Results 11 to 20 of about 1,028,037 (267)

Rainbow Connection Number and Connectivity [PDF]

open access: yesThe Electronic Journal of Combinatorics, 2012
The rainbow connection number, $rc(G)$, of a connected graph $G$ is the minimum number of colors needed to color its edges, so that every pair of vertices is connected by at least one path in which no two edges are colored the same. Our main result is that $rc(G)\leq \lceil\frac{n}{2}\rceil$ for any 2-connected graph with at least three vertices.
Xueliang Li 0001   +4 more
openaire   +3 more sources

Connection, Connection, Connection… [PDF]

open access: yesScience, 2013
[Read the Introduction to this Special Section][1] ![Figure][2] CREDIT: VAN J. WEDEEN, AAPO NUMMENMAA, RUOPENG WANG, AND LAWRENCE L. WALD/MARTINOS CENTER FOR BIOMEDICAL IMAGING, MASSACHUSETTS GENERAL HOSPITAL There are approximately 86 billion neurons in the human brain.
openaire   +1 more source

Connected and connectivity multifunctions [PDF]

open access: yesProceedings of the American Mathematical Society, 1977
Conditions are given under which multifunctions which preserve connected sets will have a connected graph.
openaire   +2 more sources

Study on the Microstructure and Mechanical Properties of 60NiTi Alloy Quenched by Hot Oil

open access: yesMetals, 2022
60NiTi alloys have a tremendous potential to be used in aerospace, marine and automotive industries. There is still a need to further improve the deformability due to the high brittleness of the previously prepared 60NiTi.
Jie Zhou   +6 more
doaj   +1 more source

The Theory of Connections: Connecting Points [PDF]

open access: yesMathematics, 2017
This study introduces a procedure to obtain all interpolating functions, y = f ( x ) , subject to linear constraints on the function and its derivatives defined at specified values. The paper first shows how to express these interpolating functions passing through a single point in three distinct ways: linear, additive, and rational. Then, using
openaire   +4 more sources

Finite time adaptive synchronous control for fractional‐order chaotic power systems

open access: yesIET Generation, Transmission & Distribution, 2023
As a complex non‐linear system, the chaotic oscillation of power system seriously threatens the safe and stable operation of power grids. In this paper, a finite time adaptive synchronization control method is proposed to mitigate the problem of chaotic ...
Chunyu Ai   +3 more
doaj   +1 more source

Correction to “Dynamic Security and Stability Region Under Different Renewable Energy Permeability in IENGS System”

open access: yesIEEE Access, 2021
In the above article [1], in the Acknowledgment section, the authors would like to express sincere gratitude to Jinhai Yang for his contribution in simulation work, which helps to achieve data, as listed in Tables 1–4.
Saniye Maihemuti   +4 more
doaj   +1 more source

Examining human-animal interactions and their effect on multidimensional frailty in later life: a scoping review

open access: yesFrontiers in Public Health, 2023
This scoping review sought to compile outcomes associated with any human-animal interaction study regarding adults aged 50 and older in any living context and concerning a multidimensional (i.e., physical, psychological, cognitive, and social ...
Ashley Taeckens   +3 more
doaj   +1 more source

Identifying latent activity behaviors and lifestyles using mobility data to describe urban dynamics

open access: yesEPJ Data Science, 2023
Urbanization and its problems require an in-depth and comprehensive understanding of urban dynamics, especially the complex and diversified lifestyles in modern cities.
Yanni Yang, Alex Pentland, Esteban Moro
doaj   +1 more source

Punishment to Support: The Need to Align Animal Control Enforcement with the Human Social Justice Movement

open access: yesAnimals, 2020
Due to inherent and systemic biases, animal control policies in the US are over-enforced in low-income communities and communities of color, resulting in worse health outcomes for the pets in these communities.
Sloane M. Hawes   +2 more
doaj   +1 more source

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