Ladderpath is an algorithmic framework for revealing nested and hierarchical structures in symbolic sequences. It is designed to identify repeated and recursively organized patterns, providing a way to study sequence organization from the perspective of compression, hierarchy, and complex systems.
Ladderpath: An efficient algorithm for revealing nested hierarchy in sequences
J. Zhang, X. Xie, X. Deng, J. Wang, X. Hu, Y. Wang, H. Zhu, F. Zhai, and Y. Liu
Array, 100663, 2026.
Note: X. Xie is a co-first author of this work.
Text Distance from Nested and Hierarchical Repetitions: A Compression-Based Perspective
X. Hu, J. Wang, J. Zhang, F. Zhai, X. Xie, Z. Di, and Y. Liu
Available at SSRN 5863323.
For further work related to Ladderpath, please visit the Evolving Complex Systems Lab at Beijing Normal University.