activity
20192025
collaborators

10 papers

math.NT2025

On concatenations of two -generalized Lucas numbers

Alex Behakanira Tumwesigye, Mahadi Ddamulira, Prosper Kaggwa

For an integer \( k \geq 2 \), the sequence of \( k \)-generalized Lucas numbers is defined by the recurrence relation \( L_n^{(k)} = L_{n-1}^{(k)} + \cdots + L_{n-k}^{(k)} \) for…

math.FA2023

Differential and linear integral operators representing polynomial covariance commutation relations in

Domingos Djinja, Sergei Silvestrov, Alex Behakanira Tumwesigye

Representations of polynomial covariance commutation relations by pairs of linear integral and differential operators are constructed in the space of infinitely continuously differ…

math.FA2023

Volterra integral operators and general linear integral operators representing polynomial covariance type commutation relations on spaces

Domingos Djinja, Sergei Silvestrov, Alex Behakanira Tumwesigye

Conditions for linear integral operators on over measure spaces to satisfy the polynomial covariance type commutation relations are described in terms of defining kernels of…

math.FA2023

Representations of polynomial covariance type commutation relations by piecewise function multiplication and composition operators

Domingos Djinja, Sergei Silvestrov, Alex Behakanira Tumwesigye

Representations of polynomial covariance type commutation relations are constructed on Banach spaces and . Representations involve operators with…

math.FA2023

Convergence of commutator of linear integral operators with separable kernel representing monomial covariance type commutation relations in

Domingos Djinja, Sergei Silvestrov, Alex Behakanira Tumwesigye

Representations by linear integral operators on spaces over measure spaces are investigated for the polynomial covariance type commutation relations and more general two-side…

math.FA2023

Multiplication and linear integral operators on spaces representing polynomial covariance type commutation relations

Domingos Djinja, Sergei Silvestrov, Alex Behakanira Tumwesigye

Representations of polynomial covariant type commutation relations by pairs of linear integral operators and multiplication operators on Banach spaces are constructed.

math.FA2023

Representations of polynomial covariance type commutation relations by linear integral operators with separable kernels in

Domingos Djinja, Sergei Silvestrov, Alex Behakanira Tumwesigye

Representations of polynomial covariance type commutation relations by linear integral operators on over measures spaces are investigated. Necessary and sufficient conditions…

math.RA2019

Centralizers in PBW Extensions

Alex Behakanira Tumwesigye, Johan Richter, Sergei Silvestrov

In this article we give a description for the centralizer of the coefficient ring in the skew PBW extension We give an explicit description in the q…

math.RA2019

Commutants in crossed product algebras for piecewise constant functions on the real line

Alex Behakanira Tumwesigye, Johan Richter, Sergei Silvestrov

In this paper we consider commutants in crossed product algebras, for algebras of piece-wise constant functions on the real line acted on by the group of integers . The…

math.RA2019

Ore extensions for function algebras

Johan Richter, Sergei Silvestrov, Alex Tumwesigye

In this article we consider the Ore extension Algebra for the algebra of functions with finite support on a countable set. We derive explicit formulas for twisted der…