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15
Math.TechQA.Club
2026-04-13 19:51:06
108
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How to prove that $df_x$ is well defined with respect to different chart $\psi^{\prime}_{V^{\prime}}$
Published on
13 Apr 2026 - 19:51
#linear-algebra
#differential-geometry
#self-learning
#equivalence-relations
#tangent-spaces
76
Views
Let $\mu$ and $ \nu$ be measures on $(\mathscr \Omega , \mathscr F )$
Published on
15 Apr 2026 - 8:01
#probability-theory
#measure-theory
#examples-counterexamples
#self-learning
88
Views
Show $ρ( A_i \bigcup B_j ) = ρ( A_i - B_j ) + ρ(B_j - A_i ) + ρ( A_i \bigcap B_j ) $ finite
Published on
16 Apr 2026 - 22:52
#probability-theory
#measure-theory
#self-learning
88
Views
Explain why the two ODEs are equivalent
Published on
13 Apr 2026 - 6:23
#ordinary-differential-equations
#self-learning
172
Views
Rings without identity and non-isomorphic ring structure on $\mathbb{Z}$
Published on
13 Apr 2026 - 17:41
#abstract-algebra
#solution-verification
#self-learning
43
Views
Orthogonality of vectors
Published on
11 Apr 2026 - 10:19
#linear-algebra
#vectors
#self-learning
#orthogonality
81
Views
If $X$ is distributed $\mathcal{N}\sim(\mu,1)$ then what is the PDF of $X^2$?
Published on
16 Apr 2026 - 0:32
#probability
#self-learning
#density-function
29
Views
Derive the density function of a non-central chi square with its moment-generating function.
Published on
10 Apr 2026 - 21:01
#probability
#self-learning
#density-function
269
Views
Counting the number of distinct groups with and without repeat items
Published on
14 Apr 2026 - 8:22
#combinatorics
#discrete-mathematics
#self-learning
#multisets
316
Views
Let ${\rm Hom}:G\to G'$ be a homomorphism. Prove that if $H\unlhd G$ then ${\rm Hom}(H)\unlhd G'$.
Published on
15 Apr 2026 - 19:17
#group-theory
#self-learning
#normal-subgroups
#group-homomorphism
433
Views
Prerequisites for Quantum cryptography
Published on
13 Apr 2026 - 16:43
#self-learning
#cryptography
#quantum-mechanics
#quantum-computation
138
Views
Show that two groups that are isomorphic to a third group are isomorphic to each other
Published on
15 Apr 2026 - 7:28
#group-theory
#self-learning
#group-isomorphism
#group-homomorphism
196
Views
What are the best mathematics books (for a 16 year old) for self learning?
Published on
10 Apr 2026 - 14:00
#reference-request
#self-learning
9.3k
Views
How do you calculate arrival rates and service rates?
Published on
07 Apr 2026 - 20:07
#probability
#self-learning
#operations-research
#queueing-theory
58
Views
Calculus and integration
Published on
10 Apr 2026 - 19:20
#calculus
#integration
#ordinary-differential-equations
#definite-integrals
#self-learning
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