Author

Roland Häggkvist

Observed names: R HAGGKVIST, R Häggkvist, R. Häggkvist, R. H�ggkvist, ROLAND HÄGGKVIST, Roland Haggkvist, Roland Hággkvist

Observed institutions: Rutgers, The State University of New Jersey, Uppsala University, University of Waterloo, Stockholm University, Aarhus University, Mittag-Leffler Institute, Microenvironment and B-cells: Immunopathology, Cell, Differentiation and Cancer, Laboratoire de recherche en gestion et économie, Umeå University

OpenAlex ID: A5015310429

Bipartite Graphs and their Applications

1998 · Armen S. Asratian, Tristan M. J. Denley, et al. · Cambridge University Press eBooks · 474

Second-order analysis of space-time clustering

1995 · PJ Diggle, AG Chetwynd, et al. · Statistical Methods in Medical Research · 253

On numerical semigroups

1986 · R. Fröberg, C. Gottlieb, et al. · Semigroup Forum · 245

On multiplicative graphs and the product conjecture

1988 · R. Häggkvist, P. Hell, et al. · COMBINATORICA · 93

New Bounds on the List-Chromatic Index of the Complete Graph and Other Simple Graphs

1997 · ROLAND HÄGGKVIST, JEANNETTE JANSSEN · Combinatorics Probability Computing · 91

Some upper bounds on the total and list chromatic numbers of multigraphs

1992 · Roland Häggkvist, Amanda Chetwynd · Journal of Graph Theory · 87

Some observations on the oberwolfach problem

1985 · Brian Alspach, Roland Häggkvist · Journal of Graph Theory · 73

On diameter critical graphs

1979 · Louis Caccetta, Roland Häggkvist · Discrete Mathematics · 63

Alternating cycles in edge-partitioned graphs

1983 · Jerrold W Grossman, Roland Häggkvist · Journal of Combinatorial Theory Series B · 61

On pancyclic digraphs

1976 · Roland Häggkvist, Carsten Thomassen · Journal of Combinatorial Theory Series B · 61

ODD Cycles of Specified Length in Non-Bipartite Graphs

1982 · Roland Häggkvist · North-Holland mathematics studies · 57

Cycles and paths in bipartite tournaments with spanning configurations

1989 · R. Häggkvist, Y. Manoussakis · COMBINATORICA · 56

Decompositions of complete bipartite graphs

1989 · Roland Häggkvist · Cambridge University Press eBooks · 54

Circuits through specified edges

1982 · Roland Häggkvist, Carsten Thomassen · Discrete Mathematics · 54

Degrees giving independent edges in a hypergraph

1981 · David E. Daykin, Roland Häggkvist · Bulletin of the Australian Mathematical Society · 52

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Parallel Sorting with Constant Time for Comparisons

1981 · Roland Häggkvist, Pavol Hell · SIAM Journal on Computing · 44

A Lemma on Cycle Decompositions

1985 · Roland Häggkvist · North-Holland mathematics studies · 43

On the Ising model for the simple cubic lattice

2007 · R. Häggkvist, A. Rosengren, et al. · Advances In Physics · 41

Universality of A-mote Graphs

1993 · Roland Häggkvist, Pavol Hell · European Journal of Combinatorics · 40

Double covers of cubic graphs with oddness 4

2004 · Roland Häggkvist, Sean McGuinness · Journal of Combinatorial Theory Series B · 35

A note on list‐colorings

1989 · Amanda Chetwynd, Roland Häggkvist · Journal of Graph Theory · 34

Sorting and Merging in Rounds

1982 · R. Häggkvist, P. Hell · SIAM Journal on Algebraic and Discrete Methods · 34

The Square of a Hamiltonian Cycle

1994 · Genghua Fan, Roland Häggkvist · SIAM Journal on Discrete Mathematics · 32

Hamilton Cycles in Oriented Graphs

1993 · Roland Häggkvist · Combinatorics Probability Computing · 30

Rigorous solution of a two-dimensional Blume-Emery-Griffiths model

1989 · Anders Rosengren, Roland Häggkvist · Physical Review Letters · 29

Works count: 86

Citation count: 2,520

H-index: 26

I10-index: 41