DETERMINANT OF INCIDENCE MATRIX OF NIL-ALGEBRA

@inproceedings{Lee2002DETERMINANTOI,
  title={DETERMINANT OF INCIDENCE MATRIX OF NIL-ALGEBRA},
  author={Woo Lee},
  year={2002}
}
The incidence matrices corresponding to a nil-algebra of finite index n can be used to determine the nilpotency. We find the smallest positive integer m such that the sum of the incidence matrices P P hn; mi P is invertible. In this paper, we give a dierent proof of the case that the nil-algebra of index 2 has nilpotency less than or equal to 4. 

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