Add Wish List Add to Cart The item has been added Borcherds Products on O(2,l) and Chern Classes of Heegner Divisors Around 1994 R. Borcherds discovered a new type of meromorphic modular form on the orthogonal group $O(2,n)$. These "Borcherds products" have infinite product expansions analogous to the Dedekind... RRP: $60.00 Add to Cart The item has been added