Abstract: In this paper, we present a novel convolution theorem which encompasses the well known convolution theorem in (graph) signal processing as well as the one related to time-varying filters.

Researchers celebrate 10th anniversary of gravitational wave discovery, announce verification of a Hawking theorem. Two black holes spiral together and violently merge in this simulation of an event ...

Let's be honest, we're all drama queens sometimes. Whether you're texting your bestie you're “literally dying” over the latest celebrity gossip or declaring on social media that Monday mornings are ...

Slapstick comedy is a purposefully exaggerated form of performance that can portray a cartoonish reality. In the world of slapstick, characters are constantly getting hurt, mugging their faces, ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

In a new peer-reviewed study, Ne'Kiya Jackson and Calcea Johnson outlined 10 ways to solve the Pythagorean theorem using trigonometry, including a proof they discovered in high school. When you ...

From an innovative (and subsequently controversial) opening ceremony to shattered world records across the sports spectrum, the Paris Olympics have marked a celebratory return to the Games we knew and ...

Laboratory of Image Science and Technology, Key Laboratory of Computer Network and Information Integration, Ministry of Education, Southeast University, Nanjing, China Background and objective: ...

Endocrine disruptors are substances that interfere with the endocrine system. They are present in products such as food and beverage packaging, cosmetics, and flame-retardant chemicals. The endocrine ...