Abstract: This work is devoted to the problem of spanning trees maintenance in the presence of crash failures in a distributed environment using only local knowledge. Using a pre-constructed spanning ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Leaf shapes play an important role in tree identification, providing key ...

In their peer-reviewed work, Calcea Johnson and Ne'Kiya Jackson present five new ways of proving Pythagoras' Theorem via trigonometry. They also detail a new method for finding proofs that yield at ...

Two years ago, a couple of high school classmates each composed a mathematical marvel, a trigonometric proof of the Pythagorean theorem. Now, they’re unveiling 10 more. For over 2,000 years, such ...

Your favorite football team was named after Ohio’s state tree, known as the Ohio buckeye tree. Now that fall has arrived, the husks have started falling from trees to reveal a brown one-eyed nut, ...

All species on Earth, both living and extinct, are related. We know this because of a biological tool called the tree of life. This "tree" takes the form of a diagram that maps the relationships ...

You do not have to do all of the problems below. You only need to complete five (5) successful Proofs for an A in the class, and two (2) successful proofs for a B. No proofs are required for a C or ...

When a neighbor’s tree hangs over your property it can be a nuisance—and even cause damage. But tread carefully before you trim it. When not writing, Jeff spends his free time fixing up his old house.