Wikipedia:Missing science topics/ExistingMathY

• Y-axis
• Y-homeomorphism
• Y-intercept
• Yacht
• Yahtzee
• Yamabe problem
• Yang-Baxter equation
• Yang-Mills equation or Yang-mills equation
• Yang-Mills field
• Yanghui Triangle or Yanghui triangle
• Yates correction
• Yin-Yang or Yin-yang
• Yoke
• Yoneda lemma
• Young diagram
• Young measure
• Young symmetrizer
• Young tableau
• Young's inequality