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Researcher
Carol Zamfirescu
Profile
Projects
Publications & Research Data
Activities
Awards & Distinctions
Patents
71
Results
2025
A graph called Harmony
Carol Zamfirescu
Editorial material
2025
Counting cycles in planar triangulations
On-Hei Solomon Lo
Carol Zamfirescu
A1
Journal Article
in
JOURNAL OF COMBINATORIAL THEORY SERIES B
2025
Non-Hamiltonian Cartesian products of two even dicycles
Kenta Noguchi
Carol Zamfirescu
A1
Journal Article
in
JOURNAL OF GRAPH THEORY
2025
On platypus graphs and the Steiner-Deogun property
Carol Zamfirescu
U
Journal Article
in
DISCRETE APPLIED MATHEMATICS
2025
On the girth and connectivity of cubic graphs with a unique longest cycle
Jorik Jooken
Carol Zamfirescu
U
Journal Article
in
DISCRETE MATHEMATICS
2025
Shortness parameters of polyhedral graphs with few distinct vertex degrees
On-Hei Solomon Lo
Jens M. Schmidt
Nicolas Van Cleemput
Carol Zamfirescu
U
Journal Article
in
DISCRETE MATHEMATICS
2025
2024
Domination of triangulated discs and maximal outerplanar graphs
Jarne Renders
Shin-ichi Tokunaga
Carol Zamfirescu
A1
Journal Article
in
APPLIED MATHEMATICS AND COMPUTATION
2024
Few hamiltonian cycles in graphs with one or two vertex degrees
Jan Goedgebeur
Jorik Jooken
On-Hei Solomon Lo
Ben Seamone
Carol Zamfirescu
A1
Journal Article
in
MATHEMATICS OF COMPUTATION
2024
Generation and new infinite families of K2-hypohamiltonian graphs
Jan Goedgebeur
Jarne Renders
Carol Zamfirescu
A1
Journal Article
in
DISCRETE MATHEMATICS
2024
K2-Hamiltonian graphs : II
Jan Goedgebeur
Jarne Renders
Gabor Wiener
Carol Zamfirescu
A1
Journal Article
in
JOURNAL OF GRAPH THEORY
2024
On non-Hamiltonian polyhedra without cubic vertices and their vertex-deleted subgraphs
Jan Goedgebeur
Thomas Gringore
Carol Zamfirescu
A1
Journal Article
in
DISCUSSIONES MATHEMATICAE GRAPH THEORY
2024
Spanning trees for many different numbers of leaves
Kenta Noguchi
Carol Zamfirescu
A1
Journal Article
in
DISCRETE MATHEMATICS AND THEORETICAL COMPUTER SCIENCE
2024
2023
On a conjecture of Grünbaum on longest cycles
Carol Zamfirescu
A1
Journal Article
in
EUROPEAN JOURNAL OF COMBINATORICS
2023
On the hamiltonicity of a planar graph and its vertex-deleted subgraphs
Carol Zamfirescu
A1
Journal Article
in
JOURNAL OF GRAPH THEORY
2023
Tight cycle spectrum gaps of cubic 3-connected toroidal graphs
On-Hei Solomon Lo
Carol Zamfirescu
A1
Journal Article
in
DISCRETE MATHEMATICS
2023
2022
Counterexamples to a conjecture of Merker on 3-connected cubic planar graphs with a large cycle spectrum gap
Carol Zamfirescu
A1
Journal Article
in
DISCRETE MATHEMATICS
2022
Hamiltonian cycles and 1-factors in 5-regular graphs
Nicolas Van Cleemput
Carol Zamfirescu
A1
Journal Article
in
JOURNAL OF COMBINATORIAL THEORY SERIES B
2022
On 2-factors splitting an embedded graph into two plane graphs
Gunnar Brinkmann
Sara Chiers
Carol Zamfirescu
A1
Journal Article
in
GRAPHS AND COMBINATORICS
2022
Planar hypohamiltonian oriented graphs
Alewyn P. Burger
Johan P. de Wet
Marietjie Frick
Nicolas Van Cleemput
Carol Zamfirescu
A1
Journal Article
in
JOURNAL OF GRAPH THEORY
2022
Regular graphs with few longest cycles
Carol Zamfirescu
A1
Journal Article
in
SIAM JOURNAL ON DISCRETE MATHEMATICS
2022
The connectivity of the dual
Drago Bokal
Gunnar Brinkmann
Carol Zamfirescu
A1
Journal Article
in
JOURNAL OF GRAPH THEORY
2022
Vertex degrees and 2-cuts in graphs with many hamiltonian vertex-deleted subgraphs
Carol Zamfirescu
A1
Journal Article
in
INFORMATION PROCESSING LETTERS
2022
2021
4-regular 4-connected Hamiltonian graphs with a bounded number of Hamiltonian cycles
Carsten Thomassen
Carol Zamfirescu
A2
Journal Article
in
AUSTRALASIAN JOURNAL OF COMBINATORICS
2021
K-2-Hamiltonian graphs : I
Carol Zamfirescu
A1
Journal Article
in
SIAM JOURNAL ON DISCRETE MATHEMATICS
2021
Non-hamiltonian graphs in which every edge-contracted subgraph is hamiltonian
Igor Fabrici
Tomáš Madaras
Mária Timková
Nicolas Van Cleemput
Carol Zamfirescu
A1
Journal Article
in
APPLIED MATHEMATICS AND COMPUTATION
2021
On 3-polytopes with non-Hamiltonian prisms
Daiki Ikegami
Shun-ichi Maezawa
Carol Zamfirescu
A1
Journal Article
in
JOURNAL OF GRAPH THEORY
2021
Spiders everywhere
Gábor Wiener
Maho Yokota
Carol Zamfirescu
A1
Journal Article
in
DISCRETE APPLIED MATHEMATICS
2021
2020
Graphs with few hamiltonian cycles
Jan Goedgebeur
Barbara Meersman
Carol Zamfirescu
A1
Journal Article
in
MATHEMATICS OF COMPUTATION
2020
Long cycles and spanning subgraphs of locally maximal 1-planar graphs
I. Fabrici
J. Harant
T. Madaras
S. Mohr
R. Soták
Carol Zamfirescu
A1
Journal Article
in
JOURNAL OF GRAPH THEORY
2020
Non-hamiltonian 1-tough triangulations with disjoint separating triangles
Jun Fujisawa
Carol Zamfirescu
A1
Journal Article
in
DISCRETE APPLIED MATHEMATICS
2020
On minimum leaf spanning trees and a criticality notion
Kenta Ozeki
Gábor Wiener
Carol Zamfirescu
A1
Journal Article
in
DISCRETE MATHEMATICS
2020
Shortness coefficient of cyclically 4-edge-connected cubic graphs
On-Hei S. Lo
Jens M. Schmidt
Nicolas Van Cleemput
Carol Zamfirescu
A1
Journal Article
in
ELECTRONIC JOURNAL OF COMBINATORICS
2020
Structural and computational results on platypus graphs
Jan Goedgebeur
Addie Neyt
Carol Zamfirescu
A1
Journal Article
in
APPLIED MATHEMATICS AND COMPUTATION
2020
2019
Cubic vertices in planar hypohamiltonian graphs
Carol Zamfirescu
A1
Journal Article
in
JOURNAL OF GRAPH THEORY
2019
Grinberg’s criterion
Gunnar Brinkmann
Carol Zamfirescu
A1
Journal Article
in
EUROPEAN JOURNAL OF COMBINATORICS
2019
On a question of van Aardt et al. on destroying all longest cycles
Carol Zamfirescu
A1
Journal Article
in
GRAPHS AND COMBINATORICS
2019
On almost hypohamiltonian graphs
Jan Goedgebeur
Carol Zamfirescu
A1
Journal Article
in
DISCRETE MATHEMATICS AND THEORETICAL COMPUTER SCIENCE
2019
On the size of maximally non-hamiltonian digraphs
Nicolas Lichiardopol
Carol Zamfirescu
A1
Journal Article
in
ARS MATHEMATICA CONTEMPORANEA
2019
Polyhedra with few 3-cuts are hamiltonian
Gunnar Brinkmann
Carol Zamfirescu
A1
Journal Article
in
ELECTRONIC JOURNAL OF COMBINATORICS
2019
2018
Congruent triangles in arrangements of lines
Carol Zamfirescu
A1
Journal Article
in
ARS MATHEMATICA CONTEMPORANEA
2018
Every 4-connected graph with crossing number 2 is Hamiltonian
Kenta Ozeki
Carol Zamfirescu
A1
Journal Article
in
SIAM JOURNAL ON DISCRETE MATHEMATICS
2018
Every graph occurs as an induced subgraph of some hypohamiltonian graph
Carol Zamfirescu
Tudor I Zamfirescu
A1
Journal Article
in
JOURNAL OF GRAPH THEORY
2018
Gallai’s question and constructions of almost hypotraceable graphs
Gábor Wiener
Carol Zamfirescu
A1
Journal Article
in
DISCRETE APPLIED MATHEMATICS
2018
Hamiltonian properties of polyhedra with few 3-cuts : a survey
Kenta Ozeki
Nicolas Van Cleemput
Carol Zamfirescu
A1
Journal Article
in
DISCRETE MATHEMATICS
2018
Infinitely many planar cubic hypohamiltonian graphs of girth 5
Jan Goedgebeur
Carol Zamfirescu
A1
Journal Article
in
JOURNAL OF GRAPH THEORY
2018
Non-hamiltonian triangulations with distant separating triangles
Kenta Ozeki
Carol Zamfirescu
A1
Journal Article
in
DISCRETE MATHEMATICS
2018
On hypohamiltonian snarks and a theorem of Fiorini
Jan Goedgebeur
Carol Zamfirescu
A1
Journal Article
in
ARS MATHEMATICA CONTEMPORANEA
2018
Regular non-hamiltonian polyhedral graphs
Nicolas Van Cleemput
Carol Zamfirescu
A1
Journal Article
in
APPLIED MATHEMATICS AND COMPUTATION
2018
2017
Improved bounds for hypohamiltonian graphs
Jan Goedgebeur
Carol Zamfirescu
A1
Journal Article
in
ARS MATHEMATICA CONTEMPORANEA
2017
On non-hamiltonian graphs for which every vertex-deleted subgraph is traceable
Carol Zamfirescu
A1
Journal Article
in
JOURNAL OF GRAPH THEORY
2017
Planar Hypohamiltonian graphs on 40 vertices
Mohammadreza Jooyandeh
Brendan D McKay
Patric RJ Östergård
Ville H Pettersson
Carol Zamfirescu
A1
Journal Article
in
JOURNAL OF GRAPH THEORY
2017
2016
A cut locus for finite graphs and the farthest point mapping
Alessandro Maddaloni
Carol Zamfirescu
A1
Journal Article
in
DISCRETE MATHEMATICS
2016
Dissecting the square into five congruent parts
Liping Yuan
Carol Zamfirescu
Tudor I Zamfirescu
A1
Journal Article
in
DISCRETE MATHEMATICS
2016
Hypohamiltonian and almost hypohamiltonian graphs
Carol Zamfirescu
Gunnar Brinkmann
Dissertation
2016
Seven problems on hypohamiltonian and almost hypohamiltonian graphs
Carol Zamfirescu
P1
Conference
2016
2015
On hypohamiltonian and almost hypohamiltonian graphs
Carol Zamfirescu
A1
Journal Article
in
JOURNAL OF GRAPH THEORY
2015
Small k-pyramids and the complexity of determining k
Boris Schauerte
Carol Zamfirescu
A2
Journal Article
in
JOURNAL OF DISCRETE ALGORITHMS
2015
2014
Lattice graphs with non-concurrent longest cycles
Ali Dino Jumani
Carol Zamfirescu
Tudor I Zamfirescu
A1
Journal Article
in
RENDICONTI DEL SEMINARIO MATEMATICO DELLA UNIVERSITA DI PADOVA
2014
2013
(2)-pancyclic graphs
Carol Zamfirescu
A1
Journal Article
in
DISCRETE APPLIED MATHEMATICS
2013
Balanced triangulations
Lijie Jia
Liping Yuan
Carol Zamfirescu
Tudor I Zamfirescu
A1
Journal Article
in
DISCRETE MATHEMATICS
2013
Improved bounds for acute triangulations of convex polygons
Carol Zamfirescu
A1
Journal Article
in
UTILITAS MATHEMATICA
2013
Intersecting longest paths and longest cycles : a survey
Ayesha Shabbir
Carol Zamfirescu
Tudor I Zamfirescu
A2
Journal Article
in
ELECTRONIC JOURNAL OF GRAPH THEORY AND APPLICATIONS
2013
Survey of two-dimensional acute triangulations
Carol Zamfirescu
A1
Journal Article
in
DISCRETE MATHEMATICS
2013
2012
Hypohamiltonian graphs and their crossing number
Carol Zamfirescu
A1
Journal Article
in
ELECTRONIC JOURNAL OF COMBINATORICS
2012
2011
Hamiltonian properties of generalized pyramids
Carol Zamfirescu
Tudor I Zamfirescu
A1
Journal Article
in
MATHEMATISCHE NACHRICHTEN
2011
2010
An infinite family of planar non-Hamiltonian bihomogeneously traceable oriented graphs
Carol Zamfirescu
A1
Journal Article
in
GRAPHS AND COMBINATORICS
2010
Research problems from the 18th workshop '3in1' 2009, 3 : two problems on bihomogeneously traceable digraphs
Carol Zamfirescu
Editorial material
2010
2007
A planar hypohamiltonian graph with 48 vertices
Carol Zamfirescu
Tudor I Zamfirescu
A1
Journal Article
in
JOURNAL OF GRAPH THEORY
2007
Acute triangulations of doubly covered convex quadrilaterals
Liping Yuan
Carol Zamfirescu
A2
Journal Article
in
BOLLETTINO DELLA UNIONE MATEMATICA ITALIANA. SERIE VIII. SEZIONE B. ARTICOLI DI RICERCA MATEMATICA
2007
2006
Regular graphs in which every pair of points is missed by some longest cycle
Boris Schauerte
Carol Zamfirescu
A2
Journal Article
in
ANALELE UNIVERSITĂŢII DIN CRAIOVA. SERIA MATEMATICĂ INFORMATICĂ = ANNALS OF THE UNIVERSITY OF CRAIOVA. MATHEMATICS AND COMPUTER SCIENCE SERIES
2006
2004
Acute triangulations of the double triangle
Carol Zamfirescu
A2
Journal Article
in
BULLETIN MATHEMATIQUE DE LA SOCIETE DES SCIENCES MATHEMATIQUES DE ROUMANIE
2004