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omega-stable
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6 votes
1 answer
239 views

Powers of complex numbers.

6 votes
3 answers
171 views

Independence and algebraic closure for stable theories.

5 votes
1 answer
62 views

Filter characterization for Boolean Algebras

5 votes
1 answer
214 views

General method for writing $\sqrt{a+\sqrt{b}}$ as $c + \sqrt{d}$

4 votes
1 answer
2k views

Ideal of direct sum of rings.

3 votes
1 answer
144 views

Galois group of extensions over quasi-finite fields

3 votes
1 answer
59 views

What does this group look like?

3 votes
1 answer
48 views

$a^+$ Induced Order

3 votes
1 answer
157 views

Prove that either $A=\Delta B$ or $A=\Delta C$

3 votes
1 answer
91 views

If $\operatorname{trcl}(x) \in L_\alpha$ , then $x \in L_\alpha$

3 votes
1 answer
58 views

Prove that $m$ is a torsion element.

3 votes
2 answers
109 views

Why is $\mathbb Q[x] \ncong \mathbb Q[x,y]$?

3 votes
0 answers
75 views

Question about Davenport's cyclotomy result.

3 votes
3 answers
120 views

Can $n! $ divide $ n! + \frac{n!}{2} + \dots + \frac{n!}{n} $?

3 votes
1 answer
76 views

Stable group acting on a type definable set.

3 votes
1 answer
113 views

Formula witnessing Morley Rank.

2 votes
1 answer
58 views

Partitioning a definable set of Morley degree $d$ into $d$ definable disjoint sets of Morley degree $1$.

2 votes
0 answers
95 views

Application of Erdös-Rado to find extract indiscernible sequence.

2 votes
1 answer
268 views

Continuity of inverse function (via sequences)

2 votes
0 answers
99 views

Integral form of a limit

2 votes
1 answer
52 views

Aproximation to an ODE

2 votes
1 answer
167 views

Existentially closed model

1 vote
1 answer
376 views

Limit of a Lipschitz function

1 vote
2 answers
93 views

Supose $f'(x) \ge M \gt 0$ for every $x \in [0,1]$...

1 vote
1 answer
231 views

Let $E$ be an idempotent operator:

1 vote
1 answer
498 views

If $(Tx \mathbin{|} x) = 0$ for all $x$ then $T = 0$

1 vote
2 answers
47 views

"Non countable" Series or products

1 vote
1 answer
42 views

Complex power series in a disk of radius $1$

1 vote
1 answer
35 views

Non- linear ODE's with no independent variable

1 vote
1 answer
51 views

Is $f$ constant?