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ORCIDPentti Haukkanen
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2020 – today
- 2020
[j16]Pentti Haukkanen
, Mika Mattila, Jori Mäntysalo:
Studying the inertias of LCM matrices and revisiting the Bourque-Ligh conjecture. J. Comb. Theory A 171 (2020)
2010 – 2019
- 2019
- [j15]Pentti Haukkanen, Jorma K. Merikoski, Timo Tossavainen:
Arithmetic Subderivatives: Discontinuity and Continuity. J. Integer Seq. 22(7): 19.7.4 (2019) - 2017
- [j14]Pentti Haukkanen, Jorma K. Merikoski, Mika Mattila, Timo Tossavainen:
The Arithmetic Jacobian Matrix and Determinant. J. Integer Seq. 20(9): 17.9.2 (2017) - 2016
- [j13]Pentti Haukkanen, Jorma K. Merikoski, Timo Tossavainen:
On Arithmetic Partial Differential Equations. J. Integer Seq. 19(8): 16.8.6 (2016) - 2015
- [j12]Pentti Haukkanen, Mika Mattila, Jori Mäntysalo:
Studying the singularity of LCM-type matrices via semilattice structures and their Möbius functions. J. Comb. Theory A 135: 181-200 (2015) - 2014
- [j11]Mika Mattila, Pentti Haukkanen:
On the positive definiteness and eigenvalues of meet and join matrices. Discret. Math. 326: 9-19 (2014) - 2013
- [j10]Pentti Haukkanen, Jorma K. Merikoski:
Asymptotics of the number of threshold functions on a two-dimensional rectangular grid. Discret. Appl. Math. 161(1-2): 13-18 (2013) - [j9]Pentti Haukkanen, Mika Mattila, Jorma K. Merikoski, Timo Tossavainen:
Perpendicularity in an Abelian Group. Int. J. Math. Math. Sci. 2013: 983607:1-983607:8 (2013) - 2012
- [j8]Pentti Haukkanen, Jorma K. Merikoski:
Some formulas for numbers of line segments and lines in a rectangular grid. Ars Comb. 104: 353-361 (2012) - [i3]Pentti Haukkanen:
Discrete Ramanujan-Fourier Transform of Even Functions (mod $r$). CoRR abs/1210.0295 (2012) - 2011
- [j7]Pentti Haukkanen, Timo Tossavainen:
A generalization of Descartes' rule of signs and fundamental theorem of algebra. Appl. Math. Comput. 218(4): 1203-1207 (2011) - [i2]Pentti Haukkanen, Jorma K. Merikoski:
Asymptotics of the number of threshold functions on a two-dimensional rectangular grid. CoRR abs/1110.3566 (2011) - [i1]Pentti Haukkanen, Jorma K. Merikoski:
Asymptotics for numbers of line segments and lines in a square grid. CoRR abs/1110.6864 (2011) - 2010
- [j6]Emrah Kiliç, Dursun Tasci, Pentti Haukkanen:
On The Generalized Lucas Sequences by Hessenberg Matrices. Ars Comb. 95 (2010)
2000 – 2009
- 2007
- [j5]Ercan Altinisik, Naim Tuglu, Pentti Haukkanen:
Determinant and Inverse of Meet and Join Matrices. Int. J. Math. Math. Sci. 2007: 37580:1-37580:11 (2007) - [j4]Markku Halmetoja, Pentti Haukkanen, Teuvo Laurinolli, Jorma K. Merikoski, Timo Tossavainen, Ari Virtanen:
On Direct and Inverse Proportionality. Am. Math. Mon. 114(10): 871-881 (2007) - 2005
- [j3]Pentti Haukkanen, Ismo Korkee:
Notes on the divisibility of GCD and LCM Matrices. Int. J. Math. Math. Sci. 2005(6): 925-935 (2005) - 2000
- [j2]Pentti Haukkanen:
On a generalized convolution of incidence functions. Discret. Math. 215: 103-113 (2000)
1990 – 1999
- 1995
- [j1]Pentti Haukkanen:
An abstract Möbius inversion formula with number-theoretic applications. Discret. Math. 142(1-3): 87-96 (1995)
Coauthor Index
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