Ali Reza's user avatar
Ali Reza's user avatar
Ali Reza's user avatar
Ali Reza
  • Member for 11 years, 11 months
  • Last seen more than 4 years ago
  • Ahvaz, Iran
14 votes
0 answers
1k views

Kaplansky's theorem and Axiom of choice

12 votes
3 answers
4k views

Existence of prime ideals and Axiom of Choice.

9 votes
1 answer
2k views

Minimal prime ideals and Axiom of Choice(revised version)

7 votes
2 answers
704 views

Existence of a compactification of $\mathbb{R}$ with $\aleph_0$ remainder

7 votes
1 answer
762 views

Maximal ideals of the rings of Baire-One Functions

7 votes
4 answers
1k views

Quotient rings of $C(X)$

6 votes
3 answers
1k views

functional subrings

6 votes
1 answer
600 views

Arbitrary small positive lower semi continuous functions

6 votes
2 answers
2k views

A question about some special compactifications of $\mathbb{R}$

6 votes
4 answers
747 views

On Pseudo-finite topological spaces

5 votes
4 answers
522 views

Existence of an arbitrary Small positive continuous real Valued Function

5 votes
1 answer
453 views

Ideals of $C(X)$ with only finitely many number of zerosets

4 votes
1 answer
651 views

special extremally disconnected spaces with only finite isolated points

4 votes
0 answers
2k views

Existence of algebraic closure and Axiom of choice [duplicate]

3 votes
1 answer
437 views

Lindelöf subsets of $P$-spaces

3 votes
1 answer
361 views

Existence of a non-submetrizable topological space $(X, \tau)$

3 votes
1 answer
411 views

Compact subsets and Hausdorffness of topology

3 votes
2 answers
384 views

Ring isomorphism $\Phi \colon C(X) \to C(Y)$ and zero dimensionality of $X$

2 votes
2 answers
749 views

On One point Lindeloffication of topological spaces

2 votes
1 answer
449 views

About subspaces of $F$-spaces

2 votes
1 answer
501 views

Counterexample about Jones lemma with special weak condition.

2 votes
1 answer
391 views

The set of Upper semi-continuous functions as a ring.

1 vote
0 answers
241 views

separability of commutative rings

1 vote
0 answers
245 views

Sums of Strongly z-ideals

1 vote
2 answers
2k views

existence of a field that has a non surjective ring homomorphism [closed]

1 vote
1 answer
684 views

Bases of completely regular (Tychonoff) spaces

1 vote
0 answers
312 views

Non trivial definition of bicontinuous functions and the ring of all bicontinuous functions.

0 votes
3 answers
400 views

Some Questions about zero-dimensional subsets of the unit interval related to cantor set