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Author

Takaaki Fujita

2 papers indexed here

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Open access Sep 2026

HyperLattice-valued and SuperHyperLattice-valued Uncertain Sets with Decision Applications

Fuzzy set theory enriches classical sets by assigning to each element a graded membership in [0,1], thereby capturing partial inclusion and uncertainty. The notion of an Uncertain Set further abstracts this idea by allowing membership to take values in a general degree-domain, providing a unified language that subsumes...

Takaaki Fujita, Ajoy Kanti Das, S. Mondal et al. · 0 citations
Open access Sep 2026

Anti-Fuzzy Hypergraphs and Superhypergraphs: Max-Oriented Uncertainty Models for Higher-Order and Hierarchical Networks

This work introduces anti-fuzzy hypergraphs and anti-fuzzy superhypergraphs, formulate their mathematical definitions, and establish basic well-definedness and canonical representation results that provide a unified foundation for max-based uncertainty modeling in higher-order and hierarchical network structures.

Takaaki Fujita, Ajoy Kanti Das, Suman Das et al. · 1 citation

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