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Academic Journal

A faster parameterized algorithm for Pseudoforest Deletion.

Authors : Bodlaender, Hans L.^1,2 ; Ono, Hirotaka³ ; Otachi, Yota⁴

Subjects: *MATHEMATICAL analysis; *GRAPH theory; *POLYNOMIALS

Source: Discrete Applied Mathematics. Feb2018, Vol. 236, p42-56. 15p.

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Academic Journal

Interior and exterior functions of positive Boolean functions

Authors : Makino, Kazuhisa¹ ; Ono, Hirotaka² ; Ibaraki, Toshihide³

Subjects: *BOOLEAN algebra; *NUMERICAL analysis; *POLYNOMIALS

Source: Discrete Applied Mathematics. Aug2003, Vol. 130 Issue 3, p417. 20p.

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Academic Journal

Approximability and inapproximability of the minimum certificate dispersal problem

Authors : Izumi, Tomoko¹ ; Izumi, Taisuke² ; Ono, Hirotaka³

Subjects: *APPROXIMATION theory; *DISPERSION (Chemistry); *GRAPH theory

Source: Theoretical Computer Science. Jun2010, Vol. 411 Issue 31-33, p2773-2783. 11p.

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Academic Journal

An algorithm for -labeling of trees

Authors : Hasunuma, Toru¹ ; Ishii, Toshimasa² ; Ono, Hirotaka³

Subjects: *GRAPH algorithms; *TREE graphs; *GRAPH theory

Source: Theoretical Computer Science. Sep2009, Vol. 410 Issue 38-40, p3702-3710. 9p.

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Academic Journal

Optimal approximability of bookmark assignments.

Authors : Asahiro, Yuichi¹ ; Miyano, Eiji² ; Murata, Toshihide²

Subjects: *PATHS & cycles in graph theory; *BOOKMARKS (Websites); *HYPERLINKS

Source: Discrete Applied Mathematics. Nov2013, Vol. 161 Issue 16/17, p2361-2366. 6p.

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Academic Journal

On the approximability and hardness of minimum topic connected overlay and its special instances

Authors : Hosoda, Jun¹; Hromkovič, Juraj² ; Izumi, Taisuke¹

Subjects: *APPROXIMATION theory; *COMMUNICATION; *POLYNOMIALS

Source: Theoretical Computer Science. Apr2012, Vol. 429, p144-154. 11p.

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