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

Cohomological Dimension Mathematics
Compactum Mathematics
Metric space Mathematics
Dimension Theory Mathematics
Locally Connected Mathematics
Theorem Mathematics
Curve Mathematics
If and only if Mathematics

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Research Output 1984 2019

  • 40 Citations
  • 4 h-Index
  • 17 Article

On homologically locally connected spaces

Koyama, A. & Valov, V., 2019 Jun 15, In : Topology and its Applications. 260, p. 57-69 13 p.

Research output: Contribution to journalArticle

Locally Connected
Metric space

Surfaces in products of two curves

Koyama, A., Krasinkiewicz, J. & Spiez, S., 2014 Jan 30, (Accepted/In press) In : Topology and its Applications.

Research output: Contribution to journalArticle

Curve
Closed
Embeddability
Retract
Torus

Embeddings into products and symmetric products - An algebraic approach

Koyama, A., Krasinkiewicz, J. & Spiez, S. L., 2012, In : Houston Journal of Mathematics. 38, 2, p. 611-641 31 p.

Research output: Contribution to journalArticle

Symmetric Product
Algebraic Approach
Curve
Cup Product
Compactum
6 Citations (Scopus)

Generalized manifolds in products of curves

Koyama, A., Krasinkiewicz, J. & Spiez, S., 2011 Mar, In : Transactions of the American Mathematical Society. 363, 3, p. 1509-1532 24 p.

Research output: Contribution to journalArticle

Curve
Polyhedron
Torus
Graph in graph theory
Embeddability
2 Citations (Scopus)

Continuous linear extension of functions

Koyama, A., Stasyuk, I., Tymchatyn, E. D. & Zagorodnyuk, A., 2010 Nov, In : Proceedings of the American Mathematical Society. 138, 11, p. 4149-4155 7 p.

Research output: Contribution to journalArticle

Continuous Extension
Linear Extension
Configuration Space
Regular Operator
Extension Operator