Studying the epic journey of the iconic jumping plumber can lead to new insights in theoretical computer science—and may help ...

During their studies, students encounter names like Kurt Gödel and Alan Turing, usually with the same mix of respect and mild resignation. One reads what they have proven, accepts it as impressive, ...

[Popular Mechanics] has an interesting article about Alan Turing’s nearly-forgotten speech encryption device. Codenamed Delilah, it was in many ways an early form of digital encryption. It was ...

A command is mono-operational if m = 1 . Key results it rests on: HRU Theorem. Safety for general HRU is undecidable by reduction from the halting problem of a Turing machine encoded in subject/object ...

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