# OCME · Knowledge & practice explorer

302 MKO / 1,441 families / 360 batches / 36,000 questions.

36,000 second-context math/bilingual reviewed; 0 display/symbol-checked candidates. Source questions: candidate. English: ai_candidate. No new proof, Lean, SREG or training.

1 results; page 1/1.

## Question 13957: The Exact l1 Operator Norm Uses Absolute Column Sums

- ID: `q-20261014-advance-20261028-r05-bounded-linear-operator-0007`; number: 13957
- Processing: second_context_reviewed
- MKO: [mko-bounded-linear-operator](/en/mko/mko-bounded-linear-operator/)
- Family: [qf-mod28-operator-l1-norm](/en/explore/?family=qf-mod28-operator-l1-norm)
- Batch: [batch-20261014-advance-20261028-r05-bounded-linear-operator-foundations](/en/explore/?batch=batch-20261014-advance-20261028-r05-bounded-linear-operator-foundations)
- [Derivation](/en/questions/q-20261014-advance-20261028-r05-bounded-linear-operator-0007/) / [Markdown](/en/questions/q-20261014-advance-20261028-r05-bounded-linear-operator-0007/index.md) / [JSON](/data/question-derivations/questions/q-20261014-advance-20261028-r05-bounded-linear-operator-0007.json)