Browsing by Author "Maiti, Saran Ishika"

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    Symmetric Random Walks on Regular Tetrahedra, Octahedra, and Hexahedra
    (Sage, 2017-05) Sarkar, Jyotirmoy; Maiti, Saran Ishika; Mathematical Sciences, School of Science
    We study a symmetric random walk on the vertices of three regular polyhedra. Starting from the origin, at each step the random walk moves, independently of all previous moves, to one of the vertices adjacent to the current vertex with equal probability. We find the distributions, or at least the means and the standard deviations, of the number of steps needed (a) to return to origin, (b) to visit all vertices, and (c) to return to origin after visiting all vertices. We also find the distributions of (i) the number of vertices visited before return to origin, (ii) the last vertex visited, and (iii) the number of vertices visited during return to origin after visiting all vertices.