For positive integers c, s≥1, let M3(c, s) be the smallest integer such that any set of at least M3(c, s) points in the plane, no three on a line, and colored with c colors, contains a monochromatic triangle with at ...
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In this paper we discuss two important problems: Dispersion and Exploration. We have provided two optimal algorithms for each of them. For Dispersion we have provided an algorithm which is optimal in terms of memory c...
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An agreement protocol enables a system of n nodes in a distributed network to agree on a common input value. In the implicit version of the problem, only a subset of the nodes are required to decide the common value. ...
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The coverage problem in wireless sensor network deals with the problem of covering a region or parts of it with sensors. In this paper, we address the problem of covering a set of line segments with minimum number of ...
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In this paper we consider a simplified variant of the discrete Voronoi Game in R2, which is also of independent interest in competitive facility location. The game consists of two players P1 and P2, and a finite set U...
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In this paper we consider a simplified variant of the discrete Voronoi Game in R2, which is also of independent interest in competitive facility location. The game consists of two players P1 and P2, and a finite set U of users in the plane. The players have already placed two sets of facilities F and S, respectively in the plane. The game begins by P1 placing a new facility followed by P2 placing another facility, and the objective of both the players is to maximize their own total payoffs. When |F| = |S| = m, this corresponds to the last round of the (m + 1)-round discrete Voronoi Game in R2. In this paper we propose polynomial time algorithms for obtaining optimal strategies of both the players under arbitrary locations of the existing facilities F and S. We show that the optimal strategy of P2, given any placement of P1, can be found in O(n2) time, and the optimal strategy of P1 can be found in O(n8) time.
If the variables used for a checkpointing algorithm have data faults, the algorithm may fail. In this paper, a self-stabilizing checkpointing algorithm is proposed for handling data faults in a ring network. The propo...
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We study the shortest k-violation path problem in a simple polygon. Let P be a simple polygon in 2 with n vertices and let s,t be a pair of points in P. Let int(P) represent the interior of P. Let P = 2(P) represent t...
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Arbitrary Pattern Formation is a fundamental robot coordination problem. The problem asks for a distributed algorithm that allows a swarm of autonomous mobile robots to form any pattern given as input. The majority of...
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Consider a group of autonomous mobile computational entities, called agents, arbitrarily placed at some nodes of a dynamic but always connected ring. The agents neither have any knowledge about the size of the ring no...
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In this paper, we propose a placement method for island-style FPGAs, based on recursive bi-partitioning followed by application of space-filling curves. Experimental results of our method show 55% improvement in cost,...
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