Models and Languages.- History-Dependent Automata: An Introduction.- Mobile Distributed Programming in X-Klaim.- Scalability and Performance.- Dealing with Node Mobility in Ad Hoc Wireless Network.- Performance Analysis of Mobile Systems.- Dynamic Power Management.- A Methodology Based on Formal Methods for Predicting the Impact of Dynamic Power Management.- Dynamic Power Management Strategies Within the IEEE 802.11 Standard.- Middleware Support.- Network Swapping.- Hermes: Agent-Based Middleware for Mobile Computing.