Foundations for matroids of rank 4 on 9 elements and rank 3 on 10 and 11 elements
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资源简介：
This dataset contains the nonbases and foundations of matroids of rank 4 on 9 elements and rank 3 on 10 and 11 elements. The instructions for using the dataset can be found here:
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Zenodo创建时间：
2026-07-10
