Results 101 to 110 of about 184,015 (290)
Advanced Materials Interfaces, EarlyView.3D shaping of Ni1‐xFexCo2O4 spinel electrocatalyst to form high aspect ratio nanorods, made of 25 nm grain size particles and directly grown on Nickel felt, is proposed to improve the performance of industrial catalysts based on group‐VIII transition‐metal oxides.
Ataollah Niyati, Ombretta Paladino
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Vertex-ordering and arc-partitioning problems
CoRRWe study vertex-ordering problems in loop-free digraphs subject to constraints on the left-going arcs, focusing on existence conditions and computational complexity. As an intriguing special case, we explore vertex-specific lower and upper bounds on the left-outdegrees and right-indegrees. We show, for example, that deciding whether the left-going arcs
Nóra A. Borsik, Péter Madarasi
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Defect‐Engineered ZnO Nanowire Arrays for Flexible Room‐Temperature Hydrogen Sensors
Advanced Materials Technologies, EarlyView.Fabrication process of patterned ZnO nucleation sites on a flexible polyimide (PI) substrate. Top/tilted‐view SEM images of ordered ZnO nanoflower arrays confined within patterned circular regions. AFM topography map with height data revealing a disk‐array structure, where the patterned regions (marked by a red dot circle) are elevated by ∼2 µm ...
Jun‐Ting Wang +7 more
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Conditional resolvability in graphs: a survey
International Journal of Mathematics and Mathematical Sciences, 2004 For an ordered set W={w1,w2,…,wk} of vertices and a vertex v in a connected graph G, the code of v with respect to W is the k-vector cW(v)=(d(v,w1),d(v,w2),…,d(v,wk)), where d(x,y) represents the distance between the vertices x and y.
Varaporn Saenpholphat, Ping Zhang
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Standard Framework for Comparison of Graph Partitioning Techniques
JISR on Computing, 2015 Graph Partitioning is used to distribute graph partitions across nodes for processing. It is very important in the pre-processing step for distributed graph processing.
Mudasser Iqbal, Saif-ur-Rahman
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On Subgraphs Induced by Transversals in Vertex-Partitions of Graphs [PDF]
The Electronic Journal of Combinatorics, 2006 For a fixed graph $H$ on $k$ vertices, we investigate the graphs, $G$, such that for any partition of the vertices of $G$ into $k$ color classes, there is a transversal of that partition inducing $H$. For every integer $k\geq 1$, we find a family ${\cal F}$ of at most six graphs on $k$ vertices such that the following holds.
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Advanced Materials Technologies, EarlyView.Dense tactile streams from across the humanoid body converge on collide in a central wiring and data bottleneck. By relocating computation closer to and then into the skin itself, near‐ and in‐sensor architectures, together with neuromorphic computing, chart a path toward perception‐native electronic skin, in which the conversion of stimulus into ...
Mijin Kim +6 more
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Vertex partition problems in digraphs
Anais do III Encontro de Teoria da Computação (ETC 2018), 2018 Let D be a digraph and k be a positive integer. Linial (1981) conjec tured that the k-norm of a k-minimum path partition of a digraph D is at most max{ΣC∈C |C| : C is a partial k-coloring of D}. Berge (1982) conjectured that every k-minimum path partition contains a partial k-coloring orthogonal to it.
M. Sambinelli +3 more
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On vertex partitions and some minor-monotone graph parameters
, 2010 International audienceWe study vertex partitions of graphs according to some minor-monotone graph parameters. Ding et al. [J Combin Theory Ser B 79(2) (2000), 221-246] proved that some minor-monotone parameters ρ are such that, any graph G with ρ(G)⩾2 ...
Gonçalves, Daniel, D. Gonçalves
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3D‐Printing Aided Rapid Prototyping of Pretensioned Tensegrity Structures for Robotic Applications
Advanced Robotics Research, EarlyView.Printing, injection molding, and assembly (PMA) is a method for rapid prototyping mesoscale, topologically complex, and tensioned tensegrity structures. In combination with PMA method, two mold design strategies: modular mold and compact channel layout, enable efficiency and scalability for tensegrity fabrication.
Yi Sun +3 more
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