CARLSBAD, Calif., November 9, 2020 – The new Linear LDCO863B and Linear LDCO841 Smart Garage Door Operators debuted today from Nortek Control feature advanced GDO technologies. Giving dealers a ...

The paper defines and studies the Drazin inverse for a closed linear operator A in a Banach space X in the case that 0 is an isolated spectral point of A. Results include an integral representation ...

The main purpose of this article is to give a relationship between Fredholm multivalued linear operators and the demicompact linear relation; we provide some sufficient conditions on the inputs of a ...

Linear is proud to offer an extensive line of AC and DC powered garage door operators, all available with interchangeable chain or belt drive rails that can also be converted to an I-beam rail ...

linear transformations, null spaces, ranges, invariant subspaces, vector space isomorphisms matrix of a linear transformation, rank and nullity of linear transformations and matrices change of basis, ...