# What is operator?

• (noun): (mathematics) a symbol that represents a function from functions to functions.
Example: "The integral operator"

### Some articles on operator, operators:

Operator - Other Uses
... Operator (profession) Switchboard operator, person or company offering telephone services Operator (military), a soldier in a special operations force Network operator, a phone carrier Operator (sternwh ...
Volume Operator
... A quantum field theory of General Relativity provides operators that measure the geometry of space time ... The volume operator of a region is defined as the operator that yields the expectation value of a volume measurement of the region, given a state of ... Loop Quantum Gravity, for example, provides volume operators, area operators and length operators for regions, surfaces and path respectively ...
Schur Decomposition - Proof
... A constructive proof for the Schur decomposition is as follows every operator A on a complex finite-dimensional vector space has an eigenvalue ... respectively) where Iλ is the identity operator on Vλ ... can be applied to the sub-matrix A22, viewed as an operator on Vλ⊥, and its submatrices ...
Operators On Hilbert Spaces - Unbounded Operators
... Unbounded operators are also tractable in Hilbert spaces, and have important applications to quantum mechanics ... An unbounded operator T on a Hilbert space H is defined as a linear operator whose domain D(T) is a linear subspace of H ... a dense subspace of H, in which case T is known as a densely defined operator ...
RT-2PM Topol - Operator
... The Strategic Rocket Forces are the only operator of the Topol ... Current Strategic Rocket Forces Order of Battle lists the following sites with Topol missiles 27th Guards Missile Army (HQ Vladimir) 7th Guards Missile Division at Vypolzovo with 18 Topol 14th Missile Division at Yoshkar-Ola with 27 Topol 54th Guards Missile Division at Teykovo with 9 Topol 31st Missile Army (HQ Rostoshi) 42nd Missile Division at Nizhniy Tagil with 36 Topol 33rd Guards Missile Army (HQ Omsk) 35th Missile Division at Barnaul with 36 Topol 39th Guards Missile Division at Novosibirsk with 36 Topol 51st Guards Missile Division at Irkutsk with 27 Topol ...

### More definitions of "operator":

• (noun): An agent that operates some apparatus or machine.
Example: "The operator of the switchboard"
Synonyms: manipulator
• (noun): A shrewd or unscrupulous person who knows how to circumvent difficulties.
Synonyms: hustler, wheeler dealer
• (noun): A speculator who trades aggressively on stock or commodity markets.
• (noun): Someone who owns or operates a business.
Example: "Who is the operator of this franchise?"