office: 16-322A

phone: 03-5454-6527

fax: 03-5454-6890

e-mail: ka

PGP key: http://hep1.c.u-tokyo.ac.jp/~kato/pgp.asc

- Hybrid Monte Carlo on Lefschetz Thimbles -- A study of the residual sign problem. (with H. Fujii, D. Honda, Y. Kikukawa, S. Komatsu, T. Sano)
- JHEP 1310 (2013) 147.
- arXiv:1309.4371 [hep-lat]
- Extended string field theory for massless higher-spin fields. (with M. Asano)
- Nucl. Phys. B877 (2013) 1107-1128.
- arXiv:1309.3850 [hep-th]
- A criterion for lattice supersymmetry: cyclic Leibniz rule. (with M. Sakamoto and H. So)
- JHEP 1305 (2013) 089.
- arXiv:1303.4472 [hep-lat]
- Leibniz rule, locality and supersymmetry on lattice. (with M. Sakamoto and H. So)
- PoS LATTICE2012 (2012) 231
- arXiv:1212.1533 [hep-lat]
- Closed string field theory in a-gauge. (with M. Asano)
- JHEP 1209 (2012) 121.
- arXiv:1206.3901 [hep-th]
- General Linear Gauges and Amplitudes in Open String Field Theory. (with M. Asano)
- Nucl. Phys. B807 (2009) 348-372.
- arXiv:0807.5010 [hep-th]
- No-Go Theorem of Leibniz Rule and Supersymmetry on the Lattice. (with M. Sakamoto and H. So)
- PoS LATTICE2008 (2008) 233
- arXiv:0810.2360 [hep-lat]
- Taming the Leibniz Rule on the Lattice. (with M. Sakamoto and H. So)
- JHEP 0805 (2008) 057
- arXiv:0803.3121 [hep-lat]
- Level Truncated Tachyon Potential in Various Gauges. (with M. Asano)
- JHEP 01 (2007) 028
- hep-th/0611190
- New Covariant Gauges in String Field Theory. (with M. Asano)
- Prog. Theor. Phys. 117 (2007) 569-587.
- hep-th/0611189
- Physical state representations and gauge fixing in string theory. (with M. Asano, M. Natsuume)
- JHEP 0511 (2005) 033.
- hep-th/0509188
- Leibniz rule and exact supersymmetry on lattice: a case of supersymmetrical quantum mechanics. (with M. Sakamoto, H. So)
- PoS LAT2005 (2005) 274.
- hep-lat/0509149
- Genuine Symmetry of Staggered Fermion. (with K. Itoh, M. Murata, H. Sawanaka, H. So)
- Prog. Theor. Phys. 114 (2005) 631-641.
- hep-lat/0412039
- Novel Approach to Super Yang-Mills Theory on Lattice -Exact fermionic symmetry and "Ichimatsu" pattern-. (with K. Itoh, H. Sawanaka, H. So, N. Ukita)
- JHEP 0302 (2003) 033.
- hep-lat/0210049
- Towards the SuperYang-Mills Theory on the Lattice. (with K. Itoh, H. Sawanaka, H. So, N. Ukita)
- Progress of Theoretical Physics 108 (2002) 363 - 374.
- hep-lat/0112052
- SuperYang-Mills Theory on Lattice and the Transformation. (with K. Itoh, H. Sawanaka, H. So, N. Ukita)
- Nuclear Physics Proceeding Supplement 106-107 (2002) 947 - 949.

hep-lat/0110082 - World Volume Noncommutativity versus Target Space Noncommutativity. (with T. Kuroki)
- JHEP 03 (1999) 012

hep-th/9902004 - Topological Matrix Model. (with S. Hirano)
- Progress of Theoretical Physics 98 (1997) 1371 - 1384.

hep-th/9708039 - D-Branes on Group Manifolds. (with T. Okada)
- Nuclear Physics B499 (1997) 583 - 595.

hep-th/9612148 - Physical Spectra in String Theories --- BRST Operators and Similarity Transformations.
- UT-Komaba/95-12, Invited Talk given at the "International Symposium on BRS Symmetry" (Sep. 18--22, 1995, RIMS Kyoto), BRS Symmetry (eds. Abe, Nakanishi and Ojima, Universal Academy Press, 1996).

hep-th/9512201 - Domain structures and Convexity of the Effective Potential. (with H. Mukaida and Y. Shimada)
- unpublished
- Note on N=0 String as N=1 String. (with H. Ishikawa)
- Modern Physics Letters, A9 (1994) 725 - 728.

hep-th/9311139 - c=1 String as a Topological Model. (with H. Ishikawa)
- International Journal of Modern Physics, A9 (1994) 5769 - 5789.

hep-th/9304039

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