نتایج جستجو برای: and modified push
تعداد نتایج: 16867303 فیلتر نتایج به سال:
Computing a maximum weighted stable set in a bipartite graph is considered wellsolved and usually approached with preflow-push, Ford-Fulkerson or network simplex algorithms. We present a combinatorial algorithm for the problem that is not based on flows. Numerical tests suggest that this algorithm performs quite well in practice and is competitive with flow based algorithms especially in the ca...
We prove that a particular pushing-blocks puzzle is intractable in 3D. The puzzle, inspired by the game PushPush, consists of unit square blocks on an integer lattice. An agent may push blocks (but never pull them) in attempting to move between given start and goal positions. In the PushPush version, the agent can only push one block at a time, and moreover, each block, when pushed, slides the ...
She came in from the cold for a two-day spate of press conferences, meetings, and photoshoots, and then sailed off towards the ice again. The German research icebreaker Polarstern, run by the Alfred Wegener Institute (AWI), has become a minor celebrity with the busy lifestyle to match. Upon completing her latest tour of duty, which mainly involved studies of carbon cycles in the southern oceans...
the main aim is to study the two dimensional axisymmetric problem of thick circular plate in modified couple stress theory with heat and mass diffusive sources. the thermoelastic theories with mass diffusion developed by sherief et al. [1] and kumar and kansal [2] have been used to investigate the problem. laplace and hankel transforms technique is applied to obtain the solutions of the governi...
Background: Pressure ulcers are among the most serious skin and tissue disorders and put a heavy financial burden on healthcare systems. These ulcers break through the body’s first line of defense and can lead to severe consequences such as septicemia and death. Nowadays, most conventional treatments are very costly; therefore, the production of less expensive medications including herbal remed...
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