Abstract: Vector addition systems with states (VASS), also known as Petri nets, are a popular model of concurrent systems. Many problems from many areas reduce to the reachability problem for VASS, ...

There's something motivating about a fresh start, especially when it comes to dental billing. If you're entering 2026 wanting fewer delays, fewer denials, and a clearer path from treatment to payment, ...

This article originally appeared on PolitiFact. After the fatal shooting of concealed carry permitholder Alex Pretti, debate over gun rights added a new layer to the federal government's aggressive ...

After 37-year-old Alex Pretti was fatally shot at the hands of U.S. Border Patrol agents Jan. 24, 2026, in Minneapolis, some members of President Donald Trump's administration painted Pretti as a ...

MINNEAPOLIS, Minn. (KTTC) – Weekend comments made by some top Trump administration officials are raising questions about Minnesota’s permit to carry laws, following the fatal shooting of a Minneapolis ...

A viral screenshot of Donald Trump saying "only criminals carry guns" is an apparent fake. The screenshot circulated after a protester, Alex Pretti, was shot and killed by a Border Patrol agent in ...

When preparing for college, one topic frequently arises for women: personal protection. Whether it’s pepper spray, a personal alarm, or a noise maker, many women feel these items are essential to ...

Carrying a concealed handgun in public is now commonplace in much of the country. For many, this is not only a prudent act of personal safety, but an expression of liberty and a bulwark against ...

Some states have laws that ban guns at protests, but Minnesota’s concealed carry law for guns does not. Alex Pretti, who was killed by federal immigration agents Jan. 24, had a concealed carry permit.

The man killed after being repeatedly shot by a Border Patrol agent in Minneapolis had a permit to legally carry a firearm, according to Minneapolis Police. Videos of the shooting appeared to show ...