Hiroyuki Umeo

Papers

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About

Hiroyuki Umeo is a leading figure in the design and analysis of cellular automata, with a particular focus on synchronization problems and fault-tolerant computation. His most influential work tackles the classic Firing Squad Synchronization Problem, where he has developed optimal-time solutions for one- and two-dimensional arrays, including groundbreaking algorithms for arbitrary networks. Umeo’s contributions extend to real-time systems and Cyber-Physical Systems, where he introduced a thread speed control scheme for microprocessors to ensure predictable execution in robotics and transportation. With over 3,000 citations, his research has profoundly shaped theoretical computer science and practical distributed computing. Notably, his 2011 paper on real-time microprocessors, though modestly cited, reflects his commitment to bridging abstract automata theory with tangible engineering challenges. Umeo’s work is essential reading for anyone exploring synchronization, cellular automata, or the intersection of theoretical models and real-world systems.