Quanta Magazine

A Simple Way To Measure Knots Has Come Unraveled

Two mathematicians have proved that a straightforward question — how hard is it to untie a knot? — has a complicated answer.
IEEE

A Switching Sequence Optimization Method (SSOM) to Eliminate the Dead-Time Unexpected Output Levels for Four-Level Nested Neutral Point Clamped Converter

Abstract: The four-level nested neutral point clamped (4L-NNPC) converter is a new multilevel converter with a simple structure and no power device in series, which is suitable for medium-voltage high ...
IEEE

Robust Poisson Multi-Bernoulli Mixture Filter With Unknown Detection Probability

Abstract: This paper proposes a robust Poisson multi-Bernoulli mixture (R-PMBM) filter immune to the unknown detection probability. In a majority of multi-object scenarios, the prior knowledge of ...
Phys.org

Probability theorem gets quantum makeover after 250 years

How likely you think something is to happen depends on what you already believe about the circumstances. That is the simple concept behind Bayes' rule, an approach to calculating probabilities, first ...