The locus of Hodge classes in an admissible variation of mixed Hodge structure
arXiv:1002.4422
Abstract
We generalize the theorem of E. Cattani, P. Deligne, and A. Kaplan to admissible variations of mixed Hodge structure.
The final version paper has appeared in C. R. Math. Acad. Sci. Paris 348 (2010). Version 3 replaces Version 2 which was a version of a different paper mistakenly uploaded by Brosnan