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 ...

Astronomers have discovered "dust-shrouded supermassive black holes" in the early universe, less than 1 billion years after ...

Airbnb's Q2 results showed solid revenue and profit growth, but Q3 guidance disappointed with slower growth and margin ...

Later, I helped a friend disassemble a Tesla model, and the mass of circuit boards inside was overwhelming—until I drew 5 ...

Russell Martin's hapless 10-man Rangers crashed out of the Champions League play-offs in humiliating fashion as a record-equalling six-goal European loss at relentless Club Brugge inflicted a 9-1 ...

Here is Jeffrey Epstein’s “birthday book” in full. The 238-page album was compiled for the paedophile financier’s 50th ...

He’s definitely getting great results. His line of .258/.362/.472 with 133 wRC+ (means he’s 33% better than the average ...

As core institutions in the financial industry and key fire safety management units, banks often face issues such as outdated ...

Follow build-up to Chelsea v Fulham in the Premier League before five more games on Saturday, with radio commentaries, team ...

John Gesimondo explains a framework for achieving sustainable mental peace at work. He shares practical recipes for using GenAI to improve emotional recovery, overcome task paralysis, and enhance ...

Automatic data syncing is great, until it leaves a personal note on your desktop for everyone to see. Offline note-taking ...

When governments redraw their wiring diagrams, citizens should pay attention. Boxes and arrows on a chart often reveal more about power than efficiency. South K ...