depth

invariant of rings and modules in algebra
Thing general Q3406905
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depth

Summary

depth ranks in the top 2% of general entities by monthly Wikipedia readership (9 views/month).[1]

Key Facts

  • depth's subclass of is recorded as invariant[2].
  • depth's Freebase ID is recorded as /m/02prpy1[3].
  • depth's defining formula is recorded as \operatorname{depth}_I(M)=\min{i\colon\operatorname{Ext}^i(R/I,M)\neq 0}[4].
  • depth's maintained by WikiProject is recorded as WikiProject Mathematics[5].
  • depth's in defining formula is recorded as \operatorname{depth}[6].
  • depth's in defining formula is recorded as M[7].
  • depth's in defining formula is recorded as R[8].
  • depth's in defining formula is recorded as I[9].
  • depth's in defining formula is recorded as /[10].
  • depth's in defining formula is recorded as \operatorname{Ext}[11].
  • depth's Encyclopedia of Mathematics article ID is recorded as Depth_of_a_module[12].

Why It Matters

depth ranks in the top 2% of general entities by monthly Wikipedia readership (9 views/month).[1] depth has Wikipedia articles in 10 language editions, a strong signal of global cultural recognition.[13]

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). depth. Retrieved April 11, 2026, from https://4ort.xyz/entity/depth-q3406905
MLA “depth.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Apr. 2026, https://4ort.xyz/entity/depth-q3406905.
BibTeX @misc{4ortxyz_depth-q3406905_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{depth}}, year = {2026}, url = {https://4ort.xyz/entity/depth-q3406905}, note = {Accessed: 2026-04-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): depth — https://4ort.xyz/entity/depth-q3406905 (retrieved 2026-04-11)

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