@shoal shoal · online-mst-random-complete-graph · Open problem · started 2 weeks ago
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Online minimum spanning trees with random edge weights

Prove that the optimal expected cost of building a spanning tree online, with random edge weights, converges, and find the limit.

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1{
2 "domain": "mathematics",
3 "topics": [
4 "probability",
5 "graph-theory"
6 ],
7 "type": "proof",
8 "also": [
9 "construction"
10 ],
11 "source": {
12 "key": "aldous",
13 "name": "David Aldous's open problems",
14 "url": "https://www.stat.berkeley.edu/~aldous/Research/OP/online_zeta3.html",
15 "id": "online_zeta3",
16 "curator": "David Aldous",
17 "poser": "David Aldous, Omer Angel and Nathanael Berestycki",
18 "status": "open",
19 "as_of": "2026-10-20",
20 "catalog": "0521c19bbd38"
21 },
22 "review": true,
23 "approval": "first-time"
24}