A Mathematician with early access to XAI Grok 4.20, found a new Bellman function for one of the problems he had been working on with my student N. Alpay. Not an Erdős problem, but original research.

Learn how to write and validate unit tests with JUnit 5. This article shows you how to configure a Maven project for JUnit, write basic and parameterized unit tests, and use JUnit 5’s built-in ...

A list of selected paper and possible corresponding codes in our review paper A Survey on Explainable Reinforcement Learning: Concepts, Algorithms, Challenges. If you find there is a missed paper or a ...

Calculator app has been around in macOS forever. Here's how to use its four modes in macOS Sequoia. Apple's Calculator app lives in the /Applications folder at the root of your Startup Disk. One of ...

You can probably think of a time when you’ve used math to solve an everyday problem, such as calculating a tip at a restaurant or determining the square footage of a room. But what role does math play ...

You can probably think of a time when you’ve used math to solve an everyday problem, such as calculating a tip at a restaurant or determining the square footage of a room. But what role does math play ...

Recent advancements in quantum computing and quantum-inspired algorithms have sparked renewed interest in binary optimization. These hardware and software innovations promise to revolutionize solution ...

Maria is either at home or in the office. She’s not at home. Where is she? You might wonder why I started with such an unpuzzling puzzle. But in solving it, you already used logic. You reasoned ...

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