Geography is a branch of academic study broadly concerned with the Earth. Geographers can be roughly divided into those concerned with physical earth processes (physical geography), such as erosion ...

The plastic waste generated by ultra-processed foods (UPFs) is a key driver of the global plastics crisis. Recognizing the integral role of plastics in UPF production is essential to developing a more ...

Abstract: Some relevant notions in fuzzy set theory are those of triangular-(t)- norm, t-conorm, and negation, which provide a systematic way of defining set-theoretic operations, or, from other point ...

Abstract: Electric wires connected by switches either conduct electricity or don't, depending on the inter-connection pattern and the settings of the switches. As early as 1886, the philosopher ...

This book introduces the reader to the general theory of partially ordered sets, i.e., posets. The text is presented in a rather informal manner, with interesting examples and computations, which rely ...