Abstract: Petri net is a graphical and mathematical modeling tool for concurrent systems. Business work flow is one of successful application area of Petri net. Workflow net is a subclass of Petri net ...

Abstract: Given the ubiquity of power electronic converter (PEC) systems, they often represent the weakest link in terms of reliability within modern power and energy systems in different applications ...

In the third century BCE, Apollonius of Perga asked how many circles one could draw that would touch three given circles at exactly one point each. It would take 1,800 years to prove the answer: eight ...

An error has occurred. Please try again. With a Centralmaine.com subscription, you can gift 5 articles each month. It looks like you do not have any active ...

ScaleDiff, a simple yet effective pipeline designed to scale the creation of challenging mathematical problems to enhance the reasoning capabilities of Large Reasoning Models (LRMs). Our method ...

The math you thought you would never use again from school is back to haunt you. X users are in an uproar over an equation that @BholanathDutta posted. It appears as a simple equation, but the comment ...

Like the rest of its Big Tech cadre, Google has spent lavishly on developing generative AI models. Google's AI can clean up your text messages and summarize the web, but the company is constantly ...

Sep. 26, 2025 — Penn engineers have taken quantum networking from the lab to Verizon’s live fiber network, using a silicon “Q-chip” that speaks the same Internet Protocol as the modern web. The system ...

The internet is torn over an elementary-level math equation which left many scratching their heads. The viral math problem has X users stumped - but the answer comes from lessons learned in fifth or ...

The Greek philosopher Plato wrote about Socrates challenging a student with the "doubling the square" problem in about 385 B.C.E. When asked to double the area of a square, the st ...