Results 91 to 100 of about 732,396 (308)

Computing the forgotten topological index of four operations on graphs

open access: yesAKCE International Journal of Graphs and Combinatorics, 2017
For a (molecular) graph, the first Zagreb index is equal to the sum of squares of the degrees of vertices, and the second Zagreb index is equal to the sum of the products of the degrees of pairs of adjacent vertices.
Shehnaz Akhter, Muhammad Imran
doaj   +1 more source

Omega Index of Line and Total Graphs

open access: yesJournal of Mathematics, 2021
A derived graph is a graph obtained from a given graph according to some predetermined rules. Two of the most frequently used derived graphs are the line graph and the total graph.
Musa Demirci   +3 more
doaj   +1 more source

Total Domination in Partitioned Graphs [PDF]

open access: yesGraphs and Combinatorics, 2009
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Frendrup, Allan   +2 more
openaire   +3 more sources

Rab14 regulates the transport of human papillomavirus to the trans‐Golgi network for infectious cell entry

open access: yesFEBS Letters, EarlyView.
This study reveals that the small GTPase Rab14 is necessary for human papillomavirus (HPV) infection and plays an essential role in the transport of virions to the trans‐Golgi network (TGN). HPV in the early endosome (EE), which harbors GTP‐bound Rab14, is transported to the TGN through the switch of Rab14 from its GTP‐bound to GDP‐bound form.
Yoshiyuki Ishii, Iwao Kukimoto
wiley   +1 more source

Antimagic Total labeling of Disjoint Union of Disconnected Graph [PDF]

open access: yes, 2013
YEAR/VOLUME/NUMBER/PAGE:2013/April/Ed IIIA network topology (either communication network in general or a network in a computer) can be modeled as a graph or a directed graph (digraph, for short), where each processing element is represented by a ...
Dafik
core  

An unexpected alternative viologen electron mediator site in tungsten‐containing formate dehydrogenase

open access: yesFEBS Letters, EarlyView.
An unexpected alternative interaction site for ethyl viologen was identified in formate dehydrogenase 1 from Methylorubrum extorquens. Combined mutagenesis, kinetic analysis, and docking revealed that aromatic residues near an iron–sulfur cluster enable flavin mononucleotide‐independent electron transfer, offering a framework for engineering improved ...
Eleni G. Poloniataki, Yong Hwan Kim
wiley   +1 more source

Enumeration of connected graph coverings [PDF]

open access: yes, 2019
The number of the isomorphism classes of n-fold coverings of a graph G is enumerated by the authors (Canad. J. Math. XLII (1990), 747-761) and Hofmeister (Discrete Math. 98 (1991), 275-183).
Kwak, JH, Lee, J
core   +1 more source

On the total k-domination in graphs

open access: yesDiscussiones Mathematicae Graph Theory, 2018
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Sergio Bermudo   +2 more
openaire   +3 more sources

On Group Choosability of Total Graphs [PDF]

open access: yesGraphs and Combinatorics, 2011
In this paper, we study the group and list group colorings of total graphs and we give two group versions of the total and list total colorings conjectures. We establish the group version of the total coloring conjecture for the following classes of graphs: graphs with small maximum degree, two-degenerate graphs, planner graphs with maximum degree at ...
Hong-Jian Lai   +2 more
openaire   +2 more sources

Cell geometry and membrane protein crowding constrain Escherichia coli growth rate, overflow metabolism, respiration, and maintenance energy

open access: yesFEBS Letters, EarlyView.
The physical dimensions and shape of bacterial cells define the surface area available to acquire nutrients and the volume available for synthesizing proteins and DNA. Here, we use computational systems biology to decode the importance of cell geometry as a major determinant of prokaryotic phenotype, including growth rate and metabolic efficiency. This
Ross P. Carlson   +6 more
wiley   +1 more source

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