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267 results on '"Karwowski J"'

7. Anchoring Theory in Sequential Stackelberg Games

Author

Karwowski, J., Mańdziuk, J., and Adam Żychowski

Subjects
FOS: Computer and information sciences, Artificial Intelligence (cs.AI), Computer Science - Computer Science and Game Theory, Computer Science - Artificial Intelligence, I.2.8, Computer Science and Game Theory (cs.GT)
Abstract

An underlying assumption of Stackelberg Games (SGs) is perfect rationality of the players. However, in real-life situations (which are often modeled by SGs) the followers (terrorists, thieves, poachers or smugglers) -- as humans in general -- may act not in a perfectly rational way, as their decisions may be affected by biases of various kinds which bound rationality of their decisions. One of the popular models of bounded rationality (BR) is Anchoring Theory (AT) which claims that humans have a tendency to flatten probabilities of available options, i.e. they perceive a distribution of these probabilities as being closer to the uniform distribution than it really is. This paper proposes an efficient formulation of AT in sequential extensive-form SGs (named ATSG), suitable for Mixed-Integer Linear Program (MILP) solution methods. ATSG is implemented in three MILP/LP-based state-of-the-art methods for solving sequential SGs and two recently introduced non-MILP approaches: one relying on Monte Carlo sampling (O2UCT) and the other one (EASG) employing Evolutionary Algorithms. Experimental evaluation indicates that both non-MILP heuristic approaches scale better in time than MILP solutions while providing optimal or close-to-optimal solutions. Except for competitive time scalability, an additional asset of non-MILP methods is flexibility of potential BR formulations they are able to incorporate. While MILP approaches accept BR formulations with linear constraints only, no restrictions on the BR form are imposed in either of the two non-MILP methods.

Published
2019

14. Symmetric Group Graphical Approach to the Configuration Interaction Method

Author

Duch, W., Karwowski, J., Berthier, Gaston, editor, Dewar, Michael J. S., editor, Fischer, Hanns, editor, Fukui, Kenichi, editor, Hall, George G., editor, Hartmann, Hermann, editor, Jaffé, Hans H., editor, Jortner, Joshua, editor, Kutzelnigg, Werner, editor, Ruedenberg, Klaus, editor, Scrocco, Eolo, editor, and Hinze, Jürgen, editor

Published
1981
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