Several articles of H.Nakamura
H.Nakamura, A.Tamagawa, S.Mochizuki:
``The Grothendieck Conjecture on the Fundamental Groups of
Algebraic Curves''
Copyright 1999 American Mathematical Society
``Sugaku Expositions'' (AMS), Volume 14 (2001), 31--53
English translation (by S.Mochizuki) from
``Sugaku'' 50(2), 1998, pp. 113-129 (Japanese).
H.Nakamura :
"Galois rigidity of profinite fundamental groups"
Copyright 1997 American Mathematical Society
Sugaku Expositions (AMS) 10 (1997), no. 2,
195--215.
English translation from Sugaku 47 (1995), no. 1, 1--17.
Some recent ones:
H.Nakamura:
``Generalized Rademacher functions and
some congruence properties''
in ``Galois theory and modular forms''
(K.Hashimoto, K.Miyake, H.Nakamura eds.)
Developments in Math. Vol.11 (2003), pp.375--394,
Kluwer Acad. Publ.
H.Nakamura, K.Oguiso:
``Elementary moduli space of triangles and iterative processes''
--- a revised version of a preprint written in 1987
J. Math. Sci., Univ. Tokyo, 10 (2003), pp. 209--224
P.Lochak, H.Nakamura, L.Schneps:
"Eigenloci of 5 point configurations on the Riemann sphere
and the Grothendieck-Teichmueller group"
Math. J. Okayama Univ. 46 (2004), 39--75.
H.Nakamura, H.Tsunogai:
"Harmonic and equianharmonic equations
in the Grothendieck-Teichmueller group, II"
in "Primes and Knots" (T.Kohno, M.Morishita eds.)
AMS Contemporary Mathematics 416 (2006), 197--211
More could be available via Email:
h-naka((at))math.okayama-u.ac.jp