Abstract: Graph spectral sparsification aims to find a ultrasparse subgraph which can preserve the spectral properties of the original graph. The subgraph can be leveraged to construct a ...

In this work, a scenario-adaptive hierarchical optimisation framework is developed for the design of hybrid energy storage systems for industrial parks. It improves renewable use, cuts energy costs ...

Abstract: State estimation plays a crucial role in ensuring the safety, stability and operational efficiency of the current power grid. However, with the increasing size and complexity of power grids, ...

The team also came up with a new formula to calculate a dog’s age. Scientists have gained insight into the epigenetic clock ...

Today's NYT Strands hints are easy if you love numbers. Strands, the New York Times' elevated word-search game, requires the player to perform a twist on the classic word search. Words can be made ...

The final, formatted version of the article will be published soon. Compared to the conventional high-order staggered-grid finite-difference method (C-SFD), the 3 time-space domain dispersion-relation ...