Pentti Haukkanen

Publication Activity (10 Years)

Years Active: 1995-2020
Publications (10 Years): 4

Top Topics

Hartley Transform

Eigendecomposition

Positive Definite

Top Venues

J. Integer Seq.

J. Comb. Theory, Ser. A

Publications

Pentti Haukkanen, Mika Mattila, Jori Mäntysalo
Studying the inertias of LCM matrices and revisiting the Bourque-Ligh conjecture. J. Comb. Theory, Ser. A 171 (2020)
Pentti Haukkanen, Jorma K. Merikoski, Timo Tossavainen
Arithmetic Subderivatives: Discontinuity and Continuity. J. Integer Seq. 22 (7) (2019)
Pentti Haukkanen, Jorma K. Merikoski, Mika Mattila, Timo Tossavainen
The Arithmetic Jacobian Matrix and Determinant. J. Integer Seq. 20 (9) (2017)
Pentti Haukkanen, Jorma K. Merikoski, Timo Tossavainen
On Arithmetic Partial Differential Equations. J. Integer Seq. 19 (8) (2016)
Pentti Haukkanen, Mika Mattila, Jori Mäntysalo
Studying the singularity of LCM-type matrices via semilattice structures and their Möbius functions. J. Comb. Theory, Ser. A 135 (2015)
Mika Mattila, Pentti Haukkanen
On the positive definiteness and eigenvalues of meet and join matrices. Discret. Math. 326 (2014)
Pentti Haukkanen, Jorma K. Merikoski
Asymptotics of the number of threshold functions on a two-dimensional rectangular grid. Discret. Appl. Math. 161 (1-2) (2013)
Pentti Haukkanen, Mika Mattila, Jorma K. Merikoski, Timo Tossavainen
Perpendicularity in an Abelian Group. Int. J. Math. Math. Sci. 2013 (2013)
Pentti Haukkanen, Jorma K. Merikoski
Some formulas for numbers of line segments and lines in a rectangular grid. Ars Comb. 104 (2012)
Pentti Haukkanen
Discrete Ramanujan-Fourier Transform of Even Functions (mod $r$) CoRR (2012)
Pentti Haukkanen, Jorma K. Merikoski
Asymptotics of the number of threshold functions on a two-dimensional rectangular grid CoRR (2011)
Pentti Haukkanen, Timo Tossavainen
A generalization of Descartes' rule of signs and fundamental theorem of algebra. Appl. Math. Comput. 218 (4) (2011)
Pentti Haukkanen, Jorma K. Merikoski
Asymptotics for numbers of line segments and lines in a square grid CoRR (2011)
Emrah Kiliç, Dursun Tasci, Pentti Haukkanen
On The Generalized Lucas Sequences by Hessenberg Matrices. Ars Comb. 95 (2010)
Markku Halmetoja, Pentti Haukkanen, Teuvo Laurinolli, Jorma K. Merikoski, Timo Tossavainen, Ari Virtanen
On Direct and Inverse Proportionality. Am. Math. Mon. 114 (10) (2007)
Ercan Altinisik, Naim Tuglu, Pentti Haukkanen
Determinant and Inverse of Meet and Join Matrices. Int. J. Math. Math. Sci. 2007 (2007)
Pentti Haukkanen, Ismo Korkee
Notes on the divisibility of GCD and LCM Matrices. Int. J. Math. Math. Sci. 2005 (6) (2005)
Pentti Haukkanen
On a generalized convolution of incidence functions. Discret. Math. 215 (2000)
Pentti Haukkanen
An abstract Möbius inversion formula with number-theoretic applications. Discret. Math. 142 (1-3) (1995)