title = {Synthesizing robust systems },
    author = {Bloem, Roderick and Greimel, Karin and Henzinger, Thomas A. and Jobstmann, Barbara},
    year = {2009},
    booktitle = {Proceedings of 9th International Conference on Formal Methods in Computer-Aided Design, FMCAD 2009, 15-18 November 2009, Austin, Texas, USA},
    pages = {85-92},
    team = {DCS},
    abstract = {Many specifications include assumptions on the environment. If the environment satisfies the assumptions then a correct system reacts as intended. However, when the environment deviates from its expected behavior, a correct system can behave arbitrarily. We want to synthesize robust systems that degrade gracefully, i.e., a small number of environment failures should induce a small number of system failures. We define ratio games and show that an optimal robust system corresponds to the winning strategy of a ratio game, where the system minimizes the ratio of system errors to environment errors. We show that ratio games can be solved in pseudopolynomial time.},

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