Skip to main content
Mathematics
jmac's user avatar
jmac's user avatar
jmac's user avatar
jmac
  • Member for 5 years, 11 months
  • Last seen this week
Profile Activity
Stats
151
reputation
2k
reached
1
answer
11
questions
Communities
Badges
This user doesn’t have any gold badges yet.
This user doesn’t have any silver badges yet.
9
bronze badges
Top tags
View all tags
2
Score
4
Posts
33
Posts %
2
Score
2
Posts
17
Posts %
0
Score
1
Posts
8
Posts %
0
Score
1
Posts
8
Posts %
0
Score
1
Posts
8
Posts %
0
Score
1
Posts
8
Posts %
Top posts
View all questions and answers
7
End(M) for cyclic R-module M is a commutative ring where R is a PID.
Dec 19, 2019
4
Hamiltonian Perturbation Finding First Order Correction
Feb 1, 2020
3
How many 4 by 4 real matrices $A$, up to similarity, satisfy $(A-I)(A^2 + I)^2 = 0$
Dec 9, 2019
2
Show that $N=\{g_1^3 \times \cdots \times {g_r}^3 \mid g_i \in G, r \geq 0\}$ where $g_i \in G$ and $r \ge 0$ is normal subgroup
Dec 8, 2019
2
Prime elements in the subring $R = \mathbb Z + x \mathbb Q[x]$ of $ \mathbb Q[x]$
Dec 13, 2019
2
Show that $N=\{g_1^3 \times \cdots \times {g_r}^3 \mid g_i \in G, r \geq 0\}$ where $g_i \in G$ and $r \ge 0$ is normal subgroup
Dec 9, 2019
1
Showing Isomorphism between Semi direct product $C_7 \rtimes C_3$ and presentation G
Dec 12, 2019
1
Show that $x^{n-1}y^{n-1} = (yx)^{n-1}$ in a group G where $(xy)^n = x^ny^n$ for some fixed n.
Dec 17, 2019
1
Prove $[L(\alpha) : L]$ divides $[K(\alpha):K]$ for L finite normal extension of K
Jan 29, 2020
1
Unitary Evolution and Expected Values Clarification (quantum mechanics)
Feb 9, 2020