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http://dx.doi.org/10.1016/S0012-365X(98)00090-9
A planarity criterion bipartite graphs. - In: Discrete mathematics, Bd. 191 (1998), 1, S. 31-43
http://dx.doi.org/10.1016/S0012-365X(98)00090-9
Babovsky, Hans;
Die Boltzmann-Gleichung : Modellbildung - Numerik - Anwendungen. - Stuttgart : Teubner, 1998. - 199 S. - (Leitfäden der angewandten Mathematik und Mechanik ; 75) ISBN 3-519-02380-6
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Fabrici, Igor;
Jendrol', Stanislav
Subgraphs with restricted degrees of their vertices in planar 3-connected graphs. - In: Graphs and combinatorics, ISSN 1435-5914, Bd. 13 (1997), 3, S. 245-250
https://doi.org/10.1007/BF03353001
Subgraphs with restricted degrees of their vertices in planar 3-connected graphs. - In: Graphs and combinatorics, ISSN 1435-5914, Bd. 13 (1997), 3, S. 245-250
We have proved that every 3-connected planar graph G either contains a path on k vertices each of which has degree at most 5k or does not contain any path on k vertices; the bound 5k is the best possible. Moreover, for every connected planar graph H other than a path and for every integer m ≥ 3 there is a 3-connected planar graph G such that each copy of H in G contains a vertex of degree at least m.
https://doi.org/10.1007/BF03353001
John, Peter; Gutman, Ivan E.
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Alon, Noga; Tuza, Zsolt; Voigt, Margit
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http://dx.doi.org/10.1016/S0012-365X(96)00159-8
Choosability and fractional chromatic numbers. - In: Discrete mathematics, Bd. 165/166 (1997), S. 31-38
http://dx.doi.org/10.1016/S0012-365X(96)00159-8
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http://dx.doi.org/10.1016/S0012-365X(96)00306-8
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http://dx.doi.org/10.1016/S0012-365X(96)00306-8
Fleischner, Herbert; Stiebitz, Michael
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Voigt, Margit; Wirth, B.
On 3-colorable non-4-choosable planar graphs. - In: Journal of graph theory, ISSN 1097-0118, Bd. 24 (1997), 3, S. 233-235
https://doi.org/10.1002/(SICI)1097-0118(199703)24:3<233::AID-JGT4>3.0.CO;2-Q
On 3-colorable non-4-choosable planar graphs. - In: Journal of graph theory, ISSN 1097-0118, Bd. 24 (1997), 3, S. 233-235
https://doi.org/10.1002/(SICI)1097-0118(199703)24:3<233::AID-JGT4>3.0.CO;2-Q
Hildenbrandt, Regina;
Parametric properties of the transportation problem and relations to supermatroids. - In: Optimization, ISSN 1029-4945, Bd. 39 (1997), 2, S. 165-189
http://dx.doi.org/10.1080/02331939708844280
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http://dx.doi.org/10.1080/02331939708844280
Knobloch, Jürgen;
Bifurcation of degenerate homoclinic orbits in reversible and conservative systems. - In: Journal of dynamics and differential equations, ISSN 1572-9222, Bd. 9 (1997), 3, S. 427-444
http://dx.doi.org/10.1007/BF02227489
Bifurcation of degenerate homoclinic orbits in reversible and conservative systems. - In: Journal of dynamics and differential equations, ISSN 1572-9222, Bd. 9 (1997), 3, S. 427-444
http://dx.doi.org/10.1007/BF02227489