Geodesic
Surjective Linear Maps Between Root Systems with Zero
Canadian mathematical bulletin, Tome 39 (1996) no. 1, pp. 25-34

Voir la notice de l'article provenant de la source Cambridge University Press

If R 1 and R 2 are root systems and there is a linear map which maps R 1 ∪{0} onto R 2∪{0} we write R 1 —> R 2. We determine all pairs (R 1, R 2) of irreducible root systems such that R 1 —> R 2.
DOI : 10.4153/CMB-1996-004-9
Mots-clés : 17B20, 17B25 
Đoković, D. Ž. Surjective Linear Maps Between Root Systems with Zero. Canadian mathematical bulletin, Tome 39 (1996) no. 1, pp. 25-34. doi: 10.4153/CMB-1996-004-9
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