Efficient Local Computation of Differential Bisimulations via Coupling and Up-to Methods
We introduce polynomial couplings, a generalization of probabilistic couplings, to develop an algorithm for the computation of equivalence relations which can be interpreted as a lifting of probabilistic bisimulation to polynomial differential equations, a ubiquitous model of dynamical systems acros...
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| Published in: | Proceedings of the 36th Annual ACM/IEEE Symposium on Logic in Computer Science pp. 1 - 14 |
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| Main Authors: | , , , , , |
| Format: | Conference Proceeding |
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29.06.2021
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| Abstract | We introduce polynomial couplings, a generalization of probabilistic couplings, to develop an algorithm for the computation of equivalence relations which can be interpreted as a lifting of probabilistic bisimulation to polynomial differential equations, a ubiquitous model of dynamical systems across science and engineering. The algorithm enjoys polynomial time complexity and complements classical partition-refinement approaches because: (a) it implements a local exploration of the system, possibly yielding equivalences that do not necessarily involve the inspection of the whole system of differential equations; (b) it can be enhanced by up-to techniques; and (c) it allows the specification of pairs which ought not be included in the output. Using a prototype, these advantages are demonstrated on case studies from systems biology for applications to model reduction and comparison. Notably, we report four orders of magnitude smaller runtimes than partition-refinement approaches when disproving equivalences between Markov chains. |
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| AbstractList | We introduce polynomial couplings, a generalization of probabilistic couplings, to develop an algorithm for the computation of equivalence relations which can be interpreted as a lifting of probabilistic bisimulation to polynomial differential equations, a ubiquitous model of dynamical systems across science and engineering. The algorithm enjoys polynomial time complexity and complements classical partition-refinement approaches because: (a) it implements a local exploration of the system, possibly yielding equivalences that do not necessarily involve the inspection of the whole system of differential equations; (b) it can be enhanced by up-to techniques; and (c) it allows the specification of pairs which ought not be included in the output. Using a prototype, these advantages are demonstrated on case studies from systems biology for applications to model reduction and comparison. Notably, we report four orders of magnitude smaller runtimes than partition-refinement approaches when disproving equivalences between Markov chains. |
| Author | Bacci, Giorgio Bacci, Giovanni Tschaikowski, Max Larsen, Kim G. Vandin, Andrea Tribastone, Mirco |
| Author_xml | – sequence: 1 givenname: Giorgio surname: Bacci fullname: Bacci, Giorgio organization: Aalborg University,Department of Computer Science,Denmark – sequence: 2 givenname: Giovanni surname: Bacci fullname: Bacci, Giovanni organization: Aalborg University,Department of Computer Science,Denmark – sequence: 3 givenname: Kim G. surname: Larsen fullname: Larsen, Kim G. organization: Aalborg University,Department of Computer Science,Denmark – sequence: 4 givenname: Mirco surname: Tribastone fullname: Tribastone, Mirco organization: IMT Lucca,SysMA Research Unit,Italy – sequence: 5 givenname: Max surname: Tschaikowski fullname: Tschaikowski, Max organization: Aalborg University,Department of Computer Science,Denmark – sequence: 6 givenname: Andrea surname: Vandin fullname: Vandin, Andrea organization: Scuola Superiore Sant'Anna,Institute of Economics,Italy |
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| Snippet | We introduce polynomial couplings, a generalization of probabilistic couplings, to develop an algorithm for the computation of equivalence relations which can... |
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| SubjectTerms | Couplings Differential equations Heuristic algorithms Probabilistic logic Prototypes Runtime Systems biology |
| Title | Efficient Local Computation of Differential Bisimulations via Coupling and Up-to Methods |
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