Results 231 to 240 of about 186,232 (291)

Disorder‐Driven Fast Na+ Transport: From Crystalline to Amorphous Networks in the Mixed‐Anion NaTaOxCl6−2x Oxychlorides

Advanced Energy Materials, EarlyView.
Oxygen substitution in NaTaOxCl6‐2x drives structural evolution from isolated [TaCl6]– octahedra, through oxygen‐bridged [Ta2OCl10]2– dimers, toward extended trans‐[TaO2Cl4]3– chain‐like arrangements. At intermediate compositions, zero‐dimensional corner‐sharing motifs are proposed to create a flexible, disordered framework that peaks ionic ...
Justin Leifeld, Abigail C. Parsons, Alexandra Morscher, Xabier Martinez de Irujo‐Labalde, Marvin A. Kraft, Oskar G. Soulas, Bibek Samanta, Wiebke Zielasko, Neelam Yadav, Kyra Strotmann, Niina Jalarvo, Bruno V. M. Rodrigues, Adam Slabon, Philipp Adelhelm, Michael Ryan Hansen, David O. Scanlon, Wolfgang G. Zeier, Alexander G. Squires   +17 more
wiley   +1 more source

Characterization of Pseudomonas mediterranea and Pseudomonas viridiflava strains associated with tomato pith necrosis in the Al Taif region, Saudi Arabia. [PDF]

Sci Rep
Ibrahim YE, Widyawan A, Al Masrahi AA, Al Hashel AF, Al Saleh MA.   +4 more
europepmc   +1 more source

Outcomes and associated factors of revision procedures after failed total ankle arthroplasty: a comparative cohort analysis. [PDF]

Arch Orthop Trauma Surg
Pfahl K, Eder J, Simon D, Beckers G, Holzapfel BM, Walther M.   +5 more
europepmc   +1 more source

Optimal tracking consensus for swarm systems with leader-following switching topologies. [PDF]

Sci Rep
Zhang Q, Wang C, Zhao M, Xi J, Zheng Y.
europepmc   +1 more source

Design of anti-frost smoke machine system for mountain orchard based on multi-objective optimization. [PDF]

Sci Rep
Lu Y, Zhang W, Lin Y, Cao Z, Wu H, Liu L, Song X, Lu Q.   +7 more
europepmc   +1 more source

Molecular insights into macrolide resistant Mycoplasma pneumoniae isolates from outpatient clinics in Tehran, Iran. [PDF]

Sci Rep
Arfaatabar M, Sadeghi Y, Goodarzi NN, Pourmand MR.   +3 more
europepmc   +1 more source

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Finding Minimum Spanning Trees

SIAM Journal on Computing, 1976
This paper studies methods for finding minimum spanning trees in graphs. Results include 1. several algorithms with $O(m\log \log n)$ worst-case running times, where n is the number vertices and m is the number of edges in the problem graph; 2. an $O(m)$ worst-case algorithm for dense graphs (those for which m is $\Omega (n^{1 + \varepsilon } )$ for ...
Cheriton, David, Tarjan, Robert Endre
openaire   +2 more sources

Minimum Spanning Trees

2019
The atoll of Taka-Tuka-Land in the South Seas asks you for help. The people want to connect their islands by ferry lines. Since money is scarce, the total cost of the connections is to be minimized. It needs to be possible to travel between any two islands; direct connections are not necessary. You are given a list of possible connections together with
Peter Sanders, Kurt Mehlhorn, Martin Dietzfelbinger, Roman Dementiev   +3 more
openaire   +1 more source