A family of highest weight categories of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>𝔤𝔩</mml:mi> <mml:mo>(</mml:mo> <mml:mi>∞</mml:mi>
<jats:p> We study a family of categories of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>𝔤𝔩</mml:mi> <mml:mo>(</mml:mo> <mml:mi>∞</mml:mi>...