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A set of k mobile agents are placed on the boundary of a simply connected planar object represented by a cycle of unit length. Each agent has its own predefined maximal speed, and is capable of moving around this boundary without exceeding its maximal speed. The agents are required to protect the boundary from an intruder which attempts to penetrate to the… (More)

- Adrian Kosowski, Lukasz Kuszner
- ICAISC
- 2006

In the self-stabilizing model we consider a connected system of autonomous asynchronous nodes, each of which has only local information about the system. Regardless of the initial state, the system must achieve a desirable global state by executing a set of rules assigned to each node. The paper deals with the construction of a solution to graph coloring in… (More)

- Colin Cooper, David Ilcinkas, Ralf Klasing, Adrian Kosowski
- Distributed Computing
- 2009

We consider the problem of exploring an anonymous undirected graph using an oblivious robot. The studied exploration strategies are designed so that the next edge in the robot’s walk is chosen using only local information, and so that some local equity (fairness) criterion is satisfied for the adjacent undirected edges. Such strategies can be seen as an… (More)

- Cyril Gavoille, Ralf Klasing, Adrian Kosowski, Lukasz Kuszner, Alfredo Navarra
- Networks
- 2009

Distributed Greedy Coloring is an interesting and intuitive variation of the standard Coloring problem. Given an order among the colors, a coloring is said to be greedy if there does not exist a vertex for which its associated color can be replaced by a color of lower position in the fixed order without violating the property that neighbouring vertices must… (More)

- Adrian Kosowski
- Discrete Applied Mathematics
- 2009

- P Olausson, M Ericson, A Petersson, A Kosowski, B Söderpalm, J A Engel
- Alcohol
- 1998

This study evaluated the influence of nefazodone, a combined 5-HT2A receptor antagonist and 5-HT reuptake inhibitor, on the behavioral and neurochemical effects of ethanol in nonselected male Wistar rats. In microdialysis experiments, ethanol (2.5 g/kg, i.p.) increased extracellular accumbal dopamine levels by 36% (p = 0.0073) compared to baseline levels,… (More)

- Ralf Klasing, Adrian Kosowski, Alfredo Navarra
- OPODIS
- 2008

The rotor-router model, also called the Propp machine, was first considered as a deterministic alternative to the random walk. It is known that the route in an undirected graph G = (V,E), where |V | = n and |E| = m, adopted by an agent controlled by the rotor-router mechanism forms eventually an Euler tour based on arcs obtained via replacing each edge in G… (More)

- Cyril Gavoille, Adrian Kosowski, Marcin Markiewicz
- DISC
- 2009

- Jurek Czyzowicz, Adrian Kosowski, Andrzej Pelc
- Distributed Computing
- 2010

Two identical (anonymous) mobile agents start from arbitrary nodes in an a priori unknown graph and move synchronously from node to node with the goal of meeting. This <i>rendezvous</i> problem has been thoroughly studied, both for anonymous and for labeled agents, along with another basic task, that of exploring graphs by mobile agents. Intuitively, the… (More)