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15
Math.TechQA.Club
2026-04-30 13:55:58
44
Views
weak* - compactness
Published on
30 Apr 2026 - 13:55
#functional-analysis
#linear-transformations
#finance
#topological-vector-spaces
#weak-topology
360
Views
Unit ball has empty interior in weak-star topology.
Published on
17 Apr 2026 - 15:25
#functional-analysis
#weak-topology
1.8k
Views
Strong closure vs. weak-* closure
Published on
11 Apr 2026 - 14:57
#banach-spaces
#weak-topology
57
Views
Trying to understand definition of weak topology on normed vector spaces
Published on
25 Mar 2026 - 23:13
#normed-spaces
#topological-vector-spaces
#dual-spaces
#locally-convex-spaces
#weak-topology
66
Views
Proving continuity of a monotone map from a Banach space to its dual with the weak* topology
Published on
13 Apr 2026 - 17:03
#sequences-and-series
#banach-spaces
#weak-convergence
#dual-spaces
#weak-topology
280
Views
Metric on $M[0,1]$ the space of measures
Published on
01 Apr 2026 - 22:42
#functional-analysis
#measure-theory
#banach-spaces
#weak-topology
224
Views
Every weak*-closed subspace of the dual space of a normed space is the range of an adjoint operator
Published on
03 May 2026 - 20:09
#functional-analysis
#operator-theory
#adjoint-operators
#weak-topology
60
Views
How to show that $\lambda\in V^{**}$ is in the image of $V$ iff it is weak-* continuous?
Published on
30 Mar 2026 - 15:00
#functional-analysis
#dual-spaces
#weak-topology
424
Views
Weak closure of orthonormal basis in Hilbert space
Published on
30 Mar 2026 - 17:04
#functional-analysis
#hilbert-spaces
#weak-convergence
#orthonormal
#weak-topology
28
Views
Is $\text{ball}_{R}(X^{\ast})\cap\bigcap_{i\in I}\{x^{\ast}\in X^{\ast} | \ |x^{\ast}(x_i)|\leq r_i\}$ norm (or weak*) connected?
Published on
28 Apr 2026 - 19:06
#functional-analysis
#normed-spaces
#connectedness
#dual-spaces
#weak-topology
438
Views
Weak closure of orthonormal basis in Hilbert space (2)
Published on
26 Apr 2026 - 12:52
#hilbert-spaces
#weak-convergence
#orthonormal
#nets
#weak-topology
84
Views
Does every vector space with a weak topology contain a dense subspace which is a direct sum of real lines?
Published on
02 Mar 2026 - 2:46
#topological-vector-spaces
#direct-sum
#weak-topology
404
Views
Weaker and Stronger topologies (open sets, continuity and terminology)
Published on
06 May 2026 - 23:26
#general-topology
#functional-analysis
#weak-topology
55
Views
The bidual of a Banach space
Published on
16 Apr 2026 - 4:32
#functional-analysis
#banach-spaces
#weak-topology
38
Views
Show that : $B_1(0,L^\infty((\Omega,\mathcal{F},\mathbb{P})))$ is compact in the weak topology $\sigma(L^1,L^\infty)$.
Published on
25 Mar 2026 - 16:08
#functional-analysis
#weak-topology
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