A symmetric Venn diagram is one that is invariant under rotation, up to a relabeling of curves. A simple Venn diagram is one in which at most two curves intersect at any point. In this paper we introduce a new property of Venn diagrams called crosscut symmetry, which is related to dihedral symmetry. Utilizing a computer search restricted to crosscut symmetry we found many simple symmetric Venn ...

The extraction is the process of removing or obtaining something from something else; whether with force or difficulty, or chemically. It is a one of separation technique used in most science researches. In our research focusing, extraction process is the process of converting captured notation information into data. Our proposed approach for notation extraction will play an important role in a...

Hurricane Sandy in late October 2012 drove before it a storm surge that rose to 4.28 meters above mean lower low water at The Battery in lower Manhattan, and flooded the Hugh L. Carey automobile tunnel between Brooklyn and The Battery. This study examines the surge event in New York Harbor using the Weather Research and Forecasting (WRF) atmospheric model and the Coupled-Ocean-Atmosphere-Wave- ...

This paper is divided into two cases to study the communication transmission equipment reliability in the state of the ice storm, according to the huge losses of power system communication caused by the ice storm. For the nodes or links which are not affected by the ice storm, we use the calculation with “the mean time between failures (MTBF)” and “the mean time to repair” (MTTR) to put forward...

A flash flood and landslide in the Leh region of the Indus Valley in the Indian state of Jammu and Kashmir on 5–6 August 2010 resulted in hundreds of deaths and great property damage. Observations have led to the hypothesis that the storm, which formed over the Tibetan Plateau, was steered over the steep edge of the plateau by 500-hPa winds and then energized by the ingestion of lower-level moi...

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Motivation • Strong correlation between climate change and sea-level rise • Sea level rose by about 15 cm over the last century • IPCC projected sea-level to rise 5mm/yr. over the next 100 years • Potential impact – stronger storm surges in the coastal regions – coastal erosion – submerged islands – diminished fresh water supplies – loss of tourism • " Prediction of climate change is a critical...