A property of normed vector spaces equipped with a preorder: inequality between positive vectors implies...












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Let $V$ be a normed vector space equipped with a preorder $preceq$. Is there a name for the following property:
$$
forall s, t in S. mathbf{0} preceq s preceq t implies |s| leq |t|tag{*}
$$



For example, if $V = mathbb{R}^n$ for some $n in {1,2,3,dots}$ with the Euclidean norm and with $(v_1,dots,v_n) preceq (w_1,dots,w_n)$ iff $v_i leq w_i$ for every $i in {1,dots,n}$, then $V$ has $(*)$.










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    I don't know of any source that might justify this answer (hence I am leaving it as a comment), but I would think that the phrase "the preorder is compatible with the norm" would be a way of describing this relation.
    – Xander Henderson
    Nov 28 '18 at 19:17
















0














Let $V$ be a normed vector space equipped with a preorder $preceq$. Is there a name for the following property:
$$
forall s, t in S. mathbf{0} preceq s preceq t implies |s| leq |t|tag{*}
$$



For example, if $V = mathbb{R}^n$ for some $n in {1,2,3,dots}$ with the Euclidean norm and with $(v_1,dots,v_n) preceq (w_1,dots,w_n)$ iff $v_i leq w_i$ for every $i in {1,dots,n}$, then $V$ has $(*)$.










share|cite|improve this question




















  • 1




    I don't know of any source that might justify this answer (hence I am leaving it as a comment), but I would think that the phrase "the preorder is compatible with the norm" would be a way of describing this relation.
    – Xander Henderson
    Nov 28 '18 at 19:17














0












0








0







Let $V$ be a normed vector space equipped with a preorder $preceq$. Is there a name for the following property:
$$
forall s, t in S. mathbf{0} preceq s preceq t implies |s| leq |t|tag{*}
$$



For example, if $V = mathbb{R}^n$ for some $n in {1,2,3,dots}$ with the Euclidean norm and with $(v_1,dots,v_n) preceq (w_1,dots,w_n)$ iff $v_i leq w_i$ for every $i in {1,dots,n}$, then $V$ has $(*)$.










share|cite|improve this question















Let $V$ be a normed vector space equipped with a preorder $preceq$. Is there a name for the following property:
$$
forall s, t in S. mathbf{0} preceq s preceq t implies |s| leq |t|tag{*}
$$



For example, if $V = mathbb{R}^n$ for some $n in {1,2,3,dots}$ with the Euclidean norm and with $(v_1,dots,v_n) preceq (w_1,dots,w_n)$ iff $v_i leq w_i$ for every $i in {1,dots,n}$, then $V$ has $(*)$.







terminology normed-spaces order-theory






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edited Nov 28 '18 at 11:25

























asked Nov 28 '18 at 9:20









Evan Aad

5,55411852




5,55411852








  • 1




    I don't know of any source that might justify this answer (hence I am leaving it as a comment), but I would think that the phrase "the preorder is compatible with the norm" would be a way of describing this relation.
    – Xander Henderson
    Nov 28 '18 at 19:17














  • 1




    I don't know of any source that might justify this answer (hence I am leaving it as a comment), but I would think that the phrase "the preorder is compatible with the norm" would be a way of describing this relation.
    – Xander Henderson
    Nov 28 '18 at 19:17








1




1




I don't know of any source that might justify this answer (hence I am leaving it as a comment), but I would think that the phrase "the preorder is compatible with the norm" would be a way of describing this relation.
– Xander Henderson
Nov 28 '18 at 19:17




I don't know of any source that might justify this answer (hence I am leaving it as a comment), but I would think that the phrase "the preorder is compatible with the norm" would be a way of describing this relation.
– Xander Henderson
Nov 28 '18 at 19:17










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