Research output per year
Research output per year
Personal profile
Research interests
Willem Haemers is a mathematician, specialised in discrete mathematics, in particular in algebraic graph theory and combinatorial designs.
He is full professor in mathematics (emeritus since December 2013).
Career
2014 - today: Emeritus
2009 - 2013: Full professor in discrete Mathematics, Tilburg University
1990 - 2009: Associate professor in mathematics, Tilburg University
1986 - 1989: Assistent professor in mathematics, Tilburg University
1981-1986: Researcher, Department of Applied Mathematics, Dr. Neher Laboratories (PTT Research), Leidschendam
1975-1980: Research assistent, Department of Mathematics, Technical University Eindhoven
PhD supervision
M.J.P. Peeters, 1991-1995.
E.R. van Dam, 1992-1996.
A. Abiad, 2011-2015.
Fingerprint
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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The signed graphs with two eigenvalues unequal to ±1
Haemers, W. H. & Topcu, H., 15 Feb 2024, In: Applied Mathematics and Computation. 463, 128348.Research output: Contribution to journal › Article › Scientific › peer-review
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Cospectrality results for signed graphs with two eigenvalues unequal to $\pm 1$
Haemers, W. H. & Topcu, H., 29 Nov 2023.Research output: Working paper › Scientific
File1 Downloads (Pure) -
Cospectral mates for generalized Johnson and Grassmann graphs
Abiad, A., D'haeseleer, J., Haemers, W. H. & Simoens, R., 1 Dec 2023, In: Linear Algebra and its Applications. 678, p. 1-15 15 p.Research output: Contribution to journal › Article › Scientific › peer-review
Open Access -
Cospectral Mates for Generalized Johnson and Grassmann Graphs
Abiad, A., D'haeseleer, J., Haemers, W. H. & Simoens, R., 26 May 2023.Research output: Working paper › Other research output
File20 Downloads (Pure) -
On signed graphs with at most two eigenvalues unequal to ±1
Haemers, W. H. & Topcu, H., 1 Aug 2023, In: Linear Algebra and its Applications. 670, p. 68-77 10 p.Research output: Contribution to journal › Article › Scientific › peer-review
Open Access2 Citations (Scopus)
Projects
- 2 Finished
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Spectral characterizations of graphs
Abiad Monge, A. & Haemers, W. H.
1/12/11 → 1/12/14
Project: Research project
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Spectral characterizations of graphs
Haemers, W. H. & Camara Vallejo, M.
1/12/11 → 1/12/14
Project: Research project