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Fingerprint Dive into the research topics where Hidefumi Kawasaki is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

Second-order Optimality Conditions Mathematics
Second derivative Mathematics
Conjugate points Mathematics
Directional derivative Mathematics
Second-order Derivatives Mathematics
Second-order Necessary Conditions Mathematics
Bimatrix Games Mathematics
Nonlinear Programming Mathematics

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Research Output 1981 2017

A discrete fixed point theorem utilizing the direction preserving condition

Kawasaki, H. & Hashiyama, S., 2017, In : Journal of Nonlinear and Convex Analysis. 18, 8, p. 1535-1545 11 p.

Research output: Contribution to journalArticle

Fixed point theorem
Decomposition
Decompose
Brouwer Fixed Point Theorem
Arbitrary

An application of a theorem of alternatives to origami

Kawasaki, H., Jul 2017, In : Journal of the Operations Research Society of Japan. 60, 3, p. 393-399 7 p.

Research output: Contribution to journalArticle

Duality
Mathematics
Twist

Dynamic dualization in a general setting

Kawasaki, H., Apr 1 2017, In : Journal of the Operations Research Society of Japan. 60, 2, p. 44-49 6 p.

Research output: Contribution to journalArticle

Objective function
Dual problem
Convolution
Duality
Optimization problem

A combinatorial definition of 1D flat-folding

Kawasaki, H., Apr 19 2016, Origami 5: Fifth International Meeting of Origami Science, Mathematics, and Education. CRC Press, p. 575-583 9 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Folding

A comparison of discrete fixed point theorems via a bimatrix game

Kawasaki, H., 2015, In : Journal of Nonlinear and Convex Analysis. 16, 8, p. 1501-1510 10 p.

Research output: Contribution to journalArticle

Bimatrix Games
Fixed point theorem
Brouwer Fixed Point Theorem
Monotone Mapping
Contraction Mapping