Publications (2004-2013)
(Updated on March 26, 2013)
[1] D. Lou and Q. L. Yu,
Connectivity of k-Extendable Graphs with Large k, Discrete Applied Math.
136(2004), 55-61. PDF
[2] D. Lou and Q. L. Yu,
Sufficient conditions for n-matchable graphs,
Australasian Journal of Combinatorics, 29(2004),
127-133. PDF
[3] P. Wang and Q. L. Yu,
On the degree monotonicity
of (n; k)-cage, Bulletin of the
[4] M. Kano and Q. L. Yu,
Pan-factorial property in regular graphs, The
Electronic Journal of Combinatorics, 12(2005), #N23. PDF
[5] L. C. Zuo, Q. L. Yu and J. L. Wu, Tree Coloring of Distance Graph
with Real Interval Set, Applied
Mathematics Letters, 19(2006) 1341-1344. PDF
[6] Q. L. Yu and Z.
Zhang, Extremal properties of (1,f)-odd factor in
graphs, Ars
Combinatorics, 84(2007), 161-170. PDF
[7] G. Z. Liu and Q. L.
Yu, On (n, k)-extendable graphs and induced subgraphs,
International Mathematical Forum, 2, 23(2007), 1141 – 1148. PDF
[8] Z. M. Jin, H. F. Yan
and Q. L. Yu, Generalization of matching extensions in graphs (II), Discrete
Applied Math. 155 (2007) 1267 – 1274. PDF
[9] Y. H. Ma and Q. L.
Yu, Isolated toughness and the existence of f-factors, CJCDGCGT 2005, Lecture Notes on Computer Science,
Springer-Verlag Berlin Heidelberg, Vol. 4381 (2007),
120-129. PDF
[10] Y. J. Wu and Q. L.
Yu, On uniform star-factors in graphs of girth three, Australasian Journal of Combinatorics, Vol. 39 (2007), 155-161. PDF
[11] Q. L. Yu and L. C. Zuo, The fractional
vertex arboricity of graphs, CJCDGCGT 2005, Lecture Notes on Computer Science, Springer-Verlag
Berlin Heidelberg, Vol. 4381 (2007), 245-252.
PDF
[12] G. Z. Liu, L. Zhang and
Q. L. Yu, Maximum fractional k-factors and connected
fractional 1-factors in graphs, Applied Math. Letters, 20(2007) 1237–1243.
PDF
[13] Y. H. Ma and Q. L.
Yu, Isolated toughness of graphs and the existence of [a, b]-factors, J. of
Combinatorial Mathematics and Combinatorial Computing, 62 (2007) 147-157. PDF
[14] H. Lu, Y. Lin, Y. Wu
and Q. L. Yu, Super-vertex-connectivity of (4, g)-cage, LNCS, Proceeding of
AWOCA07, LNCS (2007), 221-226.
[15] G. Z. Liu and Q. L.
Yu, Strongly pan-factorial property in cages, Ars Combinatorics, Vol. 87 (2008)
263-269. PDF
[16] B. G. Xu and Q. L. Yu, A note on (3,1)-choosable
toroidal graphs, Utilitas Mathematica, 76(2008), 183-189. PDF
[17] Y. H. Duan, H. D. Wu and Q. L. Yu, On graphs determined by
chromatic and flow polynomials, Discrete Applied Mathematics, 156(2008)
1300-1309. PDF
[18] T. Wang and Q. L.
Yu, Vertex-coloring 13-edge-weighting in graphs, Front. Math. China, 3 (2008),
581-587. PDF
[19] T. Wang and Q. L.
Yu, Factor-criticality in 3-dominating-critical graphs, Discrete Math. 309
(2009) 1079–1083. PDF
[20] Y. H. Duan, H. D. Wu and Q. L. Yu, Twist wheel is Tutte-polynomial unique, Discrete Math. 309 (2009) 926–936.
PDF
[21] L. C. Zuo, Q. L. Yu and J. L. Wu, Vertex arboricity
of integer distance graph G(D_{m,k}), Discrete Math. 309
(2009) 1649-1657. PDF
[22] H. Lu, X. Yang and
Q. L. Yu, A note on vertex-coloring edge-weighting of graphs, Front. Math.
China, 4 (2009) (2) 325-334. PDF
[23] M. Kano, H. Lu and Q. L. Yu,
Component factors with large components in graphs,
Applied Math. Letters, 23 (2010) 385-389. PDF (printed version); PDF (updated version)
[24] T. Wang
and Q. L. Yu, A conjecture on k-factor-critical and 3-dominating-critical
graphs, Science in China, Series A, Vol. 53,
No. 5, (2010), 1385-1391 PDF
[25] Y. H. Ma and Q. L. Yu, On existence of [a, b]-factors avoiding given subgraphs, Ars Combinatorics, 96 (2010), 361-373. PDF
[26] Z. Wu, X. Yang and Q. L. Yu,
Note on graph minors and strong products, Applied Math Letters, 23 (2010)
1178-1182. PDF
[27] T. Wang and Q. L. Yu, Matching and
factor-critical property in 3-dominating-critical graphs, Utilitas
Math., 83 (2010) 159-170. PDF
[28] H. Lu, Y. Wu, Q. L. Yu and Y. Lin, On superconnectivity
of (4,g)-cages with even girth, Networks, 56 (2010), no. 2, 143–148. PDF
[29] H. Lu and Q. L.
Yu, Constructive proof of deficiency theorem of (g, f)-factors, Science in China Math., 53 (2010), no. 6,
1657–1662. PDF
[30] B. Bai, Z. Wu, X. Yang and Q. L. Yu,
Lexicographic product of extendable graphs, Bulletin of the Malaysian
Mathematical Sciences Society, (2) 33 (2010), no. 2, 197–204. PDF
[31] M. Kano, Y. J. Wu and Q. L.
Yu, Star-uniform graphs, Graphs
and Combin.,
26 (2010), no. 3, 383–394. PDF
[32] H.
Lu, Y. Wu, Q. L. Yu and Y. Lin, New improvements on connectivity of cages, Acta Mathematica
Sinica, Vol. 27, No. 6 (2011), 1163-1172. PDF
[33] B. Bai, X. Huan
and Q. L. Yu, On the extendability of Cayley graphs on dicyclic group, Utilitas Math., 85 (2011), 201–211. PDF
[34] H. Lu and Q. L. Yu, The general fractional f-factor numbers of graphs, Applied
Mathematics Letters, 24 (2011) 519-523. PDF
[35] H. Lu, Q. L. Yu and C. Q. Zhang, Vertex-coloring
2-edge-weighting of graphs, European J. Combin., 32
(2011) 21-27. PDF
[36] B. Bai,
H. Lu and Q. Yu, Generalization of matching extensions in graphs (III), Applied Discrete Math., 159
(2011),727-732. PDF
[37] G. J. Chang, C. Lu, J. J. Wu
and Q. L. Yu, {1, 2}-edge-weighting vertex-coloring of regular bipartite
graphs, Taiwanese
Journal of Mathematics, Vol. 15, No. 4 (2011) 1807-1813. PDF
[38] Z. Wu, X. Yang and Q.
L. Yu, On the strong product of an m-factor-critical
and an n-factor-critical graphs,
Inter Journal of Computer Math., 88 (2011), no. 13, 2685-2696. PDF
[39] Z. F. Wu, G. Z. Liu and
Q. Yu, Toughness of graphs and [a, b]-factor with prescribed properties, Sci.
China Math. 54 (2011), no. 7, 1491–1498. PDF
[40] Y. J. Wu and Q.
Yu, A Characterization of Graphs with γ = β, Bulletin of the
Malaysian Math. Sci. Society, Vol. 35, No. 3 (2012), 803-806. PDF
[41]
Z. Wu, X. Yang and Q. L. Yu, Factor-criticality of Cartesian products, Graphs and Combin., Vol. 28, No. 5 (2012), 723-736.
[42]
Y. Duan, H. Lu and Q. L. Yu, L-factors and adjacent
vertex-distinguishing edge-weighting, East Asia Journal on Applied Mathematics,
Vol. 2, No. 2 (2012), 83-93.
[43] H. Lu, Y. Wu, Y. Lin, Q. L.
Yu, C. Balbuena, X. Marcote, On superconnectivity
of (4,g)-cages: the case of odd g, Graphs and Combin., Graphs and Combin., 29 (2013), no. 1, 105–119.
[44] Y. H. Duan, T. Wang, B. G. Xu and Q. L. Yu, On some
properties of cages, Ars Combinatorica
(accepted). PDF
[45]
T. Wang, Z. Wu and Q. L. Yu, 2-tough graphs and f-factors with given
properties, Utilitas Mathematica,
(accepted). PDF
[46] Y. J. Wu and Q. L. Yu, Uniformly weighted star-factors of graphs, Ars Combinatorica (accepted). PDF
[47] Y. H. Duan
and Q. L. Yu, Double-twist wheel is Tutte-polynomial
unique, Acta Mathematica Scientia,
Series A, (accepted). PDF
[48] H. Lu, G. L. Wang and Q. L. Yu, On the Existence of General Factors in Regular Graphs, SIAM J. Discrete Math (accepted).
[49]
M. D. Plummer, T. Wang and Q. L. Yu, Matching extension and cyclic
connectivity, G&C (accepted).