Hidefumi HIRAISHI


Excluded Minors for ℚ-Representability in Algebraic Extension
Hidefumi HIRAISHI Sonoko MORIYAMA 
Publication:   
Publication Date: 2019/09/01
Vol. E102-A  No. 9  pp. 1017-1021
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: Graph algorithms
Keyword: 
matroidrepresentable matroidmatroid minor
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Revisiting the Top-Down Computation of BDD of Spanning Trees of a Graph and Its Tutte Polynomial
Farley Soares OLIVEIRA Hidefumi HIRAISHI Hiroshi IMAI 
Publication:   
Publication Date: 2019/09/01
Vol. E102-A  No. 9  pp. 1022-1027
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: Graph algorithms
Keyword: 
BDDTutte polynomialgraphpathwidthFPT algorithm
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Excluded Minors of Rank 3 for Orientability and Representability
Hidefumi HIRAISHI Sonoko MORIYAMA 
Publication:   
Publication Date: 2018/09/01
Vol. E101-A  No. 9  pp. 1355-1362
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
matroidrepresentable matroidmatroid minor
 Summary | Full Text:PDF

Parameterized Algorithms to Compute Ising Partition Function
Hidefumi HIRAISHI Hiroshi IMAI Yoichi IWATA Bingkai LIN 
Publication:   
Publication Date: 2018/09/01
Vol. E101-A  No. 9  pp. 1398-1403
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
Ising modelpartition functionbranch decompositionrank decompositionfixed parameter tractability
 Summary | Full Text:PDF