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1

Switched symplectic graphs and their 2-ranks

Abiad, Aida, Haemers, Willem H.

Journal:

Designs, Codes and Cryptography

Year:

2016

Language:

english

File:

PDF, 380 KB

english, 2016

2

A lower bound for the Laplacian eigenvalues of a graph—Proof of a conjecture by Guo

Andries E. Brouwer, Willem H. Haemers

Journal:

Linear Algebra and its Applications

Year:

2008

Language:

english

File:

PDF, 97 KB

english, 2008

3

The graphs cospectral with the pineapple graph

Topcu, Hatice, Sorgun, Sezer, Haemers, Willem H.

Journal:

Discrete Applied Mathematics

Year:

2018

Language:

english

File:

PDF, 282 KB

english, 2018

4

Interlacing eigenvalues and graphs

Willem H. Haemers

Journal:

Linear Algebra and its Applications

Year:

1995

Language:

english

File:

PDF, 1.40 MB

english, 1995

5

Which graphs are determined by their spectrum?

Edwin R. van Dam, Willem H. Haemers

Journal:

Linear Algebra and its Applications

Year:

2003

Language:

english

File:

PDF, 242 KB

english, 2003

6

Eigenvalues and the diameter of graphs

Van Dam, Edwin R., Haemers, Willem H.

Journal:

Linear and Multilinear Algebra

Year:

1995

Language:

english

File:

PDF, 936 KB

english, 1995

7

Enumeration of cospectral graphs

Willem H. Haemers, Edward Spence

Journal:

European Journal of Combinatorics

Year:

2004

Language:

english

File:

PDF, 219 KB

english, 2004

8

Diagnosis and treatment of atrioventricular nodal reentrant tachycardia: a case report illustrating clinical management and ablation strategy

Ector, Joris, Haemers, Peter, Garweg, Christophe, Willems, Rik, De Potter, Tom, Sommer, Philipp, Iliodromitis, Konstantinos, Sayers, Max, Green, Peregrine

Journal:

European Heart Journal - Case Reports

Year:

2020

File:

PDF, 927 KB

2020

9

Developments on spectral characterizations of graphs

Edwin R. van Dam, Willem H. Haemers

Journal:

Discrete Mathematics

Year:

2009

Language:

english

File:

PDF, 781 KB

english, 2009

10

Regularity and the generalized adjacency spectra of graphs

Andrey A. Chesnokov, Willem H. Haemers

Journal:

Linear Algebra and its Applications

Year:

2006

Language:

english

File:

PDF, 86 KB

english, 2006

11

The graphs with all but two eigenvalues equal to $$\pm 1$$ ± 1

Cioabă, Sebastian M., Haemers, Willem H., Vermette, Jason R., Wong, Wiseley

Journal:

Journal of Algebraic Combinatorics

Year:

2015

Language:

english

File:

PDF, 221 KB

english, 2015

12

A design and a code invariant under the simple group Co3

Willem H Haemers, Christopher Parker, Vera Pless, Vladimir D Tonchev

Journal:

Journal of Combinatorial Theory, Series A

Year:

1993

Language:

english

File:

PDF, 384 KB

english, 1993

13

Distance-regularity and the spectrum of graphs

Willem H. Haemers

Journal:

Linear Algebra and its Applications

Year:

1996

Language:

english

File:

PDF, 576 KB

english, 1996

14

Spreads in strongly regular graphs

Willem H. Haemers, Vladimir D. Tonchev

Journal:

Designs, Codes and Cryptography

Year:

1996

Language:

english

File:

PDF, 737 KB

english, 1996

15

The graphs with all but two eigenvalues equal to\(-2\)or 0

Cioabă, Sebastian M., Haemers, Willem H., Vermette, Jason R.

Journal:

Designs, Codes and Cryptography

Year:

2017

Language:

english

File:

PDF, 425 KB

english, 2017

16

Developments on Spectral Characterizations of Graphs

van Dam, Edwin, Haemers, Willem H.

Journal:

SSRN Electronic Journal

Year:

2007

Language:

english

File:

PDF, 321 KB

english, 2007

17

Johan Jacob Seidel 1919–2001

Eiichi Bannai, Willem Haemers, Patrick Solé

Journal:

European Journal of Combinatorics

Year:

2004

Language:

english

File:

PDF, 126 KB

english, 2004

18

Bacteraemia after leadless pacemaker implantation

Garweg, Christophe, Vandenberk, Bert, Jentjens, Sander, Foulon, Stefaan, Hermans, Patrick, Poels, Patricia, Haemers, Peter, Ector, Joris, Willems, Rik

Journal:

Journal of Cardiovascular Electrophysiology

Year:

2020

File:

PDF, 297 KB

2020

19

Bicliques and Eigenvalues

Willem H. Haemers

Journal:

Journal of Combinatorial Theory, Series B

Year:

2001

Language:

english

File:

PDF, 147 KB

english, 2001

20

5-chromatic strongly regular graphs

Nick C. Fiala, Willem H. Haemers

Journal:

Discrete Mathematics

Year:

2006

Language:

english

File:

PDF, 293 KB

english, 2006

21

Strongly Regular Graphs with Maximal Energy

Haemers, Willem H.

Journal:

SSRN Electronic Journal

Year:

2007

Language:

english

File:

PDF, 509 KB

english, 2007

22

Graph switching, 2-ranks, and graphical Hadamard matrices

Abiad, Aida, Butler, Steve, Haemers, Willem H.

Journal:

Discrete Mathematics

Year:

2018

Language:

english

File:

PDF, 298 KB

english, 2018

23

Universal spectra of the disjoint union of regular graphs

Haemers, Willem H., Oboudi, Mohammad Reza

Journal:

Linear Algebra and its Applications

Year:

2020

File:

PDF, 477 KB

2020

24

Spectral characterizations of lollipop graphs

Willem H. Haemers, Xiaogang Liu, Yuanping Zhang

Journal:

Linear Algebra and its Applications

Year:

2008

Language:

english

File:

PDF, 134 KB

english, 2008

25

Seidel Switching and Graph Energy

Haemers, Willem H.

Journal:

SSRN Electronic Journal

Year:

2012

File:

PDF, 231 KB

2012

26

On NP-hard graph properties characterized by the spectrum

Etesami, Omid, Haemers, Willem H.

Journal:

Discrete Applied Mathematics

Year:

2020

File:

PDF, 550 KB

2020

27

Preface

Aart Blokhuis, Willem Haemers

Journal:

Designs, Codes and Cryptography

Year:

2005

Language:

english

File:

PDF, 18 KB

english, 2005

28

[Universitext] Spectra of Graphs || Distance-Regular Graphs

Brouwer, Andries E., Haemers, Willem H.

Year:

2012

Language:

english

File:

PDF, 211 KB

english, 2012

29

Strongly regular graphs with parameters exist for all

Willem H. Haemers, Qing Xiang

Journal:

European Journal of Combinatorics

Year:

2010

Language:

english

File:

PDF, 263 KB

english, 2010

30

More About Divisible Design Graphs

Haemers, Willem H., Crnkovic, Dean

Journal:

SSRN Electronic Journal

Year:

2011

Language:

english

File:

PDF, 282 KB

english, 2011

31

Some remarks on subdesigns of symmetric designs

Willem Haemers, Mohan Shrikhande

Journal:

Journal of Statistical Planning and Inference

Year:

1979

Language:

english

File:

PDF, 627 KB

english, 1979

32

Conditions for Singular Incidence Matrices

Willem H. Haemers

Journal:

Journal of Algebraic Combinatorics

Year:

2005

Language:

english

File:

PDF, 137 KB

english, 2005

33

Arrhythmogenicity of fibro-fatty infiltrations

De Coster, Tim, Claus, Piet, Kazbanov, Ivan V., Haemers, Peter, Willems, Rik, Sipido, Karin R., Panfilov, Alexander V.

Journal:

Scientific Reports

Year:

2018

Language:

english

File:

PDF, 1.96 MB

english, 2018

34

Preface: Geometric and Algebraic Combinatorics

Edwin R. van Dam, Willem H. Haemers

Journal:

European Journal of Combinatorics

Year:

2010

Language:

english

File:

PDF, 159 KB

english, 2010

35

The graph with spectrum 141240(−4)10

Aart Blokhuis, Andries E. Brouwer, Willem H. Haemers

Journal:

Designs, Codes and Cryptography

Year:

2012

Language:

english

File:

PDF, 114 KB

english, 2012

36

Cospectral regular graphs with and without a perfect matching

Blázsik, Zoltán L., Cummings, Jay, Haemers, Willem H.

Journal:

Discrete Mathematics

Year:

2015

Language:

english

File:

PDF, 389 KB

english, 2015

37

On the Sum of Laplacian Eigenvalues of Graphs

Haemers, Willem H., Mohammadian, Ali, Tayfeh-Rezaie, Behruz

Journal:

SSRN Electronic Journal

Year:

2008

Language:

english

File:

PDF, 587 KB

english, 2008

38

Matrix constructions of divisible designs

K.T. Arasu, Willem H. Haemers, Dieter Jungnickel, Alexander Pott

Journal:

Linear Algebra and its Applications

Year:

1991

Language:

english

File:

PDF, 545 KB

english, 1991

39

Graphs with constant μ and μ

Edwin R. van Dam, Willem H. Haemers

Journal:

Discrete Mathematics

Year:

1998

Language:

english

File:

PDF, 803 KB

english, 1998

40

Notes on simplicial rook graphs

Brouwer, Andries E., Cioabă, Sebastian M., Haemers, Willem H., Vermette, Jason R.

Journal:

Journal of Algebraic Combinatorics

Year:

2016

Language:

english

File:

PDF, 456 KB

english, 2016

41

Divisible designs withr − λ1 = 1

Willem H. Haemers

Journal:

Journal of Combinatorial Theory, Series A

Year:

1991

Language:

english

File:

PDF, 160 KB

english, 1991

42

Strongly regular graphs with maximal energy

Willem H. Haemers

Journal:

Linear Algebra and its Applications

Year:

2008

Language:

english

File:

PDF, 90 KB

english, 2008

43

Preface: Geometric and algebraic combinatorics

Edwin R. van Dam, Willem H. Haemers

Journal:

Designs, Codes and Cryptography

Year:

2012

Language:

english

File:

PDF, 87 KB

english, 2012

44

Regular graphs with maximal energy per vertex

van Dam, Edwin R., Haemers, Willem H., Koolen, Jack H.

Journal:

Journal of Combinatorial Theory, Series B

Year:

2014

Language:

english

File:

PDF, 455 KB

english, 2014

45

Graphs Cospectral with Kneser Graphs

Haemers, Willem H., Ramezani, Farzaneh

Journal:

SSRN Electronic Journal

Year:

2009

Language:

english

File:

PDF, 197 KB

english, 2009

46

Leadless Pacing with Micra TPS : a comparison between Right Ventricular Outflow tract, Mid‐Septal and Apical implant Sites

Garweg, Christophe, Vandenberk, Bert, Foulon, Stefaan, Haemers, Peter, Ector, Joris, Willems, Rik

Journal:

Journal of Cardiovascular Electrophysiology

Year:

2019

Language:

english

File:

PDF, 1.41 MB

english, 2019

47

Matchings in regular graphs from eigenvalues

Sebastian M. Cioabă, David A. Gregory, Willem H. Haemers

Journal:

Journal of Combinatorial Theory, Series B

Year:

2009

Language:

english

File:

PDF, 195 KB

english, 2009

48

A generalization of the Higman-Sims technique

Journal:

Indagationes Mathematicae (Proceedings)

Year:

1978

Language:

english

File:

PDF, 111 KB

english, 1978

49

Geometric and algebraic combinatorics

Edwin R. van Dam, Willem H. Haemers

Journal:

European Journal of Combinatorics

Year:

2007

Language:

english

File:

PDF, 70 KB

english, 2007

50

Minimum resolvable coverings with small parallel classes

Willem H. Haemers

Journal:

Discrete Mathematics

Year:

1999

Language:

english

File:

PDF, 191 KB

english, 1999

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