Folding surface bundles of genus 2, J.Fac.Sci.Univ.Tokyo Ser.IA

On the homotopy type of the moduli space of n-point sets of P^1, J.Fac.Sci.Univ.Tokyo Ser.IA

The invariant differential forms on the Teichmuller space under the Fenchel-Nielsen flows, J. Math. Soc. Japan

On the complex analytic Gel'fand-Fuks cohomology of Riemann surfaces, Ann. Inst. Fourier

An infinitesimal approach to the stable cohomology of the moduli of Riemann surfaces, in: Topology and Teichmuller Spaces, World Scientific, Singapore.(1996), 79--100.

(with S. Morita) The primary approximation to the cohomology of the moduli space of curves and cocycles for the stable cohomology classes, Math. Research Lett.

Homology of hyperelliptic mapping class groups for surfaces, Topology and its appl.

A generalization of the Morita-Mumford classes of extended mapping class groups for surfaces, Invent. math.

(with T. Uemura) Riemann-Hurwitz formula for Morita-Mumford classes and surface symmetries, Kodai Math. J.

(with Y. Shibukawa) The meromorphic solutions of the Bruschi-Calogero equation, Publ. RIMS Kyoto Univ.

(with T. Akita and T. Uemura) Periodic surface automorphisms and algebraic independence of Morita-Mumford classes, J. Pure Appl. Alg.

Weierstrass points and Morita-Mumford classes on hyperelliptic mapping class groups, Topology and its appl.

Twisted Morita-Mumford classes on braid groups, Geometry & Topology Monographs

(with T. Akita) Integral Riemann-Roch formulae for cyclic subgroups of mapping class groups, Math. Proc. Camb. Phil. Soc.

On the stable cohomology algebra of extended mapping class groups for surfaces, Advanced Studies in Pure Mathematics (Groups of Diffeomorphisms), 52 (2008) 383--400. (old version) (old version)

(with A. J. Bene and R. C. Penner) Canonical lifts of the Johnson homomorphisms to the Torelli groupoid, Adv. Math., 221(2009) 627--659. (preprint arXiv: 0707.2984)

(with Y. Kuno) The logarithms of Dehn twists, Quantum Topology, 5 (2014) 347--423. (preprint, arXiv: 1008.5017 (2010), UTMS preprint: 2010–12)

(with Y. Kuno) The center of the Goldman Lie algebra of a surface of infinite genus, Quarterly J. Math., 64 (2013) 1167--1190. (preprint, arXiv: 1009.4985 (2010), UTMS preprint: 2010-20)

(with T. Ishida) The Lie algebra of rooted planar trees, Hokkaido Math. J., 42 (2013) 397--416. (preprint, arXiv: 1105.4713 (2011), UTMS preprint: 2011-14)

(with Y. Kuno and K. Toda) Generators of the homological Goldman Lie algebra, Osaka J. Math. 51 (2014) 665--671. (preprint, arXiv: 1207.4572 (2012))

Surface topology and involutive bimodules, RIMS Kokyuroku Besssatsu B48 (2014) 1--23. (preprint, arXiv: 1301.1398 (2013))

(with Y. Kuno) Intersections of curves on surfaces and their applications to mapping class groups, Ann. Inst. Fourier 65 (2015) 2711--2762. (preprint, arXiv: 1112.3481 (2011))

A tensorial description of the Turaev cobracket on genus 0 compact surfaces, to appear in: RIMS Kokyuroku Bessatsu (preprint: arXiv:1506.03174)

(with A. Alekseev, Y. Kuno and F. Naef) Higher genus Kashiwara-Vergne problems and the Goldman-Turaev Lie bialgebra,

C. R. Acad. Sci. Paris, Ser. I.

(with S. Fukuhara and Y. Kuno) Self-intersections of curves on a surface and Bernoulli numbers, to appear in: Osaka Journal of Mathematics, preprint: arXiv:1505.04840

All the above articles are refereed.

Moduli space and complex analytic Gel'fand-Fuks cohomology of Riemann surfaces, preprint UTMS

(with S. Morita) The primary approximation to the cohomology of the moduli space of curves and cocycles for the Mumford-Morita-Miller classes, preprint: UTMS

Cohomological aspects of Magnus expansions, preprint: UTMS

Harmonic Magnus Expansion on the Universal Family of Riemann Surfaces, arXiv: math.GT/0603158(2006)

Johnson's homomorphisms and the Arakelov-Green function, arXiv: 0801.4218 (2008)

(with Y. Kuno) Groupoid-theoretical methods in the mapping class groups of surfaces, arXiv: 1109.6479 (2011), UTMS preprint: 2011–28

The mapping class group orbits in the framings of compact surfaces, arXiv:1703.02258 (2017)

(with A. Alekseev, Y. Kuno and F. Naef) The Goldman-Turaev Lie bialgebra in genus zero and the Kashiwara-Vergne problem, preprint: arXiv:1703.05813 (2017)

Canonical 2-forms on the moduli space of Riemann surfaces, `Handbook of Teichmueller theory', edited by A. Papadopoulos, Volume II, EMS Publishing House, Zurich, 2009, pp. 217--237. (preprint arXiv: 0708.4271)

A regular homotopy version of the Goldman-Turaev Lie bialgebra, the Enomoto-Satoh traces and the divergence cocycle in the Kashiwara-Vergne problem, RIMS Kokyuroku

Harmonic Magnus expansions, Stasheff associahedrons and Morita-Mumford classes,(written in Japanese)

An extended absract for an invited address in Topology Session at the annual meeting of the Mathematical Society of Japan, Tsukuba University on March 31, 2004.

HARMONIC MAGNUS EXPANSION ON THE UNIVERSAL FAMILY OF RIEMANN SURFACES,(written in English)

March, 2006.

The logarithms of Dehn twists, (written in English)

December, 2010

slides for a talk in the workshop

`Analysis and Geometry of Discrete Groups and Hyperbolic Spaces'

RIMS, Kyoto University, December 13, 2011.

This talk is based on joint papers (arXiv:1109.6479 and 1112.348) with Yusuke Kuno.

Johnson-Morita theory and the Goldman-Turaev Lie bialgebras

(part I), (part II), (written in English)

slides for a mini-course in the workshop

`Mapping class groups and quantum topology'

IRMA, University of Strasbourg, June 25 - 27, 2012.

Part II is based on joint papers (arXiv:1109.6479 and 1112.348) with Yusuke Kuno.

Mapping class groups and the Goldman-Turaev Lie bialgebra, (written in English)

silides for a talk in the conference `GAAGTA',

Kunming University of Science and Technology, July 26, 2012.

This talk is based on joint papers (arXiv:1109.6479 and 1112.348) with Yusuke Kuno.

The completed Goldman-Turaev Lie bialgebra and mapping class groups, (written in English)

slides for a talk in the JSPS/CNRS joint seminar

`Aspects of representation theory in low-dimensional topology and 3-dimensional invariants',

Club vacanciel, Carry-le-Rouet, November 6, 2012.

This talk is based on a joint work with Yusuke Kuno.

The Goldman-Turaev Lie bialgebra and the largest Torelli group, (written in English)

slides for a talk in the conference

`Advances in Teichmueller Theory',

Erwin Schroedinger Institute, Universitaet Wien, February 5, 2013.

This talk is based on a joint work with Yusuke Kuno.

An infinitesimal version of the Dehn-Nielsen theorem, (written in English)

slides for a talk in the conference

`Teichmueller Theory: quantization and relations with physics',

Erwin Schroedinger Institute, Universitaet Wien, April 17, 2013.

This talk is based on a joint work with Yusuke Kuno.

The Goldman-Turaev Lie bialgebra and the mapping class group, (written in English)

slides for a talk at

Caltech Geometry and Topology Seminar,

California Institute of Technology, September 18, 2013.

This talk is based on a joint work with Yusuke Kuno.

The Goldman-Turaev Lie bialgebra and the mapping class group,

(written in English except the cover page) slides for a talk at

The 9-th AAG seminar,

Kagoshima University, February 20, 2014.

This talk is based on a joint work with Yusuke Kuno.

A tensorial description of the Turaev cobracket on genus 0 compact surfaces,

slides for a short communication at the Topology Session, the annual meeting

of the Mathematical Society of Japan, at Meiji University, March 23, 2015.

The Kashiwara- Vergne problem and the Goldman-Turaev Lie bialgebra, I

slide for a talk at

gWorkshop on Grothendieck-Teichmueller Theoriesh,

Chern Institute of Mathematics, Nankai University, July 28, 2016.