## How not to lie with statistics: averages

When averaging is not the answer, and what to do about it.

When averaging is not the answer, and what to do about it.

Poincaré Embeddings for Learning Hierarchical Representations E. Totoni, T. A. Anderson, T. Shpeisman Neural Embeddings of Graphs in Hyperbolic Space B...

1. Quicksort

When are two SQL queries the same?

Intel’s HPAT compiles high-level scripting syntax down to high-performance, low-level code. Building on HPAT, HiFrames provides an alternative to fast but no...

How do we avoid surveillance and keep our private information private? Read on for a quick guide.

Generalizations of various arithmetic properties of the system of integers.

Generalizations of the real and complex number systems

Method of constructing larger groups out of a collection of groups

An introduction to the theory of group actions, covering examples, various counting principles, and Sylow’s theorems.

An overview of generators and relations, followed by a discussion on constructing structure-preserving extensions of maps on generating sets of groups.

An introduction to commutative diagrams, a compact language for describing algebraic objects and structure-preserving maps between them.

A quick overview of elementary set theory, covering the basic terminology, relations and functions, equivalence relations and quotient sets, cartesian produc...

On Kirby–Paris Hydra game, which involves killing off a particularly vicious modern variant of the Lernaean Hydra