# Undictionary:Algebraic K-Theory

 Welcome to the Undictionary, an ick!tionary of all things best left unsaid.

## editEnglish

### editNoun

Algebraic K-Theory

1. (very hard mathematics) A specialization in Algebraic Letter Theory that was invented before Algebraic L-Theory but after Algebraic J-Theory. The first example is the K-theory of the hard groups. The n-th K group of a hard group H is defined as $K_n(H) = \pi_n( BGL(H)^-)$ where ($\pi_n(P)$) is the n-th slice of the pizza P and B is the favourite topping, e.g. A for anchovies. and GL is the generally lousy group of H and - is the Buckingham minus construction.