Monodromy of hypergeometric functions and non-lattice integral monodromy . Generalized Picard lattices arising from half-integral conditions . P-adic etale cohomology . A criterion for the non-existence of invariant circles - Institut des hautes études scientifiques (France); Deligne, Pierre; Mostow, George D.; Bloch, Spencer; 加藤, 和也; Mather, John N. (Publications mathématiques, 1986)