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Research Output 1981 2017

  • 148 Citations
  • 5 h-Index
  • 15 Article
2017
1 Citation (Scopus)

Strong convergence theorem for an infinite family of demimetric mappings in a hilbert space

Komiya, H. & Takahashi, W., 2017, In : Journal of Convex Analysis. 24, 4

Research output: Contribution to journalArticle

Strong Theorems
Strong Convergence
Convergence Theorem
Hilbert space
Common Fixed Point
2010

Fixed point properties related to multivalued mappings

Komiya, H., 2010, In : Fixed Point Theory and Applications. 2010, 581728.

Research output: Contribution to journalArticle

Fixed Point Property
Multivalued Mapping
Topological space
Equivalence
Subset
2008

Continuity of distance related to income comparisons

Komiya, H., 2008 Sep, In : Taiwanese Journal of Mathematics. 12, 6, p. 1591-1595 5 p.

Research output: Contribution to journalArticle

Euclidean
Metric
Welfare
Subset
2007
2 Citations (Scopus)

Remarks on extensions of the himmelberg fixed point theorem

Komiya, H. & Park, S., 2007, In : Fixed Point Theory and Applications. 2007, 16028.

Research output: Contribution to journalArticle

Convex Sets
Fixed point theorem
Multimap (map)
Generalization
Class
1997
5 Citations (Scopus)

Inverse of the Berge maximum theorem

Komiya, H., 1997, In : Economic Theory. 9, 2, p. 371-375 5 p.

Research output: Contribution to journalArticle

Fixed point
1994
15 Citations (Scopus)

A simple proof of K-K-M-S theorem

Komiya, H., 1994 May, In : Economic Theory. 4, 3, p. 463-466 4 p.

Research output: Contribution to journalArticle

Separation theorem
Fixed point theorem
1988
40 Citations (Scopus)

Elementary proof for sion's minimax theorem

Komiya, H., 1988, In : Kodai Mathematical Journal. 11, 1, p. 5-7 3 p.

Research output: Contribution to journalArticle

Minimax Theorem
1986
24 Citations (Scopus)

Coincidence theorem and saddle point theorem

Komiya, H., 1986, In : Proceedings of the American Mathematical Society. 96, 4, p. 599-602 4 p.

Research output: Contribution to journalArticle

Browder's Theorem
Saddle Point Theorem
Coincidence Theorem
1985
1 Citation (Scopus)

On systems of vector-valued linear inequalities

Komiya, H., 1985, In : Journal of Mathematical Analysis and Applications. 110, 2, p. 528-535 8 p.

Research output: Contribution to journalArticle

Linear Inequalities
1983
2 Citations (Scopus)

Necessary and sufficient conditions for multivariate majorization

Komiya, H., 1983, In : Linear Algebra and Its Applications. 55, C, p. 147-154 8 p.

Research output: Contribution to journalArticle

Majorization
Necessary Conditions
General Linear Group
Sufficient Conditions
Convex Hull

Systems of Linear Inequalities on Normed Linear Spaces

Komiya, H. & Takahashi, W., 1983 Jun 1, In : Linear and Multilinear Algebra. 13, 3, p. 267-279 13 p.

Research output: Contribution to journalArticle

Normed Linear Space
Linear Inequalities
1982
8 Citations (Scopus)

A generalization of the Hahn-Banach theorem

Hirano, N., Komiya, H. & Takahashi, W., 1982, In : Journal of Mathematical Analysis and Applications. 88, 2, p. 333-340 8 p.

Research output: Contribution to journalArticle

Hahn-Banach Theorem
Generalization

On infinite doubly substochastic matrices

Komiya, H., 1982 Mar, In : Zeitschrift für Wahrscheinlichkeitstheorie und Verwandte Gebiete. 61, 1, p. 119-128 10 p.

Research output: Contribution to journalArticle

Infinite Matrices
Partial Order
Convex Hull
Non-negative
Converge
50 Citations (Scopus)

Perfect duality for convexlike programs

Hayashi, M. & Komiya, H., 1982 Oct, In : Journal of Optimization Theory and Applications. 38, 2, p. 179-189 11 p.

Research output: Contribution to journalArticle

Duality
Derivatives
Duality Gap
Gateaux Derivative
Convex Mapping
1981

Closedness of cones

Komiya, H., 1981, In : Journal of Mathematical Analysis and Applications. 81, 2, p. 320-326 7 p.

Research output: Contribution to journalArticle

Closed set
Cones
Cone
Theorem