The format of the efficient frontier is an important measure of technical efficiency; additionally, it determines the type of return to scale verified by the model. The classical Data Envelopment ...

Abstract: Several real-world applications introduce derivativefree optimization problems, called variable dimension problems, where the problem's dimension is not known in advance. Despite their ...

Shares of Cloudflare fell on Friday after global websites went down and the U.S. internet infrastructure company said it was investigating. The company issued an update minutes later saying it had ...

The low-voltage variable speed drive (VSD) allows variable control instead of fixed-speed operation. These days, VSDs can reduce energy consumption by up to 30% on average—and as much as 80% in ...

A marine heat wave spanning much of the North Pacific Ocean is already influencing the weather in North America and is poised to make its mark on winter. The unusually warm ocean water, coined “the ...

Explainable machine learning (ML) is important for biosignature prediction on future astrobiology missions to minimize the risk of false positives due to geochemical biotic mimicry and false negatives ...

Description: The WV is a compact, variable-speed hydronic heat pump designed to support radiant heating, forced air heating and cooling, and domestic hot water in one integrated system. Standing just ...

To continue reading this content, please enable JavaScript in your browser settings and refresh this page. Preview this article 1 min A former San Jose city ...

The fund invests primarily in variable-rate preferred stocks, including fixed-to-floating, resettable, and floor-rate instruments, with a strong emphasis on the financial sector. With a low expense ...

We study the two-way relationship between fixed-rate mortgages (FRMs) and monetary policy in a panel of up to 35 countries over the last two decades. The dataset includes quarterly information on the ...

PORT WASHINGTON, NY / ACCESSWIRE / December 9, 2024 / Global Industrial Company (NYSE:GIC), a value-added national distributor of industrial products and MRO supplies, announces the latest innovation ...