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Alexandr Prishlyak

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#edge computing Open access Oct 2026

Rotation-system codes: enumeration and visualization of cellular graph embeddings

Two tools for cellular graph embeddings into closed surfaces given by rotation-system codes. general_codes.py enumerates all canonical codes with k edges, computes faces, Euler characteristic and genus, builds equivalence classes (rooted graphs, f-atoms, atoms) and saves the results as JSON. atoms_viewer.html is a sing...

Alexandr Prishlyak · 0 citations
#edge computing Open access Sep 2026

Codes of Rotation Systems of a Cell-Embedded Graph in an Oriented Surface

This software generates, counts, and classifies codes of rotation systems of cell-embedded graphs in oriented surfaces with a fixed root vertex and a fixed oriented sector. For a given number kk of edges, a code is a finite sequence over the alphabet {0,1,…,k}. Each number 1,…,k occurs exactly twice, while 0 may occur...

Alexandr Prishlyak · 0 citations

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