Japanese increasingly single, disinterested in dating: study

In Japan, the proportion of the population who are single has increased dramatically in the past three decades. In 2015, one in four women and one in three men in their 30s were single, and half of the singles say they are ...

Mathematician suggests new approach to cooperative game

A mathematician from RUDN University developed a matrix representation of set functions. This approach is vivid and easy to check, and it makes the calculations easier. Among other things, the new development can be applied ...

More women than men move out after widowhood, study finds

Significantly more women than men move out when their partners pass away. This, according to a University of Copenhagen study that investigates the settlement patterns of Danish widows and widowers. According to the researcher, ...

New tool can help predict the next financial bubble

An international team of interdisciplinary researchers has identified mathematical metrics to characterize the fragility of financial markets. Their paper "Network geometry and market instability" sheds light on the higher-order ...

Decrypting cryptocurrencies

Cryptocurrencies have been treated as a financial terra incognita—they have enjoyed growing interest but also raised concerns due to their virtuality. The use of statistical methods utilizing correlation matrices to analyze ...

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