Stiebitz et al(2006), Yu(2008) and Kurt(2009) has separately shown implies Goldberg Conjecture. While Yu's method gives a methodological approach to the general problem, Kurt provides a very short and elementary proof.

Scheide (2008) has shown implies the Goldberg Conjecture.

Kurt(2009) has shown implies the Goldberg Conjecture.

## Latest Developments

Stiebitz et al(2006), Yu(2008) and Kurt(2009) has separately shown implies Goldberg Conjecture. While Yu's method gives a methodological approach to the general problem, Kurt provides a very short and elementary proof.

Scheide (2008) has shown implies the Goldberg Conjecture.

Kurt(2009) has shown implies the Goldberg Conjecture.