activity
20102021
most citedBisimilarity on Basic Process Algebra is in 2-ExpTime (an explicit proof)

31 citations · 56 across the 19 of their papers we have counts for

collaborators

21 papers

cs.LO2021

Structural Liveness of Immediate Observation Petri Nets

Petr Jancar, Jiri Valusek

We look in detail at the structural liveness problem (SLP) for subclasses of Petri nets, namely immediate observation nets (IO nets) and their generalized variant called branching…

cs.FL2021

Simplest Non-Regular Deterministic Context-Free Language

Petr Jancar, Jiri Sima

We introduce a new notion of C-simple problems for a class C of decision problems (i.e. languages), w.r.t. a particular reduction. A problem is C-simple if it can be reduced to eac…

cs.LO2021★ 3 cited

Resource Bisimilarity in Petri Nets is Decidable

Irina Lomazova, Vladimir Bashkin, Petr Jančar

Petri nets are a popular formalism for modeling and analyzing distributed systems. Tokens in Petri net models can represent the control flow state or resources produced/consumed by…

cs.LO2020

Countdown games, and simulation on (succinct) one-counter nets

Petr Jancar, Petr Osicka, Zdenek Sawa

We answer an open complexity question by Hofman, Lasota, Mayr, Totzke (LMCS 2016) for simulation preorder on the class of succinct one-counter nets (i.e., one-counter automata with…

cs.LO2019★ 5 cited

Bisimulation Equivalence of First-Order Grammars is ACKERMANN-Complete

Petr Jančar, Sylvain Schmitz

Checking whether two pushdown automata with restricted silent actions are weakly bisimilar was shown decidable by Sénizergues (1998, 2005). We provide the first known complexity up…

cs.LO2018★ 3 cited

Equivalence of pushdown automata via first-order grammars

Petr Jancar

A decidability proof for bisimulation equivalence of first-order grammars is given. It is an alternative proof for a result by Sénizergues (1998, 2005) that subsumes his affirmativ…