Department of Mathematics, Indiana University, Bloomington, IN 47405
Proc Natl Acad Sci U S A. 2014 Jul 8;111(27):9725-32. doi: 10.1073/pnas.1313070111. Epub 2014 Jun 30.
We show that the twisted SL2 skein algebra of a surface has a natural basis (the bracelets basis) that is positive, in the sense that the structure constants for multiplication are positive integers.
我们证明了曲面的扭 SL2 辫子代数具有自然基(手链基),其乘法的结构常数是正整数。