3 papers
math.NA2025
Some Remarks on Commuting Probability
Alexander Kushkuley
We introduce a weighted sum of irreducible character ratios as an estimator for commutator probabilities. The estimator yields Frobenius formula when applied to a regular represent…
math.NA2023
Some Remarks on Random Vectors and -Invariants
Alexander Kushkuley
Computations involving invariant random vectors are directly related to the theory of invariants (cf. e.g \cite{Weing_1}). Some simple observations along these lines are presented…
math.NA2023
Improving Recommendation Relevance by simulating User Interest
Alexander Kushkuley, Joshua Correa
Most if not all on-line item-to-item recommendation systems rely on estimation of a distance like measure (rank) of similarity between items. For on-line recommendation systems, ti…