Work place: Dept. of Computer Applications, National Institute of Technology Tiruchirappalli, Trichy 620015, India
E-mail: arish.p@gmail.com
Website:
Research Interests:
Biography
Arish Pitchai graduated with Bachelor of Computer Applications degree from Madurai Kamaraj University and Master of Computer Applications degree from National Institute of Technology Tiruchirappalli. Presently, he is pursuing Ph.D degree in Computer Applications in National Institute of Technology Tiruchirappalli.
By Arish Pitchai A V Reddy Nickolas Sarvarimuthu
DOI: https://doi.org/10.5815/ijmsc.2016.03.03, Pub. Date: 8 Jul. 2016
Subgame Perfect Equilibrium (SGPE) is a refined version of Nash equilibrium used in games of sequential nature. Computational complexity of classical approaches to compute SGPE grows exponentially with the increase in height of the game tree. In this paper, we present a quantum algorithm based on discrete-time quantum walk to compute Subgame Perfect Equilibrium (SGPE) in a finite two-player sequential game. A full-width game tree of average branching factor b and height h has nodes in it. The proposed algorithm uses oracle queries to backtrack to the solution. The resultant speed-up is times better than the best known classical approach, Zermelo's algorithm.
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