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- Paavo Kukkurainen, Pasi Luukka
- Expert Syst. Appl.
- 2008

- Paavo Kukkurainen, Pasi Luukka
- KES
- 2006

- Paavo Kukkurainen
- JACIII
- 2005

- Paavo Kukkurainen
- IFSA/EUSFLAT Conf.
- 2009

There exists a generalization of the Teichmüller space of a covering group. In this paper we combine this generalized Teichmüller space T (G) and any fuzzy subgroup A : G−→ F where G is a subgroup of the group consisting of such orientation preserving and orientation reversing Möbius transformations which act in the upper half-plane of the extended complex… (More)

- Paavo Kukkurainen
- IFSA
- 2007

- Paavo Kukkurainen
- EUSFLAT Conf.
- 2003

Let F be a family of subgroups of a group G = (G, ·) such that ⋃F = G. Then P = (F,≤) is a partially ordered set (with an order dual to ⊆) and let a mapping A: G −→ P be a P-(fuzzy) subgroup of a group G defined by (6). The theory of fuzzy-subgroups is known [2] but in this paper we will apply it to the theory of Riemann surfaces. Mbius transformations form… (More)

It is known that any MV -algebra is a topological MV -algebra. For a locally finite MV -algebra A with some algebraic and topological conditions the product A× A becomes a compact Riemann surface (modulo conformal equivalence). Topologically, it is a torus.

- Paavo Kukkurainen
- IFSA
- 2003

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