35 citations · 170 across the 41 of their papers we have counts for
41 papers
Completely fixed point free isometry and cyclic orbifold of lattice vertex operator algebras
Hsian-Yang Chen, Ching Hung Lam
We continue our study of cyclic orbifolds of lattice vertex operator algebras and their full automorphism groups. We consider some special isometry such that is f…
The classification of vertex operator algebras of OZ-type generated by Ising vectors of -type
Cuipo Jiang, Ching Hung Lam, Hiroshi Yamauchi
We classify vertex operator algebras (VOAs) of OZ-type generated by Ising vectors of -type. As a consequence of the classification, we also prove that such VOAs are simple, rati…
Unitary forms for holomorphic vertex operator algebras of central charge
Ching Hung Lam
We prove that all holomorphic vertex operator algebras of central charge with non-trivial weight one subspaces are unitary. The main method is to use the orbifold construction…
A lattice theoretical interpretation of generalized deep holes of the Leech lattice vertex operator algebra
Ching Hung Lam, Masahiko Miyamoto
We give a lattice theoretical interpretation of generalized deep holes of the Leech lattice VOA . We show that a generalized deep hole defines a "true" automorphism invariant…
Automorphism groups and uniqueness of holomorphic vertex operator algebras of central charge
Koichi Betsumiya, Ching Hung Lam, Hiroki Shimakura
We describe the automorphism groups of all holomorphic vertex operator algebras of central charge with non-trivial weight one Lie algebras by using their constructions as simp…
Automorphism groups of cyclic orbifold vertex operator algebras associated with the Leech lattice and some non-prime isometries
Koichi Betsumiya, Ching Hung Lam, Hiroki Shimakura
We determine the automorphism groups of the cyclic orbifold vertex operator algebras associated with coinvariant lattices of isometries of the Leech lattice in the conjugacy classe…