Cross-cap

Summary

Cross-cap is a surface^[1]. Cross-cap draws 32 Wikipedia views per month (surface category, ranking #3 of 4).^[2]

Key Facts

• Cross-cap's image is recorded as CrossCapTwoViews.PNG^[3].
• Cross-cap's instance of is recorded as surface^[4].
• Cross-cap's Commons category is recorded as Cross-cap^[5].
• Cross-cap's Freebase ID is recorded as /m/01r55x^[6].
• Cross-cap's MathWorld ID is recorded as Cross-Cap^[7].
• Cross-cap's maintained by WikiProject is recorded as WikiProject Mathematics^[8].
• Cross-cap's Microsoft Academic ID is recorded as 112019140^[9].

Why It Matters

Cross-cap draws 32 Wikipedia views per month (surface category, ranking #3 of 4).^[2] Cross-cap has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.^[10] Cross-cap is known by 6 alternative names across languages and contexts.^[11]