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15
Math.TechQA.Club
2026-03-26 01:28:36
43
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Solve $v^3v_x+2(ax+by)v_y=bv$ using method of characteristics
Published on
26 Mar 2026 - 1:28
#partial-differential-equations
#proof-explanation
#solution-verification
#characteristics
48
Views
Propositions about Multiple Solutions in LP
Published on
29 Dec 2019 - 16:34
#linear-algebra
#optimization
#convex-optimization
#linear-programming
#solution-verification
167
Views
Prove that $A$ and $B$ are nilpotent - proof checking
Published on
25 Mar 2026 - 22:23
#linear-algebra
#matrices
#solution-verification
#nilpotence
1.6k
Views
A group homomorphism $\varphi:G\to H$ is surjective iff the quotient group $H/{\rm im}~\varphi$ exists?
Published on
29 Dec 2019 - 18:10
#abstract-algebra
#group-theory
#reference-request
#solution-verification
69
Views
Laurent Series on a Square Annulus Confusion
Published on
28 Mar 2026 - 7:36
#complex-analysis
#analysis
#solution-verification
#laurent-series
101
Views
What's wrong with my induction proof?
Published on
29 Dec 2019 - 21:28
#proof-writing
#solution-verification
91
Views
If $f : \mathbb{C} \rightarrow \mathbb{C}$ is an entire function such that $|f(z)| \leq 1 + \sqrt{|z|}$, then $f$ is a constant function
Published on
26 Mar 2026 - 0:53
#complex-analysis
#solution-verification
#cauchy-integral-formula
#entire-functions
418
Views
Proof explanation in Hatcher Algebraic Topology, Lemma 3.27
Published on
30 Dec 2019 - 1:18
#algebraic-topology
#proof-explanation
#homology-cohomology
#solution-verification
53
Views
Three-digit numbers
Published on
30 Dec 2019 - 11:23
#combinatorics
#solution-verification
226
Views
Is binomial coefficient integer? by induction.
Published on
30 Dec 2019 - 11:48
#discrete-mathematics
#solution-verification
194
Views
$R$ is not a principal ideal domain (show)
Published on
28 Mar 2026 - 8:09
#abstract-algebra
#ideals
#solution-verification
#principal-ideal-domains
168
Views
Prop: If $T : V \rightarrow V$ and if $v_1,...,v_n$ is a basis such that $T$ is diagonal, then the $v_i$ are eigenvectors.
Published on
30 Dec 2019 - 18:32
#linear-algebra
#solution-verification
547
Views
Understanding proof that $\operatorname{Ext}^1(P, M)=0\; \forall M$ implies $P$ is projective
Published on
30 Dec 2019 - 19:57
#homological-algebra
#solution-verification
228
Views
Deduce the finite Ramsey theorem from the infinite case.
Published on
26 Mar 2026 - 2:55
#solution-verification
#coloring
#ramsey-theory
#extremal-combinatorics
#extremal-graph-theory
43
Views
Propositional Logic Proof, for proving $\overline{M}$
Published on
30 Dec 2019 - 22:18
#predicate-logic
#solution-verification
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