Heuristic and exact algorithms for the spanning tree detection problem. - Takeo Yamada; Seiji Kataoka; Kohtaro Watanabe 001 (Comput. Oper. Res., 2005)

Algorithms to solve the knapsack constrained maximum spanning tree problem. - Takeo Yamada; Kohtaro Watanabe 001; Seiji Kataoka (Int. J. Comput. Math., 2005)

Listing all the minimum spanning trees in an undirected graph. - Takeo Yamada; Seiji Kataoka; Kohtaro Watanabe 001 (Int. J. Comput. Math., 2010)

Riemann zeta function and Lyapunov-type inequalities for certain higher order differential equations. - Kohtaro Watanabe 001; Hiroyuki Yamagishi; Yoshinori Kametaka (Appl. Math. Comput., 2011)

Elliptic theta function and the best constants of Sobolev-type inequalities. - Hiroyuki Yamagishi; Yoshinori Kametaka; Atsushi Nagai; Kohtaro Watanabe 001; Kazuo Takemura (JSIAM Lett., 2012)

Complete low-cut filter and the best constant of Sobolev inequality. - Hiroyuki Yamagishi; Yoshinori Kametaka; Atsushi Nagai; Kohtaro Watanabe 001; Kazuo Takemura (JSIAM Lett., 2013)

The best estimation corresponding to continuous model of Thomson cable. - Hiroyuki Yamagishi; Yoshinori Kametaka; Atsushi Nagai; Kohtaro Watanabe 001; Kazuo Takemura (JSIAM Lett., 2013)

The best constant of discrete Sobolev inequality on 1812 C60 fullerene isomers. - Yoshinori Kametaka; Kohtaro Watanabe 001; Atsushi Nagai; Kazuo Takemura; Hiroyuki Yamagishi; Hiroto Sekido (JSIAM Lett., 2020)

Shortened LDPC codes accelerate OSD decoding performance. - Kohtaro Watanabe 001; Ryusei Kaguchi; Toshiya Shinoda (EURASIP J. Wirel. Commun. Netw., 2021)

Improved scheme and evaluation method for progressive visual cryptography. - Binh Le Thanh Thai; Hidema Tanaka; Kohtaro Watanabe 001 (EURASIP J. Inf. Secur., 2022)

ADMM and Reproducing Sum-Product Decoding Algorithm Applied to QC-MDPC Code-Based McEliece Cryptosystems. - Kohtaro Watanabe 001; Motonari Ohtsuka; Yuta Tsukie (IEEE Trans. Inf. Theory, 2024)

Key reconstruction for QC-MDPC McEliece from imperfect distance spectrum. - Motonari Ohtsuka; Takahiro Ishimaru; Rei Iseki; Shingo Kukita; Kohtaro Watanabe 001 (IACR Cryptol. ePrint Arch., 2025)

Efficient Reconstruction in Key Recovery Attack on the QC-MDPC McEliece Cryptosystems. - Motonari Ohtsuka; Takahiro Ishimaru; Yuta Tsukie; Shingo Kukita; Kohtaro Watanabe 001 (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2025)