Pentti Haukkanen

19 papers Journal 19
YearRankTypeTitle / Venue / Authors
2020 J jnl
Studying the inertias of LCM matrices and revisiting the Bourque-Ligh conjecture.
J. Comb. Theory A
Pentti Haukkanen, Mika Mattila, Jori Mäntysalo
2019 J jnl
Arithmetic Subderivatives: Discontinuity and Continuity.
J. Integer Seq.
Pentti Haukkanen, Jorma K. Merikoski, Timo Tossavainen
2017 J jnl
The Arithmetic Jacobian Matrix and Determinant.
J. Integer Seq.
Pentti Haukkanen, Jorma K. Merikoski, Mika Mattila, Timo Tossavainen
2016 J jnl
On Arithmetic Partial Differential Equations.
J. Integer Seq.
Pentti Haukkanen, Jorma K. Merikoski, Timo Tossavainen
2015 J jnl
Studying the singularity of LCM-type matrices via semilattice structures and their Möbius functions.
J. Comb. Theory A
Pentti Haukkanen, Mika Mattila, Jori Mäntysalo
2014 J jnl
On the positive definiteness and eigenvalues of meet and join matrices.
Discret. Math.
Mika Mattila, Pentti Haukkanen
2013 J jnl
Asymptotics of the number of threshold functions on a two-dimensional rectangular grid.
Discret. Appl. Math.
Pentti Haukkanen, Jorma K. Merikoski
2013 J jnl
Perpendicularity in an Abelian Group.
Int. J. Math. Math. Sci.
Pentti Haukkanen, Mika Mattila, Jorma K. Merikoski, Timo Tossavainen
2012 J jnl
Discrete Ramanujan-Fourier Transform of Even Functions (mod $r$)
CoRR
Pentti Haukkanen
2012 J jnl
Some formulas for numbers of line segments and lines in a rectangular grid.
Ars Comb.
Pentti Haukkanen, Jorma K. Merikoski
2011 J jnl
A generalization of Descartes' rule of signs and fundamental theorem of algebra.
Appl. Math. Comput.
Pentti Haukkanen, Timo Tossavainen
2011 J jnl
Asymptotics for numbers of line segments and lines in a square grid
CoRR
Pentti Haukkanen, Jorma K. Merikoski
2011 J jnl
Asymptotics of the number of threshold functions on a two-dimensional rectangular grid
CoRR
Pentti Haukkanen, Jorma K. Merikoski
2010 J jnl
On The Generalized Lucas Sequences by Hessenberg Matrices.
Ars Comb.
Emrah Kiliç, Dursun Tasci, Pentti Haukkanen
2007 J jnl
Determinant and Inverse of Meet and Join Matrices.
Int. J. Math. Math. Sci.
Ercan Altinisik, Naim Tuglu, Pentti Haukkanen
2007 J jnl
On Direct and Inverse Proportionality.
Am. Math. Mon.
Markku Halmetoja, Pentti Haukkanen, Teuvo Laurinolli, Jorma K. Merikoski, Timo Tossavainen, Ari Virtanen
2005 J jnl
Notes on the divisibility of GCD and LCM Matrices.
Int. J. Math. Math. Sci.
Pentti Haukkanen, Ismo Korkee
2000 J jnl
On a generalized convolution of incidence functions.
Discret. Math.
Pentti Haukkanen
1995 J jnl
An abstract Möbius inversion formula with number-theoretic applications.
Discret. Math.
Pentti Haukkanen