trace class operator

compact operator for which a finite trace can be defined
Thing general Q977297
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trace class operator

Summary

trace class operator ranks in the top 2% of general entities by monthly Wikipedia readership (93 views/month).[1]

Key Facts

  • trace class operator's subclass of is recorded as nuclear operator[2].
  • trace class operator's Freebase ID is recorded as /m/01b9bb[3].
  • trace class operator's defining formula is recorded as \sum_i\langle e_i,\sqrt{A^A}e_i\rangle < \infty<sup id="cite-C3" class="cite-ref" title="trace class operator — defining formula (P2534): \sum_i\langle e_i,\sqrt{A^A}e_i\rangle < \infty">[4].
  • trace class operator's MathWorld ID is recorded as Trace-ClassOperator[5].
  • trace class operator's nLab ID is recorded as trace-class operator[6].
  • trace class operator's maintained by WikiProject is recorded as WikiProject Mathematics[7].
  • trace class operator's Microsoft Academic ID is recorded as 131229623[8].
  • trace class operator's OpenAlex ID is recorded as C131229623[9].

Why It Matters

trace class operator ranks in the top 2% of general entities by monthly Wikipedia readership (93 views/month).[1] It has Wikipedia articles in 10 language editions, a strong signal of global cultural recognition.[10] It is known by 20 alternative names across languages and contexts.[11]

📑 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). trace class operator. Retrieved April 10, 2026, from https://4ort.xyz/entity/trace-class-operator
MLA “trace class operator.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/trace-class-operator.
BibTeX @misc{4ortxyz_trace-class-operator_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{trace class operator}}, year = {2026}, url = {https://4ort.xyz/entity/trace-class-operator}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): trace class operator — https://4ort.xyz/entity/trace-class-operator (retrieved 2026-04-10)

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