Inventory rows W3
The cards of the rows of the inventory whose ids start with W3. A card gives the mentions of the item in the sources, and the node of the item when math2 has one.
Niven (or Harshad) numbers A005349 divided by the sum of their digits. W31NJ16J33
| URI | m2://inv/W31NJ16J33 |
|---|---|
| Kind | object |
| Layer | textbook |
| Sources | 1 |
| Outcome | open |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q100193901, Niven (or Harshad) numbers A005349 divided by the sum of their digits. (object). Also OEIS A113315
History
- 2026-10-26: add by m2/dev
cyclic order W32D4V6GJF
| URI | m2://inv/W32D4V6GJF |
|---|---|
| Kind | unknown |
| Layer | textbook |
| Sources | 1 |
| Outcome | open |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q5198223, cyclic order (unknown). Also nLab cyclic order
History
- 2026-10-26: add by m2/dev
Zoomeron equation W36ZE8YHG6
| URI | m2://inv/W36ZE8YHG6 |
|---|---|
| Kind | unknown |
| Layer | textbook |
| Sources | 1 |
| Outcome | open |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q28490366, Zoomeron equation (unknown). Also MathWorld ZoomeronEquation
History
- 2026-10-26: add by m2/dev
Friedhelm Waldhausen W37XZ8TDCR
| URI | m2://inv/W37XZ8TDCR |
|---|---|
| Kind | unknown |
| Layer | textbook |
| Sources | 1 |
| Outcome | out_of_scope (a person, not an item of mathematics) |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q97766, Friedhelm Waldhausen (unknown). Also nLab Friedhelm Waldhausen
History
- 2026-10-26: add by m2/dev
moment of inertia W3BDM8GRKG
| URI | m2://inv/W3BDM8GRKG |
|---|---|
| Kind | definition |
| Layer | textbook |
| Sources | 1 |
| Outcome | open |
| Node | Moment of inertia 08ANASGBXV |
Mentions
- wikidata: Wikidata Q165618, moment of inertia (definition). Also MathWorld MomentofInertia, nLab moment of inertia, ProofWiki Definition:Moment_of_Mass
History
- 2026-10-26: add by m2/dev
Wilfrid Hodges W3D25XZP52
| URI | m2://inv/W3D25XZP52 |
|---|---|
| Kind | unknown |
| Layer | textbook |
| Sources | 1 |
| Outcome | out_of_scope (a person, not an item of mathematics) |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q451634, Wilfrid Hodges (unknown). Also nLab Wilfrid Hodges
History
- 2026-10-26: add by m2/dev
Marshall Harvey Stone W3DB8VV8YR
| URI | m2://inv/W3DB8VV8YR |
|---|---|
| Kind | unknown |
| Layer | textbook |
| Sources | 1 |
| Outcome | out_of_scope (a person, not an item of mathematics) |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q741198, Marshall Harvey Stone (unknown). Also ProofWiki Mathematician:Marshall_Harvey_Stone
History
- 2026-10-26: add by m2/dev
undecidable problem W3JXKPA6AQ
| URI | m2://inv/W3JXKPA6AQ |
|---|---|
| Kind | unknown |
| Layer | textbook |
| Sources | 1 |
| Outcome | open |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q3502995, undecidable problem (unknown). Also MathWorld RecursivelyUndecidable
History
- 2026-10-26: add by m2/dev
fundamental group W3MSQZHJAB
| URI | m2://inv/W3MSQZHJAB |
|---|---|
| Kind | definition |
| Layer | textbook |
| Sources | 1 |
| Outcome | open |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q662830, fundamental group (definition). Also EoM Fundamental_group, MathWorld FundamentalGroup, nLab fundamental group, ProofWiki Definition:Fundamental_Group
History
- 2026-10-26: add by m2/dev
safe prime W3PQDVEVCW
| URI | m2://inv/W3PQDVEVCW |
|---|---|
| Kind | object |
| Layer | textbook |
| Sources | 1 |
| Outcome | open |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q2298723, safe prime (object). Also OEIS A005385
History
- 2026-10-26: add by m2/dev
theory of algebraic numbers W3XZXGFBYS
| URI | m2://inv/W3XZXGFBYS |
|---|---|
| Kind | topic |
| Layer | textbook |
| MSC | 11R04 |
| Sources | 1 |
| Outcome | open |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q114498250, theory of algebraic numbers (topic)
History
- 2026-10-26: add by m2/dev
antenna graph W3YD72SJVE
| URI | m2://inv/W3YD72SJVE |
|---|---|
| Kind | unknown |
| Layer | textbook |
| Sources | 1 |
| Outcome | open |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q3115456, antenna graph (unknown). Also House of Graphs 947, MathWorld AntennaGraph
History
- 2026-10-26: add by m2/dev
degree of freedom W3ZCZP46R5
| URI | m2://inv/W3ZCZP46R5 |
|---|---|
| Kind | unknown |
| Layer | textbook |
| Sources | 1 |
| Outcome | open |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q274502, degree of freedom (unknown). Also MathWorld DegreeofFreedom, nLab degree of freedom
- wikidata: Wikidata Q3253731, degrees of freedom (unknown). Also MathWorld DegreeofFreedom
History
- 2026-10-26: add by m2/dev