There is a regular Graph Theory seminar at the Department of Mathematics, Faculty of Applied Sciences in Pilsen. Seminars start at 10:00 in the room UN 656.
Current information about the seminars can be found at: Graph theory seminar
13/8/2024 | Wangyi Shang Neighborhood conditions for hamiltonicity of K_{1,4}-free Graphs |
7/5/2024 | Karolína Hylasová Independent transversals in bipartite graphs |
30/4/2024 | Vašek Chvátal Lines in metric spaces |
23/4/2024 | Tomáš Kaiser Induced paths in triangle-free graphs |
16/4/2024 | Borut Lužar Combining proper and square colorings |
9/4/2024 | Roman Nedela Generation of cyclically 4-connected cubic graphs |
12/3/2024 | Petr Vrána The absence of closures of given properties |
27/2/2024 | Roman Nedela Flows on snarks induced by perfect matching covers |
20/2/2024 | Zdeněk Ryjáček Hamilton-connectedness of 3-connected {K_{1,3}, Γ_3}-free graphs |
21/11/2023 | Karl Heuer Even circuits in oriented matroids |
14/11/2023 | Karl Heuer Tools from Topological Infinite Graph Theory for Hamiltonicity |
31/10/2023 | Roman Nedela Map isomorphism problem in the context of some classical problems of computer science |
17/10/2023 | Jakub Teska Union-closed sets conjecture |
10/10/2023 | Ingo Schiermeyer 3-colourability, diamonds and spindle graphs |
03/10/2023 | Masahiro Sanka Toughness and forbidden subgraphs for hamiltonicity of graphs |
26/9/2023 | Jakub Teska Proof of a special case of P. Frankl's Union-closed sets conjecture II. |
19/9/2023 | Jakub Teska Proof of a special case of P. Frankl's Union-closed sets conjecture I. |
16/5/2023 | Petr Vrána The closures preserving hamiltonian properties on the subclasses of K_{1,4}-free graphs |
02/5/2023 | Jan Volec The sixth Ramsey number is at most 147 |
18/4/2023 | Liming Xiong How does the induced hourglass affect a graph to have hamiltonian properties |
4/4/2023 | Edita Máčajová Petersen graph is the only snark fully covered by short cycles |
28/3/2023 | Eng Keat Approximating fractionally isomorphic graphons |
21/3/2023 | Tomáš Kaiser Entropy and the union-closed sets conjecture |
14/3/2023 | Vašek Chvátal The discrete mathematical charms of Paul Erdős |
7/3/2023 | Roman Nedela Crystallisations of 3-manifolds |
14/2/2023 | Tomáš Kaiser Criticality in Sperner's Lemma |
13/12/2022 | Ján Hladký Invitation to graphons |
6/12/2022 | Roman Čada On the existence of properly colored factors in edge colored graphs |
22/11/2022 | Martin Kopřiva Generalized L(p,q)-labellings of graphs |
1/11/2022 | Petr Vrána Counterexamples to West-Wu conjecture |
25/10/2022 | Joe Ryan Furthering graph valuations |
18/10/2022 | Roman Nedela Bipartite index of a graph and Vizing's theorem |
11/10/2022 | Tomáš Kaiser On topics related to nowhere-zero flows, matchings and a project we are about to start preparing |
4/10/2022 | Peter Zeman (Universite de Neuchatel) Testing isomorphism of chordal graphs of bounded leafage is fixed-parameter tractable |
27/9/2022 | Roman Nedela Topics related to a research project that is currently in preparation |
20/9/2022 | Hamed Karami Perfect Colorings of Generalized Petersen Graphs |
10/5/2022 | Tomáš Kaiser Independent transversals in graphs II |
26/4/2022 | Chris Purcell Subgraph complementation and minimum rank |
5/4/2022 | Roman Nedela The Weisfeiler-Lehman dimension of circular arc graphs |
29/3/2022 | Petr Vrána Closure of claw-free, hourglass-free graphs to hourglass-free line graphs of multigraphs preserving Hamiltonian connectedness |
22/3/2022 | Adam Kabela Frankl's conjecture and Cui-Hu conjecture for small set systems |
15/3/2022 | Jan Ekstein Hamiltonian paths and cycles in graph powers |
8/3/2022 | Roman Nedela Hamilton cycles and paths in graphs embedded into surfaces |
1/3/2022 | Tomáš Kaiser Hamilton cycles in line graphs of 3-hypergraphs |
14/12/2021 | Adam Kabela An introduction to induced-saturated graphs |
30/11/2021 | Mária Skyvová Classification of finite group actions on orientable surfaces III |
23/11/2021 | Mária Skyvová Classification of finite group actions on orientable surfaces II |
16/11/2021 | Roman Nedela Decyclic 3-connected cubic graphs |
9/11/2021 | Adam Kabela Density maximizers of layered permutations |
2/11/2021 | Petr Vrána Closure in locally finite claw-free graphs |
26/10/2021 | No seminar talk scheduled. There is a talk of Jan Vršek entitled Symetrie a ekvivalence algebraických křivek starting 10:00 in UC 143. |
19/10/2021 | Mária Skyvová Classification of finite group actions on orientable surfaces I |
12/10/2021 | Jakub Teska Hamiltonian properties of lexicographic products |
5/10/2021 | Tomáš Kaiser Independent transversals in graphs I |
21/9/2021 | Roman Nedela Perfect matching index of cubic graphs of defect 3 |
30/6/2020 | Chris Purcell Exclusive sum labellings of hypergraphs |
3/3/2020 | Matěj Stehlík Bipartite complements of circle graphs |
18/2/2020 | Tomáš Kaiser Chi-boundedness of classes of graphs |
10/12/2019 | Robert Hancock Limits of sequences of Latin squares |
3/12/2019 | Petr Vrána Hamilton-connected {claw,net}-free graphs I |
27/11/2019 | Roman Čada Complete bipartite graphs with no properly colored cycle of length fours |
20/11/2019 | Chris Purcell Satisfiability and hereditary graph classes |
30/10/2019 | Honza Ekstein & Jakub Teska Hamiltonicity of lexicographic products |
23/10/2019 | Daniel Král Matroid width parameters and integer programming |
16/10/2019 | Tomáš Kaiser Generalised Mycielski graphs II. |
9/10/2019 | Tomáš Kaiser Generalised Mycielski graphs I. |
21/5/2019 | Alexander Mednykh Counting spanning trees, forests and Kirchhoff index for circulant graphs |
14/5/2019 | Chris Purcell Housing markets and parameterized complexity |
7/5/2019 | Hoi Ping Luk Tilings of the sphere by almost equilateral pentagons |
30/4/2019 | Xiaojing Yang Forbidden subgraphs and graphs with some properties |
30/4/2019 | Xia Liu Forbidden subgraphs and weak locally connected graphs |
23/4/2019 | Liming Xiong Some results in square of a graph |
9/4/2019 | Přemek Holub Forbidden pairs and 2-factors in 2-connected graphs |
26/3/2019 | Matej Stehlík The width of projective quadrangulations |
12/3/2019 | Takamasa Yashima 2-factors in cubic graphs |
12/3/2019 | Roman Nedela A poly(n) algorithm for testing the isomorphism of circular-arc graphs |
26/2/2019 | Roman Nedela Isomorphisms of maps on the sphere |
18/12/2018 | Binlong Li Hamiltonian circles of the prism of infinite cubic graphs |
11/12/2018 | Zdeněk Dvořák Colouring of graphs, Part IV |
27/11/2018 | Adam Kabela Forbidden pairs and perfect graphs |
20/11/2018 | István Estélyi On the Clar Number of Benzenoid Graphs |
13/11/2018 | Zdeněk Dvořák Colouring of graphs, Part III |
6/11/2018 | Roman Nedela Spanning trees, flows, harmonic functions and symmetries of graphs |
30/10/2018 | Zdeněk Dvořák Colouring of graphs, Part II |
23/10/2018 | Martina Mockovčiaková Hamilton cycles in leapfrog fullerene graphs |
16/10/2018 | Zdeněk Dvořák Colouring of graphs, Part I |
9/10/2018 | Borut Lužar 3-choosability of planar graphs with maximum degree 4 |
2/10/2018 | Takamasa Yashima Properly colored 2-factor theorem and its future prospects |
25/9/2018 | Chris Purcell Boundary classes of graphs |
15/5/2018 | Jan Ekstein Revisiting the Hamiltonian Theme in the Square of a Block --- a history and new progress |
24/4/2018 | Přemek Holub S-pakovací barvení grafů |
27/3/2018 | Petr Vrána The Hamilton-connectedness of 3-connected claw-free N1,1,5-free graphs |
20/3/2018 | Dan Kráľ (University of Warwick) The step Sidorenko property and non-norming edge-transitive graphs |
13/3/2018 | Peter Zeman Discrete and fast Fourier transform made clear using linear algebra |
6/3/2018 | Zdeněk Ryjáček Weak coloring of line graphs |
27/2/2018 | Tomáš Kaiser Schrijver graphs and edge-criticality |
12/12/2017 | Marthe Bonamy (LaBRI, Bordeaux) Partitioning the vertices of a torus into isomorphic subgraphs |
5/12/2017 | Mária Nedelová Classification of edge-transitive maps |
28/11/2017 | Roman Nedela Hamiltonicity in 'symmetrical' graphs and maps |
21/11/2017 | Jakub Teska Intersecting many longest paths in a connected graph |
14/11/2017 | Adam Kabela Deciding Hamiltonicity by Max-Flow Min-Cut for cactus-like graphs |
7/11/2017 | Petr Vrána Closure for {K1,4, K1,4 + e}-free graphs |
31/10/2017 | Dalibor Froncek (University of Minnesota Duluth, USA) Decompositions of complete bipartite graphs into prisms revisited |
24/10/2017 | Martina Mockovčiaková Star edge-coloring of subcubic graphs |
17/10/2017 | Elham Aboomahigir (Tarbiat Modares University, Iran) The domination number of the intersection graph of subgroups of a group |
26/9/2017 | Edita Rollová Perfect matchings in highly cyclically connected regular graphs |
12/9/2017 | Peter Zeman On H-topological intersection graphs |
16/5/2017 | Dan Kráľ (University of Warwick) Uniqueness of optimal configurations in extremal combinatorics |
9/5/2017 | Adam Kabela Tough planar graphs with short longest cycles |
2/5/2017 | Endre Csóka (Alfréd Rényi Institute of Mathematics, Hungary) Kőnig's line coloring and Vizing's theorems for graphings |
25/4/2017 | Tomáš Kaiser On the Penrose polynomial of graphs |
18/4/2017 | Liming Xiong (Beijing Institute of Technology, China) Degree sums of adjacent vertices and hamiltonian properties |
28/3/2017 | Martina Mockovčiaková How many symbols for /k/-Thue sequences? |
21/3/2017 | Přemek Holub Anti-Ramsey theory for bipartite graphs |
14/3/2017 | Jan Volec (McGill University, Canada) Bounded colorings of graphs and hypergraphs |
7/3/2017 | Shipeng Wang (Beijing Institute of Technology, China) Forbidden subgraphs for connectivity and supereulerian properties of graphs |
28/2/2017 | Roman Nedela Harmonic morphisms of graphs |
13/12/2016 | István Estélyi (University of Primorska, Slovenia) On the spectra and symmetries of some Cayley graph-related objects |
6/12/2016 | Marthe Bonamy (LaBRI, Bordeaux) Reed's conjecture and strong edge coloring |
29/11/2016 | Edita Rollová 3-flow with large support |
22/11/2016 | Zdeněk Ryjáček Hamiltonian properties of 3-connected (claw, hourglass)-free graphs |
8/11/2016 | Petr Vrána Thomassen's conjecture in a subclass of K1,4-free graphs |
1/11/2016 | Borut Luzar (FIS Novo Mesto, Slovinsko) The Δ+2-conjecture in incidence coloring of graphs |
25/10/2016 | Tomáš Kaiser The chromatic number of Schrijver graphs and topology |
18/10/2016 | Dipendu Maity (IIS Bangalore) On centrally symmetric maps |
11/10/2016 | Ilia Ponomarenko (Steklov Institute of Mathematics) A short introduction to Babai's quasipolynomial graph isomorphism testing |
27/9/2016 | Edita Rollová Perfect matchings in regular bipartite graphs |
20/9/2016 | Dan Kráľ (University of Warwick) Large graphs and uniqueness of their limits |
10/5/2016 | Moshe Rosenfeld (University of Washington Tacoma, USA) Selected problems in graph theory |
3/5/2016 | Martina Mockovčiaková Four ways to introduce strong edge-coloring |
26/4/2016 | Maria Saumell Stabbing lines, circles, and the relation to cluster Voronoi diagrams |
19/4/2016 | Martin Škoviera (Comenius University in Bratislava) Permutation snarks |
5/4/2016 | Petr Vrána On a closure concept for a subclass of the class of K1,4-free graphs |
15/3/2016 | Roman Nedela Cubic graphs that are critical with respect to cyclic connectivity |
8/3/2016 | Edita Rollová New proof of Seymour's 6-flow theorem |
16/2/2016 | Adam Kabela Toughness and Hamiltonicity of special graph classes |
8/12/2015 | Robert Lukoťka (Comenius University in Bratislava) Short cycle covers of weighted cubic graphs |
1/12/2015 | Adam Kabela Hamiltonian cycles in tough chordal graphs |
24/11/2015 | Zdeněk Ryjáček Characterization of graphs with exclusive sum labeling |
10/11/2015 | Ilkyoo Choi (KAIST, Daejeon, Korea) Progress towards conjectures on chi-bounded families |
3/11/2015 | Maxim Limonov (Novosibirsk State University) Harmonic morphisms of graphs as 1-dimension analogue of holomorphic maps of Riemann surfaces |
27/10/2015 | Ping Hu (University of Warwick) Extremal graph theory |
13/10/2015 | Tomáš Kaiser Circuits, matchings and flows in cubic graphs |
29/9/2015 | Nicolas Gastineau (Universite Bourgogne Franche-Comte) S-packing coloring of paths and grids and dichotomies properties on computational complexity of S-packing coloring problem |
22/9/2015 | Jonathan Noel (University of Oxford) Extremal Bounds for Bootstrap Percolation in the Hypercube |
16/6/2015 | Shinya Fujita (Yokohama City University) Some results on covering vertices by monochromatic subgraphs in edge-colored graphs |
26/5/2015 | Joe Ryan (University of Newcastle) An overview of graph irregularity strengths |
20/5/2015 | Bernard Lidický (Iowa State University) Precoloring distant vertices in triangle-free planar graphs |
12/5/2015 | Jan Hladký (Institute of Mathematics, Academy of Sciences of the Czech Republic) f-vectors of flag complexes |
28/4/2015 | Pavol Hell (Simon Fraser University, Burnaby) Forbidden structure characterizations of interval and circular arc graphs |
14/4/2015 | Liming Xiong (Beijing Institute of Technology) An extension of the Chvatal-Erdos theorem: Counting the number of maximum independent sets |
7/4/2015 | Kenta Ozeki (National Institute of Informatics, Tokyo) A set (g,f)-factor in graphs and its application |
3/3/2015 | Tomáš Kaiser My favourite open problems |
9/12/2014 | Dan Kráľ (University of Warwick) Finitely describable combinatorial limits |
2/12/2014 | Maria Saumell Peeling potatoes near-optimally in near-linear time and Mirka Miller Radial Moore graphs |
25/11/2014 | Martina Mockovčiaková Generalization of linear and cyclic nonrepetitive sequences |
11/11/2014 | Novi Herawati Bong (Newcastle) EX graphs and Sudeep Stephen (Chennai) Power domination |
4/11/2014 | Lluis Vena (Charles University) Deducing an arithmetic removal lemma from the removal lemma for hypergraphs and its applications |
21/10/2014 | Diana Piguet A density Corradi-Hajnal theorem |
14/10/2014 | Kristiana Wijaya (University of Newcastle) On Ramsey minimal graphs |
7/10/2014 | Cyriac Grigorious (University of Newcastle) On conditional resolving sets of graphs |
30/9/2014 | Joe Ryan (University of Newcastle) Totally antimagic total graphs |
23/9/2014 | Ingo Schiermeyer (TU Freiberg) Deciding 4-colourability for (P6, Z1)-free graphs |
27/5/2014 | Laszlo M. Lovasz (Massachusetts Institute of Technology) The height of the tower in Szemerédis regularity lemma |
20/5/2014 | Eckhard Steffen (University of Paderborn) Circular flows |
13/5/2014 | Liming Xiong (Beijing Institute of Technology) Factors of graphs |
29/4/2014 | Edita Rollová What is the maximum order of a planar signed clique? |
22/4/2014 | Binlong Li Forbidden subgraphs for hamiltonicity of 1-tough graphs |
1/4/2014 | Diana Piguet (University of Birmingham) An approximate version of the tree packing conjecture for bounded degree trees |
25/3/2014 | Matěj Stehlík (Université Joseph Fourier, Grenoble) Odd cycle transversals of fullerenes |
11/3/2014 | Ilkyoo Choi (University of Illinois Urbana-Champaign) Variations of coloring of toroidal graphs |
4/3/2014 | Robert Lukotka (University of Trnava) 2-factors in cubic graphs |
25/2/2014 | Nico Van Cleemput Graph generation methods |
18/2/2014 | Tomáš Kaiser Hamilton cycles and toughness in interval and chordal graphs |
11/2/2014 | Martina Mockovčiaková Distance constrained edge colorings of graphs |
10/12/2013 | Binlong Li The Ramsey number of paths versus wheels |
3/12/2013 | Roman Čada Forbidden subgraphs for hamiltonicity of 3-connected K1,4-free graphs |
26/11/2013 | Zdeněk Ryjáček Forbidden triples for rainbow connection |
19/11/2013 | Nico Van Cleemput On Hamilton cycles in triangulations |
5/11/2013 | Zur Izhakian (Bar Ilan University, Ramat-Gan, Israel) A glimpse on supertropical algebra and Halina Bielak (UMCS, Lublin, Poland) Ramsey numbers for graphs |
22/10/2013 | Edita Rollová Covering signed graphs with signed circuits |
8/10/2013 | Maria Saumell Extending partial representations of proper and unit interval graphs |
24/9/2013 | Tomáš Kaiser Barevnost kvadrangulaci projektivnich prostoru |
3/7/2013 | Binlong Li Heterochromatic triangles in colored graphs and Bo Ning Directed C4s in oriented bipartite graphs |
14/5/2013 | Zdeněk Ryjáček Duhova souvislost a zakazane podgrafy |
7/5/2013 | Edita Rollová O clanku L. M. Lovasz, C. Thomassen, Y. Wu a C.-Q. Zhang: Nowhere-zero 3-flows and modulo k-orientations |
30/4/2013 | Jan Brousek Traceabilita v 2-souvislych grafech |
9/4/2013 | Moshe Rosenfeld (University of Washington Tacoma) Erdos is 100 years old. Some work we did with my students in Vietnam |
2/4/2013 | Kenta Ozeki (National Institute of Informatics, Tokyo) Tutte cycles in graphs on surfaces |
19/3/2013 | Edita Rollová Nenulove toky v sikmych kartezskych soucinech grafu |
26/2/2013 | Tomáš Kaiser O grupove souvislosti grafu - hlavni otevrene problemy v teto oblasti a jejich kontext |
19/2/2013 | Zdeněk Ryjáček Indukovane podgrafy zarucujici stabilitu hamiltonovske souvislosti |
12/2/2013 | Edita Rollová Homomorfismy signovanych grafu |
4/12/2012 | Michal Hanzlík Grafove problemy s logaritmickou prostorovou slozitosti |
27/11/2012 | Jan Ekstein Hledani hamiltonovskych kruznic v druhe mocnine grafu z eulerovskych tahu v multigrafech |
20/11/2012 | Tobias Müller (Universiteit Utrecht) First order logic and random graphs |
13/11/2012 | Jan Brousek Zakazane podgrafy a cyklicke vlastnosti grafu |
6/11/2012 | Mirka Miller Whats New in the Degree/Diameter Problem |
30/10/2012 | Jaroslav Šídlo Vector coloring |
23/10/2012 | Anita Abildgaard Sillasen (Aalborg Universitet) Some problems related to the Degree/Diameter Problem |
16/10/2012 | Arthur Hoffmann Ostenhof (TU Wien) On Problems related to the Circuit Double Cover Conjecture |
2/10/2012 | Přemek Holub Referat o barevnosti claw-free grafu bez velkych uplnych podgrafu |
25/9/2012 | Tomáš Kaiser Algebraicke souvislosti vety o ctyrech barvach |
15/5/2012 | Mirka Miller Open Problems in the Degree/Diameter Problem, Part II |
9/5/2012 | Thomas Kalinowski (Universitaet Rostock) Maximal antichains in the Boolean lattice |
2/5/2012 | Dominique Buset (Universite Libre de Bruxelles) Some topics related to the degree/diameter problem |
24/4/2012 | Moshe Rosenfeld (University of Washington Tacoma, USA) The Odd-Distance Graph |
17/4/2012 | Přemek Holub Maximalni podgrafy s omezenim na stupen a diametr |
10/4/2012 | Roman Glebov (Freie Universitaet Berlin) Conflict-free coloring of graphs |
3/4/2012 | Roman Čada Nejdelsi kruznice ve 2-faktorech |
13/3/2012 | Zdeněk Ryjáček Distancne lokalne nesouvisle grafy |
6/3/2012 | Giuseppe Mazzuoccolo (Universita di Modena) Covering a graph with matchings of fixed size |
28/2/2012 | Tomáš Kaiser Podrozdeleni Petersenova grafu v permutacnich grafech |
14/2/2012 | Riste Škrekovski (University of Ljubljana) Some recent results on fullerene graphs |
6/12/2011 | Šárka Petříčková Vrcholové barvení frakcionálních mocnin grafu |
16/12/2011 | Jan Vaněk (KKY ZČU Plzeň) Programování s CUDA |
29/11/2011 | Petr Vrána Tutteovy kružnice v 4-souvislých hranových grafech |
22/11/2011 | Andrew Treglown (University of Birmingham, MFF UK) Embedding spanning bipartite graphs of small bandwidth |
1/11/2011 | Jiří Fiala (MFF UK) Problém k-na-cestě na spáruprostých grafech |
25/10/2011 | Mirka Miller Open Problems in the Degree/Diameter Problem Area |
18/10/2011 | Tomáš Kaiser Referát o článku C. Payana a M. Sakarovitche o indukovaných stromech v cyklicky 4-souvislých kubických grafech z roku 1975 |
11/10/2011 | Joe Ryan (University of Newcastle, Australie) Exclusive sum labellings of trees |
4/10/2011 | Mirka Miller Extremal graphs with forbidden cycles |
20/9/2011 | Tomáš Kaiser Duhová souvislost 2-souvislých grafů |
12/4/2011 | Moshe Rosenfeld (University of Washington, Tacoma, USA) The odd distance graph |
5/4/2011 | Petr Vrána Uzávěr pro 1-hamiltonovskou souvislost |
29/3/2011 | Mirka Miller Latest Results in the Degree/Diameter Problem |
20/3/2011 | Demetres Christofides (Institut teoretické informatiky, MFF UK) Hamilton cycles in dense vertex transitive graphs |
15/3/2011 | Ross Kang (University of Durham, UK) Improper choosability and Property B |
1/3/2011 | Shuya Chiba (Tokyo University of Science, Japonsko) 2-factors of claw-free graphs |
22/2/2011 | Matěj Stehlík (CNRS, Grenoble) Simultální barvení rovinných grafů |
26/1/2011 | Guillermo Pineda Villavicencio (University of Ballarat, Australie) Hamiltonicity of Cayley and vertex-transitive graphs and certain graph covers |
14/12/2010 | Zdeněk Ryjáček Stabilita a stabilizátory |
23/11/2010 | Radek Slíva Antimagické číslování grafů |
30/11/2010 | Petr Vrána S-hamiltonovská souvislost hranových grafů |
16/11/2010 | Khikmat Saburov Hamiltonovské vlastnosti 3-souvislých claw-free grafů |
2/11/2010 | Šárka Petříčková Online Ramseyova teorie |
26/10/2010 | Ingo Schiermeyer (TU Freiberg, Německo) Rainbow connectivity of graphs |
19/10/2010 | Tomáš Kaiser Vertex suppression in 3-connected graphs |
12/10/2010 | Přemek Holub Rainbow Connection |
21/9/2010 | Oudone Phanalasy (University of Newcastle, Australie) Completely separating systems and antimagic labeling of regular and non-regular graphs |
4/5/2010 | V. Jungic (Simon Fraser University, Kanada) Some open problems in combinatorics |
27/4/2010 | Ondřej Rucký M. Chudnovski, A. O. Fradkin: An approximate version of Hadwiger's conjecture for claw-free graphs II |
20/4/2010 | Ondřej Rucký M. Chudnovski, A. O. Fradkin: An approximate version of Hadwiger's conjecture for claw-free graphs |
16/3/2010 | Petr Vrána Hamiltonovská souvislost 3-souvislých claw-free grafů |
6/4/2010 | Přemek Holub Interlace polynom speciálních tříd grafů I |
13/4/2010 | Přemek Holub Interlace polynom speciálních tříd grafů II |
2/3/2010 | Milan Petrík (Ústav informatiky AV ČR) Asociativita úplně uspořádáných monoidů z pohledu web geometry |
23/2/2010 | Zdeněk Ryjáček Zobecněná sluníčka a stabilita dědičných tříd |
3/11/2009 | Zdeněk Ryjáček Zakazáné podgrafy pro hamiltonovskou souvislost |
10/11/2009 | Jan Ekstein, Přemek Holub Pakovací barvení grafů |
20/10/2009 | Roman Čada Vizingova hypotéza o dominanci grafových součinů |
13/10/2009 | Daniel Král' (MFF UK, ITI) Removal lemma pro soustavy lineárnich rovnic |
6/10/2009 | Petr Vrána O uzávěru claw-free grafů zachovávající hamiltonovskou souvislost |
22/9/2009 | Tomáš Kaiser Hamiltonovské kružnice v 5-souvislých hranových grafech |
15/9/2009 | Liming Xiong (Beijing Institute of Technology) The branch-bond concept and graph properties |
24/6/2009 | Bharati Rajan (Loyola College (Chennai, Indie)) On Minimum Metric Dimension of Architectures |
24/6/2009 | Indra Rajasingh (Loyola College (Chennai, Indie)) Exact Wirelength of an Embedding |
12/5/2009 | Tomáš Kaiser Diracova věta pro k-trestles |
5/5/2009 | Jan Brousek Vybrana témata z teorie grafů |
28/4/2009 | Roman Čada Úvod do komplexnější komplexity - polynomiální hierarchie |
21/4/2009 | Josef Weinreb (KIV ZČU Plzeň) Nezastupitelná role indukované P4 v teorii grafů |
14/4/2009 | Zdeněk Ryjáček Vyplývá z Thomassenovy hypotézy P=NP? |
31/3/2009 | Khikmat Saburov Uzávěr a zakázané podgrafy pro 2-faktory |
17/3/2009 | Zdeněk Ryjáček Uzávěr pro 2-faktory v claw-free grafech |
10/3/2009 | Kiyoshi Yoshimoto (Nihon University, Tokio, Japonsko) Claw-free graphs and 2-factors that separate independent vertices |
3/3/2009 | Andrew King (McGill University, Montreal, Kanada) Bounding the chromatic number of claw-free graphs |
24/2/2009 | Zdeněk Ryjáček O NP-úplnosti Hamiltonovského indexu grafů |
9/12/2008 | R. Erman (Univerza v Ljubljani, Slovinsko) Long cycles in fullerenes |
2/12/2008 | Roman Čada O rozdělování grafu cestou |
18/11/2008 | Radek Slíva List Coloring Conjecture |
11/11/2008 | Petr Vrána Hranové grafy multigrafu a jednoznačnost originálu |
4/11/2008 | Zdeněk Ryjáček O jednoznačnosti uzávěrových operací |
21/10/2008 | Dalibor Fronček (University of Minnesota, Duluth, USA) Magic type labelings and incomplete round robin tournaments |
30/9/2008 | Tomáš Kaiser Silný chromatický index grafu |
13/5/2008 | Jan Ekstein Referát k článku: A. D. King, B. A. Reed and A. Vetta: An upper bound for the chromatic number of line graphs |
29/4/2008 | S. Petříčková a M. Bizzarri Grafové hry |
22/4/2008 | Khikmat Saburov Referát k článku: M. Chudnovsky, P. Seymour: The roots of the independence polynomial of a claw-free graph |
15/4/2008 | Přemek Holub Distanční barevnost grafu |
8/4/2008 | Tomáš Kaiser Intervalové barvení bipartitiních grafů |
25/3/2008 | Roman Kužel Referát o článku: M.N. Ellingham, X. Zha, Y. Zhang: Spanning 2-trails from degree sum conditions |
11/3/2008 | Jan Ekstein Hamiltonovské kružnice v mocninách grafů a jejich vztah k blokovým stromům |
12/2/2008 | Daniel Král' (MFF UK Praha) Fullereny - grafy ve službách chemie |
26/2/2008 | Zdeněk Ryjáček Vlastnosti Cl2 uzávěru v claw-free grafech II |
19/2/2008 | Petr Vrána Vlastnosti Cl2 uzávěru v claw-free grafech I |
4/3/2008 | Ruslan Gumerov Hamiltonicita CN_{i,j,k}-free grafů |
11/12/2007 | Tomáš Kaiser Disjunktní Hamiltonovské kružnice v hvězdových grafech |
4/12/2007 | Jakub Teska Referat k clanku S. Wina II: On a connection between the existence of k-trees and the toughness of a graph |
27/11/2007 | Jakub Teska Referat k clanku S. Wina: On a connection between the existence of k-trees and the toughness of a graph |
6/11/2007 | Jan Brousek 2,4-faktory v claw-free grafech |
30/10/2007 | Khikmat Saburov Úvodní referát k článku: M. Chudnovsky and P. Seymour: The structure of claw-free graphs II |
23/10/2007 | Khikmat Saburov Úvodní referát k článku: M. Chudnovsky and P. Seymour: The structure of claw-free graphs |
16/10/2007 | Jakub Teska New results on trestles |
2/10/2007 | Guillermo Pineda-Villavicencio (University of Ballarat, Australia; University of Oriente, Cuba) New results on the degree/diameter and other related problems |
25/9/2007 | Snaming Zhou (The University of Melbourne, Australia) Classification of a family of finite symmetric graphs |
24/4/2007 | Jakub Teska Toughness treshold for the existence of a 2-walk in K_4-minor free graphs |
10/4/2007 | J. Basl, V. Skocil, J. Tupa (FST, FEL ZČU Plzeň) Možnosti aplikace teorie grafů a diskrétní optimalizace pro řízení technologických a diagnostických procesů v elektrotechnice |
17/4/2007 | Jan Brousek Minimální claw-free grafy |
3/4/2007 | Petr Vrána Kvazi-hranové grafy a uzávěr |
27/3/2007 | S. Petříčková, M. Bizzarri Hry na grafech |
20/3/2007 | Ruslan Gumerov Aplety pro demosntraci grafových algoritmů |
13/3/2007 | Roman Čada Optimalizace rozsáhlých úloh |
6/3/2007 | Ondřej Rucký Ergodická teorie a souvislost s kombinatorickou teorií čísel II |
27/2/2007 | Ondřej Rucký Ergodická teorie a souvislost s kombinatorickou teorií čísel I |
13/2/2007 | Tomáš Kaiser Základy Ramseyovy teorie |
12/12/2006 | Zdeněk Ryjáček Dva zajímavé problémy v hamiltonovské teorii grafů |
5/12/2006 | Roman Kužel A Closure Concept in K_{1,r}-free Graphs |
4/12/2006 | prof. Jiří Matoušek (ITI MFF UK Praha) Voroneho diagramy s neutralní zónou |
28/11/2006 | Tomáš Kaiser Perfektní párováni s prázdným průnikem |
21/11/2006 | Roman Čada Transformace kubických grafů a otevřené problémy jejich faktorizaci |
20/2/2007 | Jana Flašková Ultrafiltry a malé množiny |
14/11/2006 | Ondřej Rucký Duhovost hypergrafu |
7/11/2006 | Petr Vrána Nepancyklické grafy s úplným uzávěrem |
24/10/2006 | Jianmin Tang (University of Ballarat, Australie) Hybrid Simulated Annealing and Genetic Algorithm for the Degree-Diameter Problem |
24/10/2006 | Guillermo Pineda-Villavicensio (University of Oriente, Kuba; University of Ballarat, Australie) On the degree/diameter problem for both bipartite and non-bipartite graphs |
3/10/2006 | Jan Brousek Hamiltonicita a zakázané podgrafy |
18/5/2006 | Ruslan Gumerov Kontrahovatelné podgrafy a zakázané indukované podgrafy |
4/5/2006 | Jan Ekštein Hamiltonovské kružnice v mocninách grafu |
29/3/2006 | Zdeněk Ryjáček Maximal nontraceable graphs |
16/3/2006 | Roman Kužel k-walks in bridgeless graphs |
23/3/2006 | Jan Brousek Zobecněné Claw-free grafy |
9/3/2006 | Přemysl Holub 2-distanční barvení kartézského produktu grafu |
2/3/2006 | Roman Čada Faktory v kubických grafech |
23/2/2006 | Zdeněk Ryjáček Arbirtatily Vertex Decomposable Graphs |
16/2/2006 | Sylwia Cichacz (AGH Krakow, Poland) Decompositions of graphs into closed trails of even size |
26/1/2006 | Stanislav Jendroľ (Univerzita P. J. Šafarika v Košicích, SR) Duhovost semiregularných rovinných grafov |
9/1/2006 | Joe Ryan (University of Ballarat, Australia) Structure and Properties of Eccentric Digraphs |
9/1/2006 | Mirka Miller (University of Ballarat, Australia) Security Problem of Statistical Databases and Combinatorics of Finite Sets |
14/12/2005 | Vrána Petr Dominujicí kružnice a podgrafy |
30/11/2005 | Kužel Roman Trestly v grafech bez K(1,r) |
16/11/2005 | Čada Roman Optimalizace meziměstské autobusové dopravy |
2/11/2005 | Ryjáček Zdeněk Zakázané dvojice indukovaných podgrafů pro existenci 2-faktoru |
26/10/2005 | Kaiser Tomáš Perfektní párování v kubických grafech a Berge-Fulkersonova hypotéza |
12/10/2005 | Holub Přemysl Stabilní dvojice pro hranový uzávěr II. |
5/10/2005 | Holub Přemysl Stabilní dvojice pro hranový uzávěr I. |
18/5/2005 | Roman Čada Stabilita hamiltonovského hranolu při claw-free uzávěru |
4/5/2005 | Riste Škrekovski (univerzita v Lublani (Slovinsko)) Coloring the square of planar graphs |
27/4/2005 | prof. Mayer Teorie grafů a elektrické obvody II |
20/4/2005 | Zdeněk Ryjáček Teorie grafů a elektrické obvody |
16/4/2005 | Tomáš Kaiser Nezávislé systémy reprezentantů |
30/3/2005 | Ondřej Rucký Cesty v orientovaných grafech |
23/3/2005 | Teska Jakub 2-sledy v chordálních grafech |
16/3/2005 | Jan Borusek, Přemek Holub Modifikace Claw-free uzávěru |
2/3/2005 | Zdeňek Ryjáček 3-trestles in 2-connected claw free graphs |
16/2/2005 | Jungic Veselin (Simon Fraser University (Burnaby, BC, Kanada)) On Brown's conjecture on accessible sets |
7/1/2005 | Joe Ryan (University of Ballarat, Australia) The Train Marshalling Problem |
7/1/2005 | Mirka Miller (University of Ballarat, Australia) Optimal Networks |
15/12/2004 | Petr Vrána Dominující kružnice v A-kontrahovatelných grafech |
24/11/2004 | Francois Genest (LRI Orsay, Francie) Covering stable set of black vertices in some simple graphs |
3/11/2004 | Jan Brousek Distanční lokální souvislost grafů |
27/10/2004 | Tomáš Kaiser Cykly a řezy v grafech |
20/10/2004 | Zdeněk Ryjáček Chybějící délky kružnic v grafech s úplným uzávěrem |
6/10/2004 | Ingo Schiermeyer (Technische Universitat Bergakademie Freiberg, Germany) Colorings of graphs |
28/4/2004 | Jakub Teska Kostry v grafech |
21/4/2004 | Zdeněk Ryjáček Kostry s malým počtem uzlů vyššího stupně v k-tuhých grafech. |
24/3/2004 | Milan Kučera (MFF UK, Praha) Výukové applety pro diskrétní matematiku |
31/3/2004 | Zdeněk Ryjáček Výukové applety pro diskrétni matematiku |
7/4/2004 | Přemysl Holub Hamiltonian index, part I. |
14/4/2004 | Přemysl Holub Hamiltonian index, part II. |
17/3/2004 | Libuše Tesková Grafy s celými vlastnimi cisly |
10/3/2004 | Jakub Teska článek Splitting and contractible edges... (A. Saito), část II. |
3/3/2004 | Jakub Teska článek Splitting and contractible edges... (A. Saito) |
10/11/2003 | Premysl Holub Barevnost claw-free grafu |
3/11/2003 | Roman Čada Kosterní grafy |
20/10/2003 | Tomáš Kaiser Kruhová barevnost hranových grafů |
13/10/2003 | Jan Brousek Stabilita C,E-free grafů |
6/10/2003 | Jakub Teska Diplomová práce |
25/4/2003 | Tomáš Kaiser Discharging a barvení rovinných grafů |
14/3/2003 | Libuše Tesková Vlastní čísla grafů - dokončení |
7/3/2003 | Libuše Tesková Vlastní čísla grafů |
19/12/2002 | Roman Kužel A note on the Thomassen conjecture |
18/12/2002 | Kňourek, Kužel, Sitera Clustery na ZČU |
12/12/2002 | Přemek Holub Distance coloring and distance local connectivity |
5/12/2002 | Roman Čada Algoritmy s linearní složitostí pro třídu claw-free a net-free grafů |
28/11/2002 | Zdeňek Ryjáček Sum Labellings |
14/11/2002 | Chuanping Chen Discrete mathematics in China |
7/11/2002 | Roman Čada Dominating Cycles in DCT Graphs |
10/10/2002 | Tomas Kaiser Spanning spiders |
3/10/2002 | Joe Ryan (University of Newcastle, Australia) Iterations of eccentric digraphs |
3/10/2002 | Mirka Miller (University of Newcastle, Australia) Degree/Diameter problem |