<t>1) 1y carry = r(1, 9)-r(0, 10)2) 1y carry = (r(0,10)-libor fixing)/(swap dv01)Both are, provided you are careful by what you mean by "swap dv01". With some simple algebra you can show that the two definitions are equivalent (I can see if I still have the note I wrote some time ago to convince mys...