Abstract: The problem to construct optimal conflict-avoiding codes of even lengths and the Hamming weight 3 is completely settled. On the contrary, it is still open for odd lengths. It turns out that ...

Jenna Coleman, Katherine Kelly, Laura Haddock, Jing Lusi, Joe Wilkinson and Richard Rankin have also joined the cast. By Lily Ford Rafe Spall will play the British prime minister in a new political ...

EXCLUSIVE: Steven Moffat has found his Prime Minister. Black Mirror and Trying star Rafe Spall has taken on the coveted role in Channel 4’s upcoming Number 10 about the UK’s most famous residency, 10 ...

Is 170,141,183,460,469,231,731,687,303,715,884,105,727 prime? Before you ask the Internet for an answer, can you consider how you might answer that question without a ...

Add Yahoo as a preferred source to see more of our stories on Google. Prime numbers are sometimes called math’s “atoms” because they can be divided by only themselves and 1. For two millennia, ...

According to Drive Research, 71% of all Black Friday shopping this year will take place online. In recognition of the biggest retail day of the year, we’re revisiting this story, originally published ...

This post may contain links from our sponsors and affiliates, and Flywheel Publishing may receive compensation for actions taken through them. Amazon Prime Day, the four-day period during which the ...

Americans spent the equivalent of what they would on two Black Fridays over the course of Amazon.com’s Prime Day event, ending the four-day shopping extravaganza on a high note.

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, ...

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