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15
Math.TechQA.Club
2026-03-25 23:11:02
944
Views
$8 \otimes 8$ in $SU(3)$, dimension of the Young-tableau corresponding to the $\bar{10}$
Published on
25 Mar 2026 - 23:11
#group-theory
#representation-theory
#tensor-products
#direct-sum
#young-tableaux
437
Views
Given $T: V \to V$ and $T^2 = T$, how is $V = \ker(T) \oplus \ker(T-I)$?
Published on
10 Oct 2020 - 7:08
#linear-algebra
#vector-spaces
#direct-sum
414
Views
Isomorphism Between Union of two subspaces and Direct Sum
Published on
13 Oct 2020 - 18:54
#linear-algebra
#abstract-algebra
#vector-spaces
#direct-sum
92
Views
Are the 1-dimensional subspaces sums direct?
Published on
14 Oct 2020 - 17:50
#linear-algebra
#direct-sum
117
Views
About module decomposition in Atiyah-Macdonald
Published on
15 Oct 2020 - 3:13
#abstract-algebra
#commutative-algebra
#notation
#modules
#direct-sum
100
Views
Prove that $S_1+S_2=S_1\oplus S_2$.
Published on
30 Mar 2026 - 8:32
#linear-algebra
#linear-transformations
#cross-product
#direct-sum
1.4k
Views
Are the sum and direct sum of vector subspaces associative and commutative?
Published on
29 Oct 2020 - 19:26
#linear-algebra
#vector-spaces
#direct-sum
304
Views
Show that $V = G(\lambda_1,T)\oplus ... \oplus G(\lambda_m,T)$ where $G(\lambda,T)$ is the generalized eigenspace for $\lambda$
Published on
01 Nov 2020 - 7:42
#linear-algebra
#eigenvalues-eigenvectors
#direct-sum
389
Views
Dummit and Foote 10.3.18 (Decomposition theorem for modules)
Published on
03 Nov 2020 - 1:46
#abstract-algebra
#ring-theory
#modules
#direct-sum
36
Views
Isomorphism from inner direct product to external how to prove the following:
Published on
04 Nov 2020 - 18:59
#abstract-algebra
#group-theory
#group-isomorphism
#direct-sum
51
Views
prove $(V1⊕...⊕Vk)∩(W1⊕...⊕Wk)=(V1∩W1)⊕...⊕(Vk∩Wk)$
Published on
05 Nov 2020 - 11:23
#linear-algebra
#vector-spaces
#direct-sum
80
Views
Is sum of vector subspaces analogous to union of subsets?
Published on
06 Nov 2020 - 11:18
#linear-algebra
#intuition
#direct-sum
231
Views
Kernel of direct sum of module homomorphisms
Published on
10 Nov 2020 - 12:45
#abstract-algebra
#modules
#direct-sum
432
Views
Spectrum of direct sum and direct integral included in the union of the spectra of its constituents
Published on
11 Nov 2020 - 16:05
#functional-analysis
#spectral-theory
#direct-sum
148
Views
Is the large Sigma notation (summation notation) used for coproducts?
Published on
28 Mar 2026 - 5:01
#reference-request
#category-theory
#notation
#direct-sum
#direct-product
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