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A python implementation of Polya's enumeration theory.

Project description

Polya

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A python implementation of Polya's enumeration theory and pattern inventory formula.

Usage

Here is an example on how to extract the cycle index polynomial (p_g) and number of distinct first coordination polyhedron (nms) for the fcc crystal structure with a number of ntypes = 3 chemical elements. Additonal graph geometries can be defined in polya/_src/graphs.py. This example can be found in the examples/ folder.

from polya import Polya
pl = Polya(graph_name="fcc")
p_g, nms = pl.get_gt(ntypes=3)
print(p_g)

Installation

For a standalone Python package or Conda environment, please use:

pip install --user polya

If you want to install the lastest git commit, please replace polya by git+https://github.com/killiansheriff/polya.git.

Contact

If any questions, feel free to contact me (ksheriff at mit dot edu).

References & Citing

If you use this repository in your work, please cite:

@article{TOBEUPDATED,
  title={TOBEUPDATED},
  author={Sheriff, Killian and Cao, Yifan and Freitas, Rodrigo},
  journal={arXiv preprint TOBEUPDATED},
  year={2024}
}

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