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1

A lower bound for the spectral radius of graphs with fixed diameter

Sebastian M. Cioabă, Edwin R. van Dam, Jack H. Koolen, Jae-Ho Lee

Journal:

European Journal of Combinatorics

Year:

2010

Language:

english

File:

PDF, 256 KB

english, 2010

2

A Graph Partition Problem

Sebastian M. Cioabă,, Peter J. Cameron,

Journal:

American Mathematical Monthly

Year:

2015

Language:

english

File:

PDF, 366 KB

english, 2015

3

On decompositions of complete hypergraphs

Sebastian M. Cioabă, André Kündgen, Jacques Verstraëte

Journal:

Journal of Combinatorial Theory, Series A

Year:

2009

Language:

english

File:

PDF, 110 KB

english, 2009

4

Expander graphs and gaps between primes

Cioabă, Sebastian M, Ram Murty, M

Journal:

Forum Mathematicum

Year:

2008

Language:

english

File:

PDF, 130 KB

english, 2008

5

Sums of powers of the degrees of a graph

Sebastian M. Cioabă

Journal:

Discrete Mathematics

Year:

2006

Language:

english

File:

PDF, 169 KB

english, 2006

6

Large matchings from eigenvalues

Sebastian M. Cioabă, David A. Gregory

Journal:

Linear Algebra and its Applications

Year:

2007

Language:

english

File:

PDF, 203 KB

english, 2007

7

Asymptotic results on the spectral radius and the diameter of graphs

Sebastian M. Cioabă, Edwin R. van Dam, Jack H. Koolen, Jae-Ho Lee

Journal:

Linear Algebra and its Applications

Year:

2010

Language:

english

File:

PDF, 247 KB

english, 2010

8

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

9

A Sufficient Condition for Commutativity: 11066

Sebastian Cioabă, Tim LeSaulnier and Dan Saracino

Journal:

American Mathematical Monthly

Year:

2005

Language:

english

File:

PDF, 292 KB

english, 2005

10

11066

Sebastian Cioabă

Journal:

American Mathematical Monthly

Year:

2004

Language:

english

File:

PDF, 102 KB

english, 2004

11

Closed walks and eigenvalues of Abelian Cayley graphs

Sebastian M. Cioabă

Journal:

Comptes Rendus Mathematique

Year:

2006

Language:

english

File:

PDF, 93 KB

english, 2006

12

The minimum degree distance of graphs of given order and size

Orest Bucicovschi, Sebastian M. Cioabă

Journal:

Discrete Applied Mathematics

Year:

2008

Language:

english

File:

PDF, 306 KB

english, 2008

13

On the extreme eigenvalues of regular graphs

Sebastian M. Cioabă

Journal:

Journal of Combinatorial Theory, Series B

Year:

2006

Language:

english

File:

PDF, 129 KB

english, 2006

14

Extreme eigenvalues of nonregular graphs

Sebastian M. Cioabă, David A. Gregory, Vladimir Nikiforov

Journal:

Journal of Combinatorial Theory, Series B

Year:

2007

Language:

english

File:

PDF, 90 KB

english, 2007

15

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

16

Eigenvalues of graphs and a simple proof of a theorem of Greenberg

Sebastian M. Cioabă

Journal:

Linear Algebra and its Applications

Year:

2006

Language:

english

File:

PDF, 112 KB

english, 2006

17

Eigenvalues and edge-connectivity of regular graphs

Sebastian M. Cioabă

Journal:

Linear Algebra and its Applications

Year:

2010

Language:

english

File:

PDF, 203 KB

english, 2010

18

Covering Complete Hypergraphs with Cuts of Minimum Total Size

Sebastian M. Cioabă, André Kündgen

Journal:

Graphs and Combinatorics

Year:

2012

Language:

english

File:

PDF, 214 KB

english, 2012

19

On a conjecture of Brouwer involving the connectivity of strongly regular graphs

Sebastian M. Cioabă, Kijung Kim, Jack H. Koolen

Journal:

Journal of Combinatorial Theory, Series A

Year:

2012

Language:

english

File:

PDF, 285 KB

english, 2012

20

Edge-disjoint spanning trees and eigenvalues of regular graphs

Sebastian M. Cioabă, Wiseley Wong

Journal:

Linear Algebra and its Applications

Year:

2012

Language:

english

File:

PDF, 457 KB

english, 2012

21

Covering Complete r-Graphs with Spanning Complete r-Partite r-Graphs

CIOABĂ, SEBASTIAN M., KÜNDGEN, ANDRÉ, TIMMONS, CRAIG M., VYSOTSKY, VLADISLAV V.

Journal:

Combinatorics Probability & Computing

Year:

2011

Language:

english

File:

PDF, 563 KB

english, 2011

22

Variations on a theme of Graham and Pollak

Cioabă, Sebastian M., Tait, Michael

Journal:

Discrete Mathematics

Year:

2013

Language:

english

File:

PDF, 310 KB

english, 2013

23

Disconnecting strongly regular graphs

Cioabă, Sebastian M., Koolen, Jack, Li, Weiqiang

Journal:

European Journal of Combinatorics

Year:

2014

Language:

english

File:

PDF, 418 KB

english, 2014

24

On the spectrum of Wenger graphs

Cioabă, Sebastian M., Lazebnik, Felix, Li, Weiqiang

Journal:

Journal of Combinatorial Theory, Series B

Year:

2014

Language:

english

File:

PDF, 436 KB

english, 2014

25

The spectrum and toughness of regular graphs

Cioabă, Sebastian M., Wong, Wiseley

Journal:

Discrete Applied Mathematics

Year:

2014

Language:

english

File:

PDF, 352 KB

english, 2014

26

On the connectedness of the complement of a ball in distance-regular graphs

Sebastian M. Cioabă,Jack H. Koolen

Journal:

Journal of Algebraic Combinatorics

Year:

2013

Language:

english

File:

PDF, 263 KB

english, 2013

27

Edge-Connectivity, Eigenvalues, and Matchings in Regular Graphs

O, Suil, Cioabă, Sebastian M.

Journal:

SIAM Journal on Discrete Mathematics

Year:

2010

Language:

english

File:

PDF, 316 KB

english, 2010

28

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

29

Maximizing the Order of a Regular Graph of Given Valency and Second Eigenvalue

Cioabă, Sebastian M., Koolen, Jack H., Nozaki, Hiroshi, Vermette, Jason R.

Journal:

SIAM Journal on Discrete Mathematics

Year:

2016

Language:

english

File:

PDF, 317 KB

english, 2016

30

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

31

Spectral bounds for the k-independence number of a graph

Abiad, Aida, Cioabă, Sebastian M., Tait, Michael

Journal:

Linear Algebra and its Applications

Year:

2016

Language:

english

File:

PDF, 294 KB

english, 2016

32

Connectivity, toughness, spanning trees of bounded degree, and the spectrum of regular graphs

Cioabă, Sebastian M., Gu, Xiaofeng

Journal:

Czechoslovak Mathematical Journal

Year:

2016

Language:

english

File:

PDF, 171 KB

english, 2016

33

Max-cut and extendability of matchings in distance-regular graphs

Cioabă, Sebastian M., Koolen, Jack, Li, Weiqiang

Journal:

European Journal of Combinatorics

Year:

2017

Language:

english

File:

PDF, 464 KB

english, 2017

34

Cospectral mates for the union of some classes in the Johnson association scheme

Cioabă, Sebastian M., Haemers, Willem H., Johnston, Travis, McGinnis, Matt

Journal:

Linear Algebra and its Applications

Year:

2018

Language:

english

File:

PDF, 235 KB

english, 2018

35

Distributed Calculation of Edge-Disjoint Spanning Trees for Robustifying Distributed Algorithms against Man-in-the-Middle Attacks

Oliva, Gabriele, Cioaba, Sebastian, Hadjicostis, Christoforos N.

Journal:

IEEE Transactions on Control of Network Systems

Year:

2017

Language:

english

File:

PDF, 828 KB

english, 2017

36

The smallest eigenvalues of Hamming graphs, Johnson graphs and other distance-regular graphs with classical parameters

Brouwer, Andries E., Cioabă, Sebastian M., Ihringer, Ferdinand, McGinnis, Matt

Journal:

Journal of Combinatorial Theory, Series B

Year:

2018

Language:

english

File:

PDF, 1.79 MB

english, 2018

37

Spectral characterization of the complete graph removing a path of small length

Mao, Lihuan, Cioabă, Sebastian M., Wang, Wei

Journal:

Discrete Applied Mathematics

Year:

2018

Language:

english

File:

PDF, 331 KB

english, 2018

38

[IEEE 2019 IEEE Data Science Workshop (DSW) - Minneapolis, MN, USA (2019.6.2-2019.6.5)] 2019 IEEE Data Science Workshop (DSW) - Optimal Sampling Sets in Cographs

Guillot, Dominique, Parada-Mayorga, Alejandro, Cioaba, Sebastian, Arce, Gonzalo R.

Year:

2019

Language:

english

File:

PDF, 739 KB

english, 2019

39

Preface to the Special Issue of Discrete Mathematics: Dedicated to the Algebraic and Extremal Graph Theory Conference, August 7–10, 2017, University of Delaware, Newark, USA

Cioabă, Sebastian, Coulter, Robert, Fiorini, Eugene, Xiang, Qing

Journal:

Discrete Mathematics

Year:

2019

Language:

english

File:

PDF, 163 KB

english, 2019

40

Preface to the Special Issue of Discrete Mathematics: Dedicated to the Algebraic and Extremal Graph Theory Conference, August 7–10, 2017, University of Delaware, Newark, USA

Cioabă, Sebastian, Coulter, Robert, Fiorini, Eugene, Xiang, Qing

Journal:

Discrete Mathematics

Year:

2019

File:

PDF, 163 KB

2019

41

Identifying Brain Regions Supporting Amygdalar Functionality: A Complex Anatomical Network Perspective

Matyi, Melanie, Cioaba, Sebastian, Banich, Marie T., Spielberg, Jeffrey M.

Journal:

Biological Psychiatry

Year:

2020

File:

PDF, 68 KB

2020