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Wed 20 Jan 2016 15:35 - 16:00 at Grand Bay North - Track 1: Decision Procedures Chair(s): Loris D'Antoni

We show the diagonal problem for higher-order pushdown automata (HOPDA), and hence the simultaneous unboundedness problem, is decidable. From recent work by Zetsche this means that we can construct the downwards closure of the set of words accepted by a given HOPDA. This also means we can construct the downwards closure of the Parikh image of a HOPDA. Both of these consequences can play an important role in verifying concurrent higher-order programs expressed as HOPDA or safe higher-order recursion schemes.

Wed 20 Jan

POPL-2016-papers
14:20 - 16:00: Research Papers - Track 1: Decision Procedures at Grand Bay North
Chair(s): Loris D'AntoniUniversity of Pennsylvania
POPL-2016-papers14:20 - 14:45
Talk
Xin ZhangGeorgia Tech, Ravi MangalGeorgia Institute of Technology, Aditya NoriMicrosoft Research, UK, Mayur NaikGeorgia Tech
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POPL-2016-papers14:45 - 15:10
Talk
Anthony Widjaja LinYale-NUS College, Singapore, Pablo BarceloUniversity of Chile, Chile
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POPL-2016-papers15:10 - 15:35
Talk
Luca CardelliMicrosoft Research and University of Oxford, Mirco TribastoneIMT Institute for Advanced Studies Lucca, Italy, Max TschaikowskiIMT Institute for Advanced Studies Lucca, Italy, Andrea VandinIMT Institute for Advanced Studies Lucca, Italy
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POPL-2016-papers15:35 - 16:00
Talk
Matthew HagueRoyal Holloway University of London, UK, Jonathan KochemsDepartment of Computer Science, University of Oxford, C.-H. Luke OngUniversity of Oxford, UK
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