The Quantum-dot Cellular Auotomata Group at the Faculty of Computer and Information Science, University of Ljubljana which is led by Assistant Professor Iztok Lebar Bajec and is based within the Laboratory of Computer Structures and Systems. We are involved with studies of nano-scale devices capable of performing computation at very high switching speeds and consuming extremely small amounts of electrical power. The device (Quantum-dot Cellular Automaton) was proposed in 1993 by Craig Lent, et al. as a physical implementation of an automaton using quantum-dot cells and combines the discrete nature of both cellular automata and quantum mechanics. Lent’s automaton is intended as a binary processing platform that will eventually replace the current transistor switching circuits. The proposal quickly gained popularity and it was first fabricated in 1997. Our group, with the premise that future processing platforms should not disregard the advantages of multi-valued processing, extended Lent’s automaton so that it supports ternary processing. Our research activities are concentrated on the general problem of planning and routing in quantum-dot cellular automata, the analysis of the ternary quantum-dot cell parameter space, but mostly with processing structures implemented using ternary quantum-dot cells.