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15
Math.TechQA.Club
2026-03-25 12:46:26
131
Views
Showing two spaces not isometrically isomorphic
Published on
25 Mar 2026 - 12:46
#functional-analysis
#normed-spaces
#isometry
#direct-sum
1.3k
Views
External vs Internal Direct Sum
Published on
03 Mar 2019 - 3:21
#abstract-algebra
#modules
#direct-sum
1.5k
Views
If $V = \text{null}(T-\lambda I) \oplus \text{range}(T-\lambda I)$, then $T$ is diagonalizable?
Published on
04 Mar 2019 - 6:19
#linear-algebra
#linear-transformations
#direct-sum
690
Views
Direct Sum and Linear Operators
Published on
06 Mar 2019 - 4:08
#linear-algebra
#linear-transformations
#direct-sum
338
Views
real world applications of direct sums
Published on
25 Mar 2026 - 15:47
#linear-algebra
#applications
#direct-sum
209
Views
References on the submodules of a direct sum of copies of $\mathbb{Z}$
Published on
11 Mar 2019 - 21:08
#abstract-algebra
#reference-request
#modules
#direct-sum
74
Views
If $\bigoplus_{i=1}^\infty \mathbb Z \cong Y \oplus \mathbb Z$, is $Y \cong \bigoplus_{i=1}^\infty \mathbb Z$?
Published on
16 Mar 2019 - 23:13
#abstract-algebra
#group-theory
#algebraic-topology
#direct-sum
70
Views
Direct sum factorization of polynomials
Published on
25 Mar 2026 - 3:17
#polynomials
#irreducible-polynomials
#direct-sum
#finite-element-method
35
Views
Sum dissapearing when we assume some elements to be constant over time
Published on
25 Mar 2026 - 7:15
#summation
#direct-sum
#constants
901
Views
The direct sum of two finitely generated algebras is finitely generated
Published on
29 Mar 2019 - 0:39
#abstract-algebra
#ring-theory
#modules
#tensor-products
#direct-sum
63
Views
Non-Fibonacci numbers, appear from Fibonacci Sums ...?
Published on
26 Mar 2026 - 12:46
#fibonacci-numbers
#direct-sum
1.1k
Views
Decompose vector fields on product manifolds
Published on
09 Apr 2019 - 2:10
#differential-geometry
#vector-bundles
#vector-fields
#direct-sum
40
Views
Find sum of Subspaces combination of constraints
Published on
12 Apr 2019 - 5:20
#linear-algebra
#linear-transformations
#direct-sum
58
Views
Quotient of module versus direct sum
Published on
13 Apr 2019 - 16:04
#abstract-algebra
#direct-sum
757
Views
Group as direct sum of cyclic groups
Published on
25 Mar 2026 - 9:25
#abstract-algebra
#group-theory
#cyclic-groups
#direct-sum
#p-groups
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