Two weeks ago, a modest-looking paper was uploaded to the arXiv preprint server with the unassuming title “On the invariant subspace problem in Hilbert spaces”. The paper is just 13 pages long and its ...

University of California (UC) San Diego mathematicians Jacques Verstraete and Sam Mattheus have solved a puzzling Ramsey theory problem that's had little progress since the great Paul Erdös made some ...

THE enormous expansion of the railroad system of the United States, the magnitude of the business interests dependent upon it, and the immense number of persons directly or indirectly affected by its ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Representation theory transforms abstract algebra groups into things like simpler ...

PHOENIX — LaRee and her husband were ecstatic in the process of purchasing a home to put on land they owned in Northern Arizona. They found a company to work with and said everything was going ...

The controversy over the deductibility of payroll expenses by Paycheck Protection Program (PPP) loan recipients has finally been settled, less than a week before the end of the year. The Consolidated ...

Everybody seems to be talking about 3 Body Problem, the new Netflix series based on Cixin Liu’s Remembrance of Earth’s Past book trilogy. Fewer people are talking about the two series’ namesake: The ...

Elon Musk solved an “unsolvable” math problem after a Harvard professor called him “rich but dumb.” A Harvard Professor Mocked Elon Musk as 'Rich But Dumb'—Then Musk Solved an 'Unsolveable' Math ...

2020 has been a challenging year, to say the least. We have all had to make changes, in some cases significant changes, in the way we do things. Many of us have left our offices to work at home. Our ...

PHOENIX — Our Let ABC15 Know Better Business Bureau volunteer team is working for you. They're dedicated to helping Arizona consumers by tackling cases - big or small - questioning businesses, ...

If you're looking for great sound without breaking the bank, the Creative Stage Pro is a budget-friendly option that's worth considering.