Angle Bracket. An angle bracket is the combination of a bra and ket (bra+ket = bracket) which represents the inner product of two functions or vectors (or 1-forms), in a function space, or. in a vector space. Here, represents the adjoint. The expression is also commonly used to denote the expectation value of a variable .
Definition: In the ancient Peloponnese, Helots were area residents exploited, like the proverbial serf, by the ancient Spartans. The origins of the helots are disputed. One theory is that when the Spartans realized they needed more arable land they looked to the southwest to the more fertile soil of Messenia. The helots were conquered Laconians whom the Spartans made subservient.
The race breakdown of the population in Helotes varies per year, but currently 4,155 are one race and 130 are two or more races. Of the 4,285 people who live in Helotes, there are 1,253 under 20 years old. The sex breakdown of the 20 years old and younger population in Helotes is 628 male and 625 female.