Results 51 to 60 of about 2,418,413 (302)

Modelling stem cell differentiation related processes—A practical overview for biologists

open access: yesFEBS Letters, EarlyView.
Stem cell differentiation is complex and difficult to control experimentally. This review introduces suitable computational modelling approaches that can support stem cell research, from mechanistic ODE and abstract models to multiscale and deep learning methods.
Ricco Zeegelaar   +4 more
wiley   +1 more source

Representation and generation of plans using graph spectra [PDF]

open access: yes, 2007
Numerical comparison of spaces with one another is often achieved with set scalar measures such as global and local integration, connectivity, etc., which capture a particular quality of the space but therefore lose much of the detail of its overall ...
Hanna, S.
core  

Ideal Graph of a Graph [PDF]

open access: yes, 2011
In this paper, we introduce ideal graph of a graph and study some of its properties. We characterize connectedness, isomorphism of graphs and coloring property of a graph using ideal graph.
Manoharan, R., Vasuki, R.
core   +1 more source

A Hybrid Floyd-Warshall and Graph Coloring Algorithm for Finding the Smallest Number of Colors Needed for a Distance Coloring of Graphs [PDF]

open access: yesControl and Optimization in Applied Mathematics
Graph coloring is a crucial area of research in graph theory, with numerous algorithms proposed for various types of graph coloring, particularly graph p-distance coloring.
Hanifa Mosawi   +2 more
doaj   +1 more source

Design and analysis strategies for robust microbiome ageing research

open access: yesFEBS Letters, EarlyView.
The gut microbiome changes with age and associates with age‐related morbidity and mortality, establishing it as a potential biomarker and intervention target for ageing. Realising this potential requires methodological rigour, yet distinguishing biological signals from methodological artefacts remains challenging across cohorts. This review provides an
Mark Olenik   +5 more
wiley   +1 more source

Graph Homomorphism Revisited for Graph Matching [PDF]

open access: yes, 2010
In a variety of emerging applications one needs to decide whether a graph G matches another Gp, i.e., whether G has a topological structure similar to that of Gp. The traditional notions of graph homomorphism and isomorphism often fall short of capturing
Li, Jianzhong   +4 more
core  

Graph edit distance or graph edit pseudo-distance? [PDF]

open access: yes, 2016
Graph Edit Distance has been intensively used since its appearance in 1983. This distance is very appropriate if we want to compare a pair of attributed graphs from any domain and obtain not only a distance, but also the best correspondence between nodes
Serratosa, Francesc   +5 more
core   +1 more source

Reciprocal degree distance of some graph operations [PDF]

open access: yesTransactions on Combinatorics, 2013
The reciprocal degree distance (RDD), defined for a connected graph G as vertex-degreeweighted sum of the reciprocal distances, that is, RDD(G) = u,v∈PV(G) dG(u)+dG(v) dG(u,v) . The reciprocal degree distance is a weight version of the Harary index, just
Kannan Pattabiraman, M. Vijayaragavan
doaj  

Maximum Reciprocal Degree Resistance Distance Index of Unicyclic Graphs

open access: yesDiscrete Dynamics in Nature and Society, 2020
The reciprocal degree resistance distance index of a connected graph G is defined as RDRG=∑u,v⊆VGdGu+dGv/rGu,v, where rGu,v is the resistance distance between vertices u and v in G. Let Un denote the set of unicyclic graphs with n vertices.
Gai-Xiang Cai, Xing-Xing Li, Gui-Dong Yu
doaj   +1 more source

Fractional Local Metric Dimension of Comb Product Graphs

open access: yesمجلة بغداد للعلوم, 2020
The local resolving neighborhood  of a pair of vertices  for  and  is if there is a vertex  in a connected graph  where the distance from  to  is not equal to the distance from  to , or defined by .
Siti Aisyah   +2 more
doaj   +1 more source

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