Modular curves, invariant theory and $E_8$
Number Theory
2017-06-09 v4 Algebraic Geometry
Representation Theory
Abstract
The root lattice can be constructed from the modular curve by the invariant theory for the simple group . This gives a different construction of the root lattice. It also gives an explicit construction of the modular curve .
Keywords
Cite
@article{arxiv.1704.01735,
title = {Modular curves, invariant theory and $E_8$},
author = {Lei Yang},
journal= {arXiv preprint arXiv:1704.01735},
year = {2017}
}
Comments
39 pages. arXiv admin note: text overlap with arXiv:1511.05278