vector space. The term pseudonorm has been used for several related meanings. It may be a synonym of "seminorm". A pseudonorm may satisfy the same axioms...

smaller problems. Based on the ℓ 0 , ∞ {\textstyle \ell _{0,\infty }} pseudonorm, if a solution Γ {\textstyle \mathbf {\Gamma } } exists satisfying ‖ Γ...