On a construction of coordinates at infinity on manifolds with fast curvature decay and maximal volume growth. S. Bando; A. Kasue; H. Nakajima — 1989 Inventiones mathematicae
Quantum-dot-based photon emission and media conversion for quantum information applications. Kumano, H.; Nakajima, H.; Ekuni, S.; Idutsu, Y.; Sasakura, H.; Suemune, I. — 2010 Advances in Mathematical Physics