Duality (optimization) - Wikipedia

Why is solving in the dual easier than solving in the primal? What advantages do we get from solving in the dual? - Quora

When should you change to polar coordinates for multivariable limits? - Quora

What is physical meaning of adjoint operator? - Quora

Does the forgetful functor that sends a vector space to its underlying set have a right adjoint? - Quora

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What is a 'left adjoint' in category theory? - Quora

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Can the adjoint method and elementary row operation method give different inverses? - Quora

Can the adjoint method and elementary row operation method give different inverses? - Quora

What is a traceless operator? Is every traceless operator self-adjoint? - Quora

If we are living in a simulation, does that mean that there are an infinite number of simulations within simulations? - Quora

Modeling the Problem of Profit Optimization of Bank X Tamale, as Linear Programming Problem

What is the difference between primal problem and a dual problem? - Quora

What is the difference between the adjoint and inverse of a linear operator in quantum mechanics? Is it possible for two different operators to have the same adjoint or inverse? - Quora