User Garabed Gulbenkian

5 votes

0 answers

65 views

A question about cyclotomic polynomials.

asked Sep 10, 2014 at 18:23

5 votes

1 answer

291 views

A question about Goodstein's theorem

asked Apr 28, 2015 at 17:35

5 votes

1 answer

195 views

A question about complete metric spaces.

asked Feb 24, 2016 at 19:57

5 votes

3 answers

945 views

A question about straight lines that bisect the area of a triangle

asked Sep 28, 2016 at 20:21

4 votes

1 answer

152 views

A question about how far a well known theorem of Sierpinski can be strengthened

asked Mar 17, 2017 at 19:20

4 votes

1 answer

171 views

A question about a curve on the surface of a sphere

asked Jul 23, 2015 at 18:46

4 votes

1 answer

48 views

A question about angles in the Euclidean plane

asked Sep 3, 2015 at 18:43

4 votes

3 answers

374 views

Can set theory be inverted?

asked Aug 14, 2014 at 19:28

3 votes

0 answers

225 views

A question about rectifiable curves

asked Mar 11, 2014 at 15:15

3 votes

1 answer

263 views

Is it consistent without the axiom of choice that every permutation of some infinite set have fixed points?

asked May 6, 2015 at 20:40

3 votes

1 answer

260 views

Can we prove AC from the statement "There is no $\aleph$ cardinal strictly between $\operatorname{CARD}(X)$ and $\operatorname{CARD}(2^X)$"?

asked May 7, 2015 at 18:31

3 votes

1 answer

761 views

Is the space of subsets of $\mathbb R^n$ with the Hausdorff metric separable?

asked Apr 28, 2016 at 20:21

2 votes

1 answer

165 views

A question about connected Hausdorff spaces.

asked Jun 1, 2014 at 19:09

2 votes

1 answer

464 views

A question about open balls in Hilbert space.

asked Jul 1, 2014 at 19:42

2 votes

2 answers

507 views

Is the distance between disjoint closed convex subsets of a Hilbert space positive? Is it attained?

asked Aug 23, 2014 at 18:47

2 votes

0 answers

41 views

A question about the dimension of topological products

asked Oct 16, 2014 at 22:21

2 votes

1 answer

50 views

A question about straight lines tangent to a sphere in 3-dimensional Euclidean space

asked Dec 30, 2016 at 19:49

2 votes

5 answers

277 views

A question about dense subsets of Euclidean spaces and Hilbert space

asked Jan 1, 2017 at 20:30

2 votes

1 answer

267 views

A question about how to define the centroid of a plane convex body

asked Aug 30, 2016 at 18:59

2 votes

1 answer

67 views

A question about chords that bisect the area of a plane convex set

asked Sep 20, 2016 at 19:47

2 votes

1 answer

1k views

A question about systems of homogeneous polynomial equations

asked Dec 31, 2015 at 21:13

2 votes

1 answer

49 views

A question about open subsets of the plane whose components are the interiors of circles.

asked May 25, 2016 at 19:46

2 votes

1 answer

254 views

A question about extending Lebesgue measure to all subsets of the real numbers.

asked Jun 8, 2016 at 19:57

2 votes

1 answer

215 views

A question about the relative sizes of Measurable and Supercompact Cardinal Numbers.

asked Jun 13, 2016 at 14:17

1 vote

1 answer

282 views

Two questions about first order theories having only finite models.

asked Jul 24, 2016 at 19:37

1 vote

1 answer

105 views

A question about how to pack infinitely many non-overlapping circles into a triangle

asked May 29, 2016 at 19:11

1 vote

0 answers

43 views

A question about Widely Connected subsets of Euclidean spaces

asked May 14, 2016 at 14:41

1 vote

1 answer

191 views

A question about arc-wise connected Metric spaces.

asked Feb 23, 2016 at 15:55

1 vote

1 answer

59 views

A question about plane centro-symmetric convex sets.

asked Sep 13, 2016 at 18:49

1 vote

0 answers

167 views

A question about the connectivity of Jordan domains.

asked Oct 19, 2016 at 14:45

Stack Exchange Network

65 Questions

A question about cyclotomic polynomials.

A question about Goodstein's theorem

A question about complete metric spaces.

A question about straight lines that bisect the area of a triangle

A question about how far a well known theorem of Sierpinski can be strengthened

A question about a curve on the surface of a sphere

A question about angles in the Euclidean plane

Can set theory be inverted?

A question about rectifiable curves

Is it consistent without the axiom of choice that every permutation of some infinite set have fixed points?

Can we prove AC from the statement "There is no $\aleph$ cardinal strictly between $\operatorname{CARD}(X)$ and $\operatorname{CARD}(2^X)$"?

Is the space of subsets of $\mathbb R^n$ with the Hausdorff metric separable?

A question about connected Hausdorff spaces.

A question about open balls in Hilbert space.

Is the distance between disjoint closed convex subsets of a Hilbert space positive? Is it attained?

A question about the dimension of topological products

A question about straight lines tangent to a sphere in 3-dimensional Euclidean space

A question about dense subsets of Euclidean spaces and Hilbert space

A question about how to define the centroid of a plane convex body

A question about chords that bisect the area of a plane convex set

A question about systems of homogeneous polynomial equations

A question about open subsets of the plane whose components are the interiors of circles.

A question about extending Lebesgue measure to all subsets of the real numbers.

A question about the relative sizes of Measurable and Supercompact Cardinal Numbers.

Two questions about first order theories having only finite models.

A question about how to pack infinitely many non-overlapping circles into a triangle

A question about Widely Connected subsets of Euclidean spaces

A question about arc-wise connected Metric spaces.

A question about plane centro-symmetric convex sets.

A question about the connectivity of Jordan domains.