List questions from duality-theorems

Published on 01 Feb 2017 - 18:51

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The conjugate function of infimal convolution

Published on 07 Feb 2017 - 2:42

931

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Conjugate function of exponential $\exp\langle x, c\rangle$

Published on 09 Feb 2017 - 6:32

108

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Conflicting natural isomorphisms: How can separate identifications interfere with each other?

Published on 26 Mar 2026 - 1:28

2.9k

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Geometrical interpretation of dual basis in Euclidean 2-dim and 3-dim space

Published on 11 Feb 2017 - 15:30

1.9k

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Separating disjoint polyhedra with LP duality

Published on 13 Feb 2017 - 23:30

1.3k

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Connection between dual maps and bilinear forms?

Published on 26 Mar 2026 - 19:15

198

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Geometric Interpretation of Simultaneous Primal and Dual LP Infeasibility

Published on 20 Feb 2017 - 1:52

29

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Can I use $\mathrm{Ext}(A,\,B)\cong\mathbb{Z}/3$ to show two $X\cong X^\ast$?

Published on 21 Feb 2017 - 12:29

23

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Prove there is $a_0\in L$ s.t. $\phi(a_0)=1$

Published on 22 Feb 2017 - 13:13

140

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$Y$ is a subspace of a normed vector space $X$ and prove that $d(x,M)=\sup\{|f(x)|:f\in X^*,\lVert f\rVert \leq 1, f|_Y=0\}$

Published on 25 Feb 2017 - 9:52

152

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Prove equality of linear subspaces

Published on 26 Feb 2017 - 14:48

2.5k

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Big picture behind how to use KKT conditions for constrained optimization

Published on 26 Mar 2026 - 16:05

53

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Prove $\sigma=\alpha\phi$

Published on 28 Feb 2017 - 14:38

66

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Identifying $C_{\lambda}^*(\Gamma)$ with $C(\hat{\Gamma})$ using Pontryagin Duality

Published on 26 Mar 2026 - 4:29

List Question

Is transpose a change of basis?

The conjugate function of infimal convolution

Conjugate function of exponential $\exp\langle x, c\rangle$

Conflicting natural isomorphisms: How can separate identifications interfere with each other?

Geometrical interpretation of dual basis in Euclidean 2-dim and 3-dim space

Separating disjoint polyhedra with LP duality

Connection between dual maps and bilinear forms?

Geometric Interpretation of Simultaneous Primal and Dual LP Infeasibility

Can I use $\mathrm{Ext}(A,\,B)\cong\mathbb{Z}/3$ to show two $X\cong X^\ast$?

Prove there is $a_0\in L$ s.t. $\phi(a_0)=1$

$Y$ is a subspace of a normed vector space $X$ and prove that $d(x,M)=\sup\{|f(x)|:f\in X^*,\lVert f\rVert \leq 1, f|_Y=0\}$

Prove equality of linear subspaces

Big picture behind how to use KKT conditions for constrained optimization

Prove $\sigma=\alpha\phi$

Identifying $C_{\lambda}^*(\Gamma)$ with $C(\hat{\Gamma})$ using Pontryagin Duality

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