First in a series. We asked ChatGPT which method is the best for examining portfolio returns. Then we asked our expert. Editor’s note: Today, we begin a new series in which we ask ChatGPT questions ...

Let 𝐺 = (𝑉,𝐸), 𝑉={1,2,...,𝑛}, be a simple connected graph of order𝑛, size 𝑚 with vertex degree sequence 𝑑1 ≥ 𝑑2 ≥ ... ≥ 𝑑𝑛 > 0, 𝑑𝑖 = 𝑑(𝜐𝑖). The geometric–arithmetic topological index ...

Four estimates of the current process average are compared in the situation when measurements are made at equal intervals of time and two types of variance components, σ 2 2, the variance of a ...

The simple definition of a mean is that of a numeric quantity which represents the center of a collection of numbers. Here the trick lies in defining the exact type of numeric collection, as beyond ...

After studies at the Scuola Normale (Pisa) and IMPA (Rio de Janeiro), Dario received a PhD from UC Berkeley. He then held postdoctoral positions at Oxford and Toulouse, after which he joined UCL as a ...

Maximize the returns that matter. I hope none of you reading this has ever played Russian roulette. It might be a good bet when using arithmetic averages (on average, you win five out of six times), ...