16

Questions

votes newest views recent

2

votes

3

answers

478

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Is there a (standard) name for $\bar{A}\setminus A$?

gn.general-topology notation soft-question

jan 13 at 8:54 practical 21●1●2

4

votes

0

answers

63

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$L_{\omega_1,\omega}$ sentence with many automorphism in $\aleph_0$ and few automorphism in $\aleph_\omega$

model-theory lo.logic

nov 19 at 20:40 Ioannis Souldatos 815●2●10

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2

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181

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Is the generalized Baire space complete?

soft-question reference-request gn.general-topology descriptive-set-theory

nov 14 at 15:18 Toby Bartels 923●4●10

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11

votes

3

answers

327

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Disjoint stationary sets that reflect

lo.logic set-theory

nov 6 at 21:19 Todd Eisworth 1,193●3●11

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4

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1

answer

236

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Characterizing $\omega_1$-like dense linear orderings

reference-request order-theory linear-orders set-theory

aug 8 at 1:40 Joel David Hamkins 75.5k●8●189●347

6

votes

2

answers

281

views

How big $|Aut(M)|$ can be, given $|\partial Aut(M)|$?

lo.logic topology topological-groups automorphism-groups

nov 30 at 16:52 Ioannis Souldatos 815●2●10

2

votes

1

answer

184

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Countable structures with uncountable many automorphisms

lo.logic automorphism-groups automorphisms infinitary-logic

aug 2 at 18:50 Trevor Wilson 1,506●6●14

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4

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1

answer

264

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Is there a statement equivalent to a sentence admitting $(\alpha^{+n},\alpha)$?

lo.logic set-theory model-theory

may 23 12 at 22:54 David Milovich 681●3●10

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1k

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Problems with Journal Submissions due to arXiv Submission? [closed]

arxiv lo.logic soft-question advice journals

mar 14 12 at 19:46 Ioannis Souldatos 815●2●10

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6

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1

answer

300

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GCH+ Kurepa Families

set-theory forcing large-cardinals reference-request

aug 6 at 6:21 Philipp Schlicht 243●2●5