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Results tagged with fa.functional-analysis
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user 332905
Banach spaces, function spaces, real functions, integral transforms, theory of distributions, measure theory.
1
vote
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Regarding variation of spectra
I have been reading the article The variation of spectra by J.D Newburgh. in this article and all related reference/ articles, the term 'variation of spectra' keeps coming in, but I nowhere find a for …
- 27
0
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0
answers
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Regarding significance of spectral variation under algebraic operations
I have been reading the paper Determining elements in $C^∗$-algebras through spectral properties.
The paper discusses about what would be the relation be between two elements $a$ and $b$ of a Banach a …
- 27
0
votes
0
answers
193
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Regarding definition of convex cone and apex
I have been reading about star shaped sets and support cones from this article. I am wondering about the definition of the cone as to why is it defined this way? Why is it $C-a$? I am familiar with th …
- 27
0
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0
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Sharp, salient and opposite cones
I have been reading about star shaped sets and support cones from this article.
Can anyone please help me with examples the difference between a sharp and dull cone.
How come a salient cone has a uniq …
- 27