IWOCA 2021 will take place in Ottawa, Canada. The conference is focusing on significant research contributions to the broad area of combinatorial algorithms, including (but not limited to):

• Algorithms and Data Structures
• Algorithmic Game Theory
• Approximation Algorithms
• Complexity Theory
• Combinatorics and Graph Theory
• Combinatorial Generation and Enumeration
• Combinatorial Optimization
• Combinatorics of Words and Strings
• Computational Geometry
• Computational Biology
• Cryptography and Information Security
• Graph Algorithms
• Graph Drawing and Labelling
• Decompositions and Combinatorial Designs
• Distributed and Network Algorithms
• Dynamic and Evolving Networks
• Mobile Agents
• New Paradigms of Computation
• Online Algorithms
• Parallel Algorithms
• Parameterized and Exact Algorithms
• Probabilistic and Randomized Algorithms
• Streaming Algorithms