Geodesic
Compression of root systems and the \(E\)-sequence
The electronic journal of combinatorics, Tome 15 (2008)
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We examine certain maps from root systems to vector spaces over finite fields. By choosing appropriate bases, the images of these maps can turn out to have nice combinatorial properties, which reflect the structure of the underlying root system. The main examples are $E_6$ and $E_7$.
DOI : 10.37236/839
Classification : 17B22, 17B25
Mots-clés : visualising the root systems E6 and E7 
@article{10_37236_839,
     author = {Kevin Purbhoo},
     title = {Compression of root systems and the {\(E\)-sequence}},
     journal = {The electronic journal of combinatorics},
     year = {2008},
     volume = {15},
     doi = {10.37236/839},
     zbl = {1206.17008},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/839/}
}
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Kevin Purbhoo. Compression of root systems and the \(E\)-sequence. The electronic journal of combinatorics, Tome 15 (2008). doi: 10.37236/839

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