Keynotes -- Topics in Region Theory and Synthesis Problems -- Flat Petri Nets -- Application of Concurrency to System Design -- Cost and Quality in Crowdsourcing Workflows -- Timed Petri Nets with Reset for Pipelined Synchronous Circuit Design -- A Turn-Based Approach for Qualitative Time Concurrent Games -- Games -- Canonical Representations for Direct Generation of Strategies in High-level Petri Games -- Automatic Synthesis of Transiently Correct Network Updates via Petri Games -- Verification -- Computing Parameterized Invariants of Parameterized Petri Nets -- On the Combination of Polyhedral Abstraction and SMT-based Model Checking for Petri nets -- Skeleton Abstraction for Universal Temporal Properties -- Reduction Using Induced Subnets To Systematically Prove Properties For Free-Choice Nets -- Model Checking of Synchronized Domain-Specific Multi-Formalism Models Using High-Level Petri Nets -- Synthesis and Mining -- Edge and event and state removal: the complexity of some basic techniques that make transition systems Petri net implementable -- Synthesis of (Choice-Free) Reset Nets -- Synthesis of Petri Nets with restricted place-environments: classical and parameterized -- Discovering Stochastic Process Models By Reduction and Abstraction -- Reachability and Partial Order -- Efficient Algorithms for Three Reachability Problems in Safe Petri Nets -- A Lazy Query Scheme for Reachability Analysis in Petri nets -- Abstraction-based Incremental Inductive Coverability for Petri nets -- Firing Partial Orders in a Petri Net -- Semantics -- Deterministic concurrent systems -- Deciphering the Co-car Anomaly of Circular Traffic Queues using Petri Nets -- Tools -- Cortado - An Interactive Tool for Data-Driven Process Discovery and Modeling -- PROVED: A Tool for Graph Representation and Analysis of Uncertain Event Data.