The spectrum of a graph is the spectrum of its adjacency matrix, Cospectral graphs are graphs having the same spectrum. In this paper we study the phenomenon of cospectrality in graphs by comparing ...

Straight Line Was A Lie, the latest long-player from New Zealand power-pop masters the Beths, is out this week. They’ve been sharing gems from the record for months now, including “Metal,” “No Joy,” ...

President Donald Trump’s wobbly walk is in the spotlight again, with a video appearing to show the president struggling to move his legs with any fluidity. The video, which Kacy titled “A Day On the ...

President Donald Trump’s wobbly walk is in the spotlight again, with a video appearing to show the president struggling to move his legs with any fluidity. The 79-year-old played golf with former ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician ...

The Beths singer-songwriter Liz Stokes is known for pairing deeply personal, anxiety-fuelled lyrics with punchy, upbeat, indie rock melodies. It's earned her the attention of former US president ...

Learn how to enable the Scientific Calculator and use Math Notes on your iPhone, and breeze through Math equations with ease.

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Factorising is the reverse process of expanding brackets. A factorised answer will always contain a set of brackets. Factorise \(6x + 9\). To factorise this expression, look for the HCF of \(6x\)and 9 ...