Crystals, Vol. 13, Pages 246: On Σ-Classes in E8. I. The Neighborhood of E8

Crystals, Vol. 13, Pages 246: On Σ-Classes in E8. I. The Neighborhood of E8

Crystals doi: 10.3390/cryst13020246

Authors: Peter Engel

In the cone of positive quadratic forms C8×8, it is shown that there exists in the neighborhood the quadratic form QE8 , a large cluster of non-equivalent S0-subcones of positive volume.