نتایج جستجو برای: even time
تعداد نتایج: 2288733 فیلتر نتایج به سال:
The railway system is vulnerable to disruptions that require careful management of available infrastructure capacity in order to keep operations feasible and attractive for passengers and for the environment. Dispatchers manage traffic with a limited view on the network impact of their actions. Effective large scale dispatching solutions are required to better forecast the delay propagation in ...
For a finite group $G$, let $Cent(G)$ denote the set of centralizers of single elements of $G$. In this note we prove that if $|G|leq frac{3}{2}|Cent(G)|$ and $G$ is 2-nilpotent, then $Gcong S_3, D_{10}$ or $S_3times S_3$. This result gives a partial and positive answer to a conjecture raised by A. R. Ashrafi [On finite groups with a given number of centralizers, Algebra Collo...
Common presentations of the NP-completeness of SAT suffer from two drawbacks which hinder the scope of this flagship result. First, they do not apply to machines equipped with random-access memory, also known as direct-access memory, even though this feature is critical in basic algorithms. Second, they incur a quadratic blow-up in parameters, even though the distinction between, say, linear an...
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