Pentti Haukkanen

University of Tampere

Finland

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Articles (16)

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2025

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2024

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2024

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2021

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2020

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2020

Collaborators (2)

Timo Tossavainen

Lulea University of Technology

SWEDEN

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Ragnhild Johanne Rensaa

Professor

University of Tromsø

NORWAY

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Pentti Haukkanen

Research Interests

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Articles (16)

Identical equations for multiplicative functions

We Can Differentiate Numbers, Too

Quotients of sequences under the binomial convolution

The congruence $x^n\equiv -a^n\pmod{m}$: Solvability and related OEIS sequences

On some classes of multiplicative functions

Some further applications of a lattice theoretic method in the study of singular LCM matrices

Some properties of totients

Quotients of arithmetical functions under the Dirichlet convolution

Exploring Perpendicularity and Parallelism Through Play

Arithmetical functions associated with conjugate pairs of sets under regular convolutions

Bi-unitary multiperfect numbers, IV(c)

Corrigendum to "On the dimension of an Abelian group" [Notes on Number Theory and Discrete Mathematics, 2022, Volume 27, Number 4, Pages 267-275]

On the dimension of an Abelian group

First-year engineering students’ mathematics task performance and its relation to their motivational values and views about mathematics

On the Kesava Menon norm of semimultiplicative functions

Studying the inertias of LCM matrices and revisiting the Bourque-Ligh conjecture

Collaborators (2)

Timo Tossavainen

Ragnhild Johanne Rensaa

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