Results 41 to 50 of about 72,244 (231)

Extremal Edge-Girth-Regular Graphs

Graphs and Combinatorics, 2021
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Ajda Zavrtanik Drglin, Slobodan Filipovski, Robert Jajcay, Tom Raiman   +3 more
openaire   +3 more sources

A contribution to the anatomy of two rare cetacean species: The hourglass dolphin (Cephalorhynchus cruciger) and the spectacled porpoise (Phocoena dioptrica)

The Anatomical Record, EarlyView.
Abstract The anatomical description of the hourglass dolphin (Cephalorhynchus cruciger) and the spectacled porpoise (Phocoena dioptrica) remains largely unexplored, due to limited specimen availability and preservation challenges. This study employed digital imaging techniques, conventional histology, and computed tomography to provide visualization of
Jean‐Marie Graïc, Tommaso Gerussi, Bruno Cozzi, Rebecca M. Boys, Brian Chin Wing Kot, Matthew R. Perrott, Kane Fleury, Tabris Yik To Chung, Henry Chun Lok Tsui, Emma Burns, Trudi Webster, Stuart Hunter, Emma L. Betty, Odette Howarth, Carolina Loch, Sophie White, Steve Dawson, William Rayment, Ros Cole, Derek Cox, Tom Waterhouse, Hannah Hendriks, Anton van Helden, Muriel Johnstone, Ramari Oliphant Stewart, R. Ewan Fordyce, Karen A. Stockin   +26 more
wiley   +1 more source

On Unicyclic Graphs with Minimum Graovac–Ghorbani Index

Mathematics
In discrete mathematics, graph theory is the study of graphs, which are mathematical structures used to model pairwise relations between objects.
Snježana Majstorović Ergotić
doaj   +1 more source

Tanner $(J,L)$ Quasi-Cyclic LDPC Codes: Girth Analysis and Derived Codes

IEEE Access, 2019
Girth plays an important role in the design of low-density parity-check (LDPC) codes. Motivated by the works on the girth of some classes of Tanner quasi-cyclic (QC) LDPC codes, e.g., Tanner (3, 5), (3, 7), (3, 11), and (5, 7) codes, we, in this paper ...
Hengzhou Xu, Huaan Li, Baoming Bai, Min Zhu, Bo Zhang   +4 more
doaj   +1 more source

Biometric relations of freshwater fishes of the Suaza River (Huila Department, Colombia) [PDF]

Acta Ichthyologica et Piscatoria, 2016
The knowledge of freshwater fishes in remote Andean mountains is scarce and restricted to changes of occurrence distribution along a specific gradient.
I. Tobes, R. Miranda, S. Gaspar, M. Peláez-Rodríguez   +3 more
doaj   +3 more sources

Live Weight and Bone Growth from Birth to 23 Months of Age in Holstein–Friesian, Jersey and Crossbred Heifers

Dairy, 2022
Selection pressure for greater milk solid production, calving ease and early puberty attainment has resulted in the alteration of the growth trajectory of New Zealand dairy heifers.
Michaela J. Gibson, Brooke R. Adams, Penny J. Back, Rebecca E. Hickson, Keren E. Dittmer, Chris W. Rogers   +5 more
doaj   +1 more source

Early evolutionary history of the seed

Biological Reviews, EarlyView.
ABSTRACT The seed is an essential stage in the life history of gymnospermous and angiospermous plants, facilitating both their survival and dispersal. We reappraise knowledge of the evolutionary history of the gymnospermous seed, from its origin in the late Devonian through to the well‐known end‐Permian extinctions – an interval encompassing the ...
Richard M. Bateman, Alan R. T. Spencer, Jason Hilton   +2 more
wiley   +1 more source

Tanner (3, 23)-Regular QC-LDPC Codes: Cycle Structure and Girth Distribution

IEEE Access
This paper studies a class of quasi-cyclic LDPC (QC-LDPC) codes, i.e., Tanner (3, 23)-regular QC-LDPC codes of code length $23p$ with $p$ being a prime and $p \equiv 1 (\mathrm {mod} 69)$ .
Qi Wang, Jingping Che, Huaan Li, Zhen Luo, Bo Zhang, Hui Liu   +5 more
doaj   +1 more source

Domination in 4‐Regular Graphs With No Induced 4‐Cycles

Journal of Graph Theory, EarlyView.
ABSTRACT A set S $S$ of vertices in a graph G $G$ is a dominating set of G $G$ if every vertex not in S $S$ is adjacent to a vertex in S $S$. The domination number of G $G$, denoted by γ ( G ) $\gamma (G)$, is the minimum cardinality of a dominating set in G $G$.
Michael A. Henning, Anders Yeo
wiley   +1 more source

A graph and its complement with specified properties III: girth and circumference

International Journal of Mathematics and Mathematical Sciences, 1979
In this series, we investigate the conditions under which both a graph G and its complement G¯ possess certain specified properties. We now characterize all the graphs G such that both G and G¯ have the same girth.
Jin Akiyama, Frank Harary
doaj   +1 more source