Stem hypermap$ (all stems)
2 papers:
- SAC-2007-Dufourd #framework #proving #theorem
- A hypermap framework for computer-aided proofs in surface subdivisions: genus theorem and Euler’s formula (JFD), pp. 757–761.
- RTA-1987-Sopena #combinator
- Combinatorial Hypermap Rewriting (ES), pp. 62–73.