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Author

A. Majumdar

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Preprint Sep 2026

A Measure-Theoretic Derivation of Zadeh Fuzzy Logic

Zadeh fuzzy logic is normally introduced by assigning scalar membership degrees and postulating standard complement, minimum conjunction, and maximum disjunction. We derive this calculus from a strictly positive atomless normalized Boolean measure algebra. Equality of measure sends Boolean complement uniquely to $1-x$,...

A. Majumdar · 0 citations

Universal NP-Hardness of Clustering under General Utilities

The results provide a unified explanation for characteristic failure modes, such as local optima in alternating methods and greedy merge-order traps in hierarchical clustering, and show that clustering limitations reflect interacting computational and epistemic constraints, motivating a shift toward stability-aware obj...

A. Majumdar · 0 citations
#artificial intelligence Open access Apr 2026

Clustering as approximation by constrained projectors: Theory and guarantees

This paper develops a unified theoretical framework showing that a broad family of clustering methods, including k-means, fuzzy c-means, kernel k-means, kernel FCM, and spectral clustering, can all be expressed as structured low-rank projectors acting on a signal-derived matrix. By formulating each method as an instanc...

A. Majumdar · 0 citations

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