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eyp
  • Member for 5 years, 11 months
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3 votes
1 answer
182 views

Quandle homomorphism does not always induces group homomorphim on inner automorphism group of quandles.

3 votes
1 answer
140 views

$\mathbb{Z}[G^{n+1}] \otimes_{\mathbb{Z}[G]} \mathbb{Z} \cong \mathbb{Z}[G^n]$ as $\mathbb{Z}$-module

3 votes
0 answers
49 views

Problem in Proof of Theorem $5.3$ Chapter $2$ of "Cohomology of Groups by Kenneth S.Brown"

2 votes
0 answers
49 views

Homology of $X_{\infty}$ space for a given Seifert surface of an oriented link $L$.

2 votes
1 answer
293 views

Are link (non-splittable) quandles complete invariant up to orientation?

2 votes
1 answer
265 views

If L is a split link then L has split link diagram. Is this true?

2 votes
1 answer
97 views

Subgroup of the braid group $B_n$ generated by $\sigma_i$ and $\sigma_{i+1} ^2$ is a free group?

1 vote
0 answers
24 views

Equivalence of two elements in $\pi_2(BX)$, where $BX$ is the rack space corresponding to the quandle $X$.

1 vote
0 answers
54 views

Calculation of homology groups of chain complex $C_*(Y) \otimes_{\mathbb{Z[G]}} \mathbb{Z}$.

1 vote
1 answer
161 views

How the components of alternating link diagram $D$ are boundaries of the regions of one color after performing positive smoothing at all crossings?

1 vote
1 answer
44 views

Is it true that $\oplus_G H \cong \mathbb{Z}[G] \otimes_{\mathbb{Z}} H$ as $\mathbb{Z}[G]$ module?

1 vote
0 answers
64 views

To find image of map $(C_{1}(H)_H, C_{2}(G)_G)\otimes_{\mathbb{Z}} \mathbb{Z}[G] \to C_1(G)$, where $G$ is a group and $H$ its subgroup.

1 vote
0 answers
22 views

Is it true that $H_n(C_{*}(X)^{nor} \otimes M) \cong H_n(C_{*}^{\neq}(X) \otimes M)$?

0 votes
1 answer
189 views

Shifting in graded modules.

0 votes
0 answers
66 views

Direct sum in free modules. [duplicate]

0 votes
0 answers
96 views

To find kernel of $\rho:\mathbb{Z}[G^2] \to \mathbb{Z}[G/H]$, where $\rho((g_1,g_2))=Hg_2-Hg_1$