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On the enumeration of tanglegrams and tangled chainsBilley, Sara C. ; Konvalinka, Matjaž ; Matsen, Frederick A., IVPrepletogrami so razred grafov, ki izvirajo iz teoretičnega računalništva in bioloških raziskav na področju kospeciacije in koevolucije. Nastanejo z identifikacijo listov dveh dvojiških dreves s ... korenom. Podamo eksplicitno formulo za število različnih dvojiških prepletogramov s korenom in ▫$n$▫ prirejenimi listi, zraven pa še preprosto asimptotsko formulo in algoritem za generiranje naključnih prepletogramov. Preštevalno formulo razširimo na preštevanje prepletenih verig dvojiških dreves poljubne dolžine. Rezultat tako da novo formulo za število dvojiških dreves z ▫$n$▫ listi. Predstavimo še domnevo o pričakovanem številu češenj v velikem naključnem prepletogramu in razširitev te domneve na druge tipe dreves.Source: Journal of combinatorial theory. Series A. - ISSN 0097-3165 (Vol. 146, Feb. 2017, str. 239-263)Type of material - article, component partPublish date - 2017Language - englishCOBISS.SI-ID - 17902425
Author
Billey, Sara C. |
Konvalinka, Matjaž |
Matsen, Frederick A., IV
Topics
prepletogrami |
preštevanje |
dvojiška drevesa |
dvojiške razčlenitve |
tanglegrams |
enumeration |
binary trees |
binary partitions
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source: Journal of combinatorial theory. Series A. - ISSN 0097-3165 (Vol. 146, Feb. 2017, str. 239-263)
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Billey, Sara C. | ![]() |
Konvalinka, Matjaž | 22401 |
Matsen, Frederick A., IV | ![]() |
Source: Personal bibliographies
and: SICRIS
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