenstein on the p... see more

The study considers the possibilities of using latent semantic analysis for the tasks of identifying scientific subject spaces and evaluating the completeness of covering the results of dissertation research by science degree seekers.A probabilistic thema... see more

A simple undirected graph is called semisymmetric if it is regular and edge transitive but not vertex-transitive. In this paper, we classify all connected cubic semisymmetric graph of order 34<em>p²</em>, where p be a prime.DOI : htt... see more

Indonesia has considerably rich natural and cultural tourism destinations, including Samosir Island. This island, situated at the centre of Lake Toba, is recognized as the backbone of tourism growth in Lake Toba areas due to the regular tourist arrival in... see more

Indonesia is an archipelagic country with a vast coastal area, so proper management is needed in the development of coastal areas. The city of Surabaya is one of the cities that carry out the development of coastal areas by projecting strategic areas of i... see more


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