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Umeå universitet
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Huvudmenyn dold.
Personalbild Lars-Daniel Öhman

Lars-Daniel Öhman

Jag är lektor och docent i diskret matematik och studierektor vid institutionen för matematik och matematisk statistik.

Vetenskaplig meritering: Docent
Pedagogisk meritering: Excellent lärare
0000-0002-7040-4006

Kontakt

E-post
lars-daniel.ohman@umu.se
Telefon
090-786 59 36

Verksam vid

Anknytning
Universitetslektor vid Institutionen för matematik och matematisk statistik Roll: Studierektor, Studievägledare
Plats
MIT-huset, plan 3, Matematik och matematisk statistik, MIT.E.350 Umeå universitet, 901 87 Umeå
Anknytning
Anknuten som forskare till Umeå forskningscentrum för matematikdidaktik (UFM)
Enumeration of sets of mutually orthogonal latin rectangles
The Electronic Journal of Combinatorics, Australian National University Press 2024, Vol. 31, (1)
Jäger, Gerold; Öhman, Lars-Daniel; Markström, Klas; et al.
Applying the pebble game algorithm to rod configurations
EuroCG 2023: Book of abstracts
Lundqvist, Signe; Stokes, Klara; Öhman, Lars-Daniel
Exploring the rigidity of planar configurations of points and rods
Discrete Applied Mathematics, Elsevier 2023, Vol. 336 : 68-82
Lundqvist, Signe; Stokes, Klara; Öhman, Lars-Daniel
Small youden rectangles, near youden rectangles, and their connections to other row-column designs
Discrete Mathematics & Theoretical Computer Science, Centre pour la Communication Scientifique Directe (CCSD) 2023, Vol. 25, (1)
Jäger, Gerold; Markström, Klas; Shcherbak, Denys; et al.
When is a planar rod configuration infinitesimally rigid?
Discrete & Computational Geometry
Lundqvist, Signe; Stokes, Klara; Öhman, Lars-Daniel
Are Induction and Well-Ordering Equivalent?
The Mathematical intelligencer, Springer 2019, Vol. 41, (3) : 33-40
Öhman, Lars-Daniel
Triples of Orthogonal Latin and Youden Rectangles of small order
Journal of combinatorial designs (Print), Vol. 27, (4) : 229-250
Jäger, Gerold; Markström, Klas; Öhman, Lars-Daniel; et al.
Mathematical fit: a case study
Philosophia mathematica, Cary: Oxford University Press 2018, Vol. 26, (2) : 184-210
Raman-Sundström, Manya; Öhman, Lars-Daniel
A Beautiful Proof by Induction
Journal of Humanistic Mathematics, Vol. 6, (1) : 73-85
Öhman, Lars-Daniel
The Nature and Experience of Mathematical Beauty
Journal of Humanistic Mathematics, Claremont, CA, USA: 2016, Vol. 6, (1) : 3-7
Raman-Sundström, Manya; Öhman, Lars-Daniel; Sinclair, Nathalie
Mathematical fit: A first approximation
Proceedings of the ninth conference of the Euorpean Society for research in Mathermatics education (CERME9), Prague: Charles University 2015 : 185-191
Raman Sundström, Manya; Öhman, Lars-Daniel
The Zero Forcing Number of Bijection Graphs
Proceedings of 26th International Workshop om Combinatorial Algorithms (IWOCA 2015), Berlin-Heidelberg: Springer 2015 : 334-345
Shcherbak, Denys; Jäger, Gerold; Öhman, Lars-Daniel
Triple arrays and Youden squares
Designs, Codes and Cryptography, Springer 2015, Vol. 75, (3) : 429-451
Nilson, Tomas; Öhman, Lars-Daniel
Extending partial latin cubes
Ars combinatoria, Vol. 113 : 405-414
Denley, Tristan; Öhman, Lars-Daniel
Avoiding Arrays of Odd Order by Latin Squares
Combinatorics, probability & computing, Vol. 22, (2) : 184-212
Andren, Lina J.; Casselgren, Carl Johan; Öhman, Lars-Daniel
Beauty as fit: A metaphor in mathematics?
Research in Mathematics Education, Vol. 15, (2) : 199-200
Raman Sundström, Manya; Öhman, Lars-Daniel
Simulation relations for pattern matching in directed graphs
Theoretical Computer Science, Elsevier 2013, Vol. 485 : 1-15
Björklund, Johanna; Öhman, Lars-Daniel
Introduktion till högre studier i matematik
Liber 2012
Johansson, Robert; Öhman, Lars-Daniel
On the intricacy of avoiding multiple-entry arrays
Discrete Mathematics, Elsevier 2012, Vol. 312, (20) : 3030-3036
Öhman, Lars-Daniel
Latin Squares with Prescriptions and Restrictions
The Australasian Journal of Combinatorics, Queensland, Australia: Dept. of Mathematics, University of Queensland 2011, Vol. 51 : 77-87
Öhman, Lars-Daniel
Partial latin squares are avoidable
Annals of Combinatorics, Vol. 15, (3) : 485-497
Öhman, Lars-Daniel
Two beautiful proofs of Pick's theorem
Proceedings of Seventh Congress of European Research in Mathematics Education, University of Rzeszow Publishing House 2011 : 224-232
Raman Sundström, Manya; Öhman, Lars-Daniel
Unavoidable arrays
Contributions to Discrete Mathematics, Vol. 5, (1) : 90-106
Markström, Klas; Öhman, Lars-Daniel
A Note on Completing Partial Latin Squares
The Australasian Journal of Combinatorics, Vol. 45 : 117-124
Öhman, Lars-Daniel
Latin squares with forbidden entries
The Electronic Journal of Combinatorics, Vol. 13, (1) : R47-
Cutler, Jonathan; Öhman, Lars-Daniel
Visa publikationer i DiVA

Forskargrupper

Medlemmar
Diskret matematik

Jag har undervisat och undervisar på flera olika kurser, främst inom ingenjörsutbildningarna och ämneslärarutbildningen. På senare tid har jag främst undervisat på kurserna Linjärprogrammering, Matematikens historia, Algebraiska strukturer och Problemlösning och matematiska resonemang.

Jag har tillsammans med Robert Johansson skrivit en lärobok, Introduktion till högre studier i matematik.