Inventory rows EN
The cards of the rows of the inventory whose ids start with EN. A card gives the mentions of the item in the sources, and the node of the item when math2 has one.
Beastly (or hateful) numbers: numbers containing the string 666 in their decimal expansion. EN5VVPYX7N
| URI | m2://inv/EN5VVPYX7N |
|---|---|
| Kind | object |
| Layer | textbook |
| Sources | 1 |
| Outcome | open |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q100194614, Beastly (or hateful) numbers: numbers containing the string 666 in their decimal expansion. (object). Also OEIS A051003
History
- 2026-10-26: add by m2/dev
Rhombic icosahedron EN7664ZY0E
| URI | m2://inv/EN7664ZY0E |
|---|---|
| Kind | concept |
| Layer | textbook |
| Sources | 1 |
| Outcome | open |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q3791716, Rhombic icosahedron (concept). Also MathWorld RhombicIcosahedron
History
- 2026-10-26: add by m2/dev
Wall's finiteness obstruction ENBFH40FTZ
| URI | m2://inv/ENBFH40FTZ |
|---|---|
| Kind | unknown |
| Layer | textbook |
| Sources | 1 |
| Outcome | open |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q7962581, Wall's finiteness obstruction (unknown). Also nLab Wall's finiteness obstruction
History
- 2026-10-26: add by m2/dev
barrelled space ENCBD349T9
| URI | m2://inv/ENCBD349T9 |
|---|---|
| Kind | unknown |
| Layer | textbook |
| Sources | 1 |
| Outcome | open |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q2090232, barrelled space (unknown). Also EoM Barrelled_space
History
- 2026-10-26: add by m2/dev
CIK (necklace, indistinct, unlabeled) transform of powers of 2. ENCYR3P2CY
| URI | m2://inv/ENCYR3P2CY |
|---|---|
| Kind | object |
| Layer | textbook |
| Sources | 1 |
| Outcome | open |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q100194639, CIK (necklace, indistinct, unlabeled) transform of powers of 2. (object). Also OEIS A055891
History
- 2026-10-26: add by m2/dev
Poincaré duality ENJNS8FFTR
| URI | m2://inv/ENJNS8FFTR |
|---|---|
| Kind | statement |
| Layer | textbook |
| MSC | 55-XX |
| Sources | 3 |
| Outcome | open |
| Node | None yet. Write the node. |
Mentions
- mathlib_1000: mathlib_1000 Q2063099, Poincaré duality theorem (statement). Also Wikidata Q2063099
- thousand_plus: thousand_plus Q2063099, Poincaré duality theorem (statement). Also Wikidata Q2063099, Wikipedia Poincaré duality theorem
- wikidata: Wikidata Q2063099, Poincaré duality (statement). Also EoM Poincaré_duality, nLab Poincaré duality
History
- 2026-10-26: add by m2/dev
ENR8DVYGVX ENR8DVYGVX
| URI | m2://inv/ENR8DVYGVX |
|---|---|
| Kind | statement |
| Layer | textbook |
| Sources | 1 |
| Outcome | open |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q203 (statement). Also MathWorld 5, ProofWiki 5
History
- 2026-10-26: add by m2/dev
square array ENRWB6ZY6X
| URI | m2://inv/ENRWB6ZY6X |
|---|---|
| Kind | unknown |
| Layer | textbook |
| Sources | 1 |
| Outcome | open |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q141189537, square array (unknown). Also MathWorld SquareArray
History
- 2026-10-26: add by m2/dev
Schwarz triangle ENSEWD8YS7
| URI | m2://inv/ENSEWD8YS7 |
|---|---|
| Kind | concept |
| Layer | textbook |
| Sources | 1 |
| Outcome | open |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q3890103, Schwarz triangle (concept). Also MathWorld SchwarzTriangle
History
- 2026-10-26: add by m2/dev
triacontahedron ENW0J8YX8Z
| URI | m2://inv/ENW0J8YX8Z |
|---|---|
| Kind | unknown |
| Layer | textbook |
| Sources | 1 |
| Outcome | open |
| Node | None yet. Write the node. |
Mentions
- wikidata: Wikidata Q115864189, triacontahedron (unknown). Also MathWorld Triacontahedron
History
- 2026-10-26: add by m2/dev