2008 | ||
---|---|---|
96 | EE | Arvind Gupta, Pavol Hell, Mehdi Karimi, Arash Rafiey: Minimum Cost Homomorphisms to Reflexive Digraphs. LATIN 2008: 182-193 |
95 | EE | Pavol Hell, André Raspaud, Juraj Stacho: On Injective Colourings of Chordal Graphs. LATIN 2008: 520-530 |
94 | EE | Pavol Hell, Jaroslav Nesetril: Colouring, constraint satisfaction, and complexity. Computer Science Review 2(3): 143-163 (2008) |
93 | EE | Tinaz Ekim, Pavol Hell, Juraj Stacho, Dominique de Werra: Polarity of chordal graphs. Discrete Applied Mathematics 156(13): 2469-2479 (2008) |
92 | EE | Tomás Feder, Pavol Hell: On realizations of point determining graphs, and obstructions to full homomorphisms. Discrete Mathematics 308(9): 1639-1652 (2008) |
91 | EE | Gregory Gutin, Pavol Hell, Arash Rafiey, Anders Yeo: A dichotomy for minimum cost graph homomorphisms. Eur. J. Comb. 29(4): 900-911 (2008) |
90 | EE | Pavol Hell, Xuding Zhu: On the adaptable chromatic number of graphs. Eur. J. Comb. 29(4): 912-921 (2008) |
89 | EE | Richard C. Brewster, Pavol Hell, Romeo Rizzi: Oriented star packings. J. Comb. Theory, Ser. B 98(3): 558-576 (2008) |
88 | EE | Tomás Feder, Pavol Hell, Jing Huang: Brooks-Type Theorems for Pair-List Colorings and List Homomorphisms. SIAM J. Discrete Math. 22(1): 1-14 (2008) |
87 | EE | Richard C. Brewster, Tomás Feder, Pavol Hell, Jing Huang, Gary MacGillivray: Near-Unanimity Functions and Varieties of Reflexive Graphs. SIAM J. Discrete Math. 22(3): 938-960 (2008) |
2007 | ||
86 | EE | Arvind Gupta, Pavol Hell, Mehdi Karimi, Arash Rafiey: Minimum Cost Homomorphisms to Reflexive Digraphs CoRR abs/0708.2514: (2007) |
85 | EE | Tomás Feder, Pavol Hell, Jing Huang: List homomorphisms of graphs with bounded degrees. Discrete Mathematics 307(3-5): 386-392 (2007) |
84 | EE | Tomás Feder, Pavol Hell, Jing Huang: The structure of bi-arc trees. Discrete Mathematics 307(3-5): 393-401 (2007) |
83 | EE | Tomás Feder, Pavol Hell, Wing Xie: Matrix Partitions with Finitely Many Obstructions. Electr. J. Comb. 14(1): (2007) |
82 | EE | Tomás Feder, Pavol Hell, Wing Xie: Matrix Partitions with Finitely Many Obstructions. Electronic Notes in Discrete Mathematics 28: 371-378 (2007) |
2006 | ||
81 | EE | Gregory Gutin, Pavol Hell, Arash Rafiey, Anders Yeo: Minimum Cost Homomorphisms to Proper Interval Graphs and Bigraphs CoRR abs/cs/0602038: (2006) |
80 | EE | Tomás Feder, Pavol Hell, Kim Tucker-Nally: Digraph matrix partitions and trigraph homomorphisms. Discrete Applied Mathematics 154(17): 2458-2469 (2006) |
79 | EE | Tomás Feder, Pavol Hell: Matrix partitions of perfect graphs. Discrete Mathematics 306(19-20): 2450-2460 (2006) |
78 | EE | David Hartvigsen, Pavol Hell, Jácint Szabó: The k-piece packing problem. Journal of Graph Theory 52(4): 267-293 (2006) |
77 | EE | Kathie Cameron, Pavol Hell: Independent packings in structured graphs. Math. Program. 105(2-3): 201-213 (2006) |
76 | EE | Tomás Feder, Pavol Hell: Full Constraint Satisfaction Problems. SIAM J. Comput. 36(1): 230-246 (2006) |
2005 | ||
75 | EE | Tomás Feder, Pavol Hell, Daniel Král, Jiri Sgall: Two algorithms for general list matrix partitions. SODA 2005: 870-876 |
74 | EE | Pavol Hell, Sulamita Klein, Loana Tito Nogueira, Fábio Protti: Packing r-Cliques in Weighted Chordal Graphs. Annals OR 138(1): 179-187 (2005) |
73 | EE | Pavol Hell, Jing Huang: A generalization of the theorem of Lekkerkerker and Boland. Discrete Mathematics 299(1-3): 113-119 (2005) |
72 | EE | Tomás Feder, Pavol Hell, Sulamita Klein, Loana Tito Nogueira, Fábio Protti: List matrix partitions of chordal graphs. Theor. Comput. Sci. 349(1): 52-66 (2005) |
2004 | ||
71 | EE | Tomás Feder, Pavol Hell, Sulamita Klein, Loana Tito Nogueira, Fábio Protti: List Partitions of Chordal Graphs. LATIN 2004: 100-108 |
70 | EE | Pavol Hell, Sulamita Klein, Loana Tito Nogueira, Fábio Protti: Partitioning chordal graphs into independent sets and cliques. Discrete Applied Mathematics 141(1-3): 185-194 (2004) |
69 | EE | Pavol Hell, Juan José Montellano-Ballesteros: Polychromatic cliques. Discrete Mathematics 285(1-3): 319-322 (2004) |
68 | EE | Luisa Gargano, Mikael Hammar, Pavol Hell, Ladislav Stacho, Ugo Vaccaro: Spanning spiders and light-splitting switches. Discrete Mathematics 285(1-3): 83-95 (2004) |
67 | EE | Pavol Hell, Jing Huang: Interval bigraphs and circular arc graphs. Journal of Graph Theory 46(4): 313-327 (2004) |
66 | EE | Pavol Hell, Jing Huang: Certifying LexBFS Recognition Algorithms for Proper Interval Graphs and Proper Interval Bigraphs. SIAM J. Discrete Math. 18(3): 554-570 (2004) |
2003 | ||
65 | EE | Francesc Comellas, Pavol Hell: Broadcasting in generalized chordal rings. Networks 42(3): 123-134 (2003) |
64 | EE | Tomás Feder, Pavol Hell, Sulamita Klein, Rajeev Motwani: List Partitions. SIAM J. Discrete Math. 16(3): 449-478 (2003) |
63 | EE | Tomás Feder, Pavol Hell, Bojan Mohar: Acyclic Homomorphisms and Circular Colorings of Digraphs. SIAM J. Discrete Math. 17(1): 161-169 (2003) |
2002 | ||
62 | EE | Luisa Gargano, Pavol Hell, Ladislav Stacho, Ugo Vaccaro: Spanning Trees with Bounded Number of Branch Vertices. ICALP 2002: 355-365 |
61 | Pavol Hell, Moshe Rosenfeld: Antidirected hamiltonian paths between specified vertices of a tournament. Discrete Applied Mathematics 117(1-3): 87-98 (2002) | |
60 | EE | Richard C. Brewster, Pavol Hell: Homomorphisms to powers of digraphs. Discrete Mathematics 244(1-3): 31-41 (2002) |
2001 | ||
59 | EE | Pavol Hell, Alexandr V. Kostochka, André Raspaud, Eric Sopena: On nice graphs. Discrete Mathematics 234(1-3): 39-51 (2001) |
58 | EE | Pavol Hell, Sulamita Klein, Fábio Protti, Loana Tito Nogueira: On generalized split graphs. Electronic Notes in Discrete Mathematics 7: 98-101 (2001) |
57 | EE | Anna Galluccio, Luis A. Goddyn, Pavol Hell: High-Girth Graphs Avoiding a Minor are Nearly Bipartite. J. Comb. Theory, Ser. B 83(1): 1-14 (2001) |
56 | EE | Pavol Hell, Ron Shamir, Roded Sharan: A Fully Dynamic Algorithm for Recognizing and Representing Proper Interval Graphs. SIAM J. Comput. 31(1): 289-305 (2001) |
2000 | ||
55 | EE | Anna Galluccio, Pavol Hell, Jaroslav Nesetril: The complexity of H-colouring of bounded degree graphs. Discrete Mathematics 222(1-3): 101-109 (2000) |
54 | EE | Pavol Hell: Graph Packings. Electronic Notes in Discrete Mathematics 5: 170-173 (2000) |
53 | EE | Richard C. Brewster, Pavol Hell: On homomorphisms to edge-coloured cycles. Electronic Notes in Discrete Mathematics 5: 46-49 (2000) |
1999 | ||
52 | EE | Pavol Hell, Ron Shamir, Roded Sharan: A Fully Dynamic Algorithm for Recognizing and Representing Proper Interval Graphs. ESA 1999: 527-539 |
51 | EE | Tomás Feder, Pavol Hell, Sulamita Klein, Rajeev Motwani: Complexity of Graph Partition Problems. STOC 1999: 464-472 |
50 | EE | Tomás Feder, Pavol Hell, Jing Huang: List Homomorphisms and Circular Arc Graphs. Combinatorica 19(4): 487-505 (1999) |
1998 | ||
49 | L. Haddad, Pavol Hell, Eric Mendelsohn: On the complexity of coloring areflexive h-ary relations with given permutation group. Ars Comb. 48: (1998) | |
48 | EE | Bruno Beauquier, Pavol Hell, Stephane Perennes: Optimal Wavelength-routed Multicasting. Discrete Applied Mathematics 84(1-3): 15-20 (1998) |
47 | EE | Tomás Feder, Pavol Hell: List Homomorphisms to Reflexive Graphs. J. Comb. Theory, Ser. B 72(2): 236-250 (1998) |
46 | EE | Michael R. Fellows, Pavol Hell, Karen Seyffarth: Constructions of large planar networks with given degree and diameter. Networks 32(4): 275-281 (1998) |
1997 | ||
45 | Luisa Gargano, Pavol Hell, Stephane Perennes: Colouring Paths in Directed Symmetric Trees with Applications to WDM Routing. ICALP 1997: 505-515 | |
44 | EE | Richard C. Brewster, Pavol Hell, Gary MacGillivray: The complexity of restricted graph homomorphisms. Discrete Mathematics 167-168: 145-154 (1997) |
1996 | ||
43 | EE | Pavol Hell, David G. Kirkpatrick, Brenda Li: Rounding in Symmetric Matrices and Undirected Graphs. Discrete Applied Mathematics 70(1): 1-21 (1996) |
42 | EE | Pavol Hell, Jaroslav Nesetril, Xuding Zhu: Complexity of Tree Homomorphisms. Discrete Applied Mathematics 70(1): 23-36 (1996) |
41 | Xiaotie Deng, Pavol Hell, Jing Huang: Linear-Time Representation Algorithms for Proper Circular-Arc Graphs and Proper Interval Graphs. SIAM J. Comput. 25(2): 390-403 (1996) | |
40 | EE | Binay K. Bhattacharya, Pavol Hell, Jing Huang: A Linear Algorithm for Maximum Weight Cliques in ProperCircular Arc Graphs. SIAM J. Discrete Math. 9(2): 274-289 (1996) |
1995 | ||
39 | Evripidis Bampis, Pavol Hell, Yannis Manoussakis, Moshe Rosenfeld: Finding an Antidirected Hamiltonian Path Starting with a Forward Arc from a Given Vertex of a Tournament. Combinatorics and Computer Science 1995: 67-73 | |
38 | EE | Michael R. Fellows, Pavol Hell, Karen Seyffarth: Large Planar Graphs with Given Diameter and Maximum Degree. Discrete Applied Mathematics 61(2): 133-153 (1995) |
37 | EE | Jørgen Bang-Jensen, Pavol Hell, Gary MacGillivray: Hereditarily hard H-colouring problems. Discrete Mathematics 138(1-3): 75-92 (1995) |
36 | EE | Pavol Hell, Xuding Zhu: The Existence of Homomorphisms to Oriented Cycles. SIAM J. Discrete Math. 8(2): 208-222 (1995) |
1994 | ||
35 | EE | Pavol Hell, Yannis Manoussakis, Zsolt Tuza: Packing Problems in Edge-colored Graphs. Discrete Applied Mathematics 52(3): 295-306 (1994) |
34 | EE | Pavol Hell, Xingxing Yu, Huishan Zhou: Independence ratios of graph powers. Discrete Mathematics 127(1-3): 213-220 (1994) |
33 | EE | Jørgen Bang-Jensen, Pavol Hell: On chordal proper circular arc graphs. Discrete Mathematics 128(1-3): 395-398 (1994) |
32 | EE | Pavol Hell, Xuding Zhu: Homomorphisms to oriented paths. Discrete Mathematics 132(1-3): 107-114 (1994) |
31 | EE | Pavol Hell, Huishan Zhou, Xuding Zhu: Multiplicativity of Oriented Cycles. J. Comb. Theory, Ser. B 60(2): 239-253 (1994) |
1993 | ||
30 | Pavol Hell, Huishan Zhou, Xuding Zhu: Homomorphisms to oriented cycles. Combinatorica 13(4): 421-433 (1993) | |
29 | EE | Jørgen Bang-Jensen, Pavol Hell: Fast Algorithms for Finding Hamiltonian Paths and Cycles in In-Tournament Digraphs. Discrete Applied Mathematics 41(1): 75-79 (1993) |
28 | EE | Pavol Hell: Biography of Martin Farber, 1951-1989. Discrete Applied Mathematics 44(1-3): 5-7 (1993) |
27 | EE | Hans-Jürgen Bandelt, Martin Farber, Pavol Hell: Absolute Reflexive Retracts and Absolute Bipartite Retracts. Discrete Applied Mathematics 44(1-3): 9-20 (1993) |
26 | EE | Pavol Hell, Karen Seyffarth: Largest planar graphs of diameter two and fixed maximum degree. Discrete Mathematics 111(1-3): 313-322 (1993) |
25 | EE | Roland Häggkvist, Pavol Hell: Universality of A-mote Graphs. Eur. J. Comb. 14(1): 23-27 (1993) |
24 | Pavol Hell, David G. Kirkpatrick: Algorithms for Degree Constrained Graph Factors of Minimum Deficiency. J. Algorithms 14(1): 115-138 (1993) | |
1992 | ||
23 | Xiaotie Deng, Pavol Hell, Jing Huang: Recognition and Representation of Proper Circular Arc Graphs. IPCO 1992: 114-121 | |
22 | EE | Jean-Claude Bermond, Pavol Hell, Arthur L. Liestman, Joseph G. Peters: Sparse broadcast graphs. Discrete Applied Mathematics 36(2): 97-130 (1992) |
21 | EE | Pavol Hell, Donald J. Miller: Achromatic numbers and graph operations. Discrete Mathematics 108(1-3): 297-305 (1992) |
20 | EE | Pavol Hell, Jaroslav Nesetril: The core of a graph. Discrete Mathematics 109(1-3): 117-126 (1992) |
19 | EE | Jørgen Bang-Jensen, Pavol Hell, Gary MacGillivray: On the complexity of colouring by superdigraphs of bipartite graphs. Discrete Mathematics 109(1-3): 27-44 (1992) |
18 | Jean-Claude Bermond, Pavol Hell, Jean-Jacques Quisquater: Construction of Large Packet Radio Networks. Parallel Processing Letters 2: 3-12 (1992) | |
17 | Jean-Claude Bermond, Pavol Hell, Arthur L. Liestman, Joseph G. Peters: Broadcasting in Bounded Degree Graphs. SIAM J. Discrete Math. 5(1): 10-24 (1992) | |
1990 | ||
16 | Pavol Hell, Jørgen Bang-Jensen, Jing Huang: Local Tournaments and Proper Circular Arc Gaphs. SIGAL International Symposium on Algorithms 1990: 101-108 | |
15 | EE | Jørgen Bang-Jensen, Pavol Hell: The effect of two cycles on the complexity of colourings by directed graphs. Discrete Applied Mathematics 26(1): 1-23 (1990) |
14 | EE | Pavol Hell: Preface. Discrete Applied Mathematics 27(1-2): 1 (1990) |
13 | EE | Katherine Heinrich, Pavol Hell, David G. Kirkpatrick, Guizhen Liu: A simple existence criterion for (g<f)- factors. Discrete Mathematics 85(3): 313-317 (1990) |
12 | EE | Pavol Hell, Jaroslav Nesetril: On the complexity of H-coloring. J. Comb. Theory, Ser. B 48(1): 92-110 (1990) |
1988 | ||
11 | Roland Häggkvist, Pavol Hell, Donald J. Miller, Victor Neumann-Lara: On multiplicative graphs and the product conjecture. Combinatorica 8(1): 63-74 (1988) | |
10 | EE | Pavol Hell, Arthur L. Liestman: Broadcasting in one dimension. Discrete Applied Mathematics 21(2): 101-111 (1988) |
9 | Jørgen Bang-Jensen, Pavol Hell, Gary MacGillivray: The Complexity of Colouring by Semicomplete Digraphs. SIAM J. Discrete Math. 1(3): 281-298 (1988) | |
8 | Pavol Hell, David G. Kirkpatrick, Jan Kratochvíl, Igor Kríz: On Restricted Two-Factors. SIAM J. Discrete Math. 1(4): 472-484 (1988) | |
1986 | ||
7 | EE | Martin Farber, Gena Hahn, Pavol Hell, Donald Miller: Concerning the achromatic number of graphs. J. Comb. Theory, Ser. B 40(1): 21-39 (1986) |
1984 | ||
6 | EE | Pavol Hell, David G. Kirkpatrick: Packings by cliques and by finite families of graphs. Discrete Mathematics 49(1): 45-59 (1984) |
1983 | ||
5 | Pavol Hell, Moshe Rosenfeld: The Complexity of Finding Generalized Paths in Tournaments. J. Algorithms 4(4): 303-309 (1983) | |
4 | David G. Kirkpatrick, Pavol Hell: On the Complexity of General Graph Factor Problems. SIAM J. Comput. 12(3): 601-609 (1983) | |
1981 | ||
3 | Pavol Hell, David G. Kirkpatrick: On Generalized Matching Problems. Inf. Process. Lett. 12(1): 33-35 (1981) | |
2 | Roland Häggkvist, Pavol Hell: Parallel Sorting with Constant Time for Comparisons. SIAM J. Comput. 10(3): 465-472 (1981) | |
1978 | ||
1 | David G. Kirkpatrick, Pavol Hell: On the Completeness of a Generalized Matching Problem STOC 1978: 240-245 |