cicle de increment de signe igual a zero: [ eulerià ]
< a_{11},...,a_{1n},...,a_{nn},...,a_{n1},...,a_{11} > <==> inc-sig(A) = 0
< a_{11},...,a_{n1},...,a_{nn},...,a_{1n},...,a_{11} > <==> inc-sig(A) = 0
< a_{11},...,a_{nn},...,a_{n1},...,a_{11} > <==> inc-sig(A) = 0
< a_{11},...,a_{nn},...,a_{1n},...,a_{11} > <==> inc-sig(A) = 0
< a_{11},...,a_{1m},...,a_{nm},...,a_{n1},...,a_{11} > <==> inc-sig(A) = 0
< a_{11},...,a_{n1},...,a_{nm},...,a_{1m},...,a_{11} > <==> inc-sig(A) = 0
< a_{11},...,a_{n1},...,a_{nn},...,a_{n(2n+(-1))},...,a_{(2n+(-1))(2n+(-1))},...
...,a_{(2n+(-1))n},...,a_{nn},...,a_{1n},...,a_{11} > <==> inc-sig(A) = 0
< a_{11},...,a_{1n},...,a_{nn},...,a_{(2n+(-1))n},...,a_{(2n+(-1))(2n+(-1))},...
...,a_{n(2n+(-1))},...,a_{nn},...,a_{n1},...,a_{11} > <==> inc-sig(A) = 0
< a_{11},...,a_{nn},...,a_{(2n+(-1))(2n+(-1))},...
...,a_{(2n+(-1))n},...,a_{nn},...,a_{1n},...,a_{11} > <==> inc-sig(A) = 0
< a_{11},...,a_{nn},...,a_{(2n+(-1))(2n+(-1))},...
...,a_{n(2n+(-1))},...,a_{nn},...,a_{n1},...,a_{11} > <==> inc-sig(A) = 0
< a_{11},...,a_{n1},...,a_{nn},...,a_{(2n+(-1))n},...
...,a_{(2n+(-1))1},...,a_{n1},...,a_{nn},...,a_{1n},...,a_{11} > <==> inc-sig(A) = 0
< a_{11},...,a_{1n},...,a_{nn},...,a_{n(2n+(-1))},...
...,a_{1(2n+(-1))},...,a_{1n},...,a_{nn},...,a_{n1},...,a_{11} > <==> inc-sig(A) = 0
< a_{11},...,a_{1n},...,a_{nn},...,a_{n1},...,a_{(2n+(-1))1},...
...,a_{(2n+(-1))n},...,a_{nn},...,a_{n1},...,a_{11} > <==> inc-sig(A) = 0
< a_{11},...,a_{n1},...,a_{nn},...,a_{1n},...,a_{1(2n+(-1))},...
...,a_{n(2n+(-1))},...,a_{nn},...,a_{1n},...,a_{11} > <==> inc-sig(A) = 0
cicle se increment de signe diferent de zero: [ hamiltonià ]
< a_{1},a_{2},a_{3},a_{1} > <==> inc-sig(A) = 1
< a_{1},...(n)...,a_{n},a_{1} > <==> inc-sig(A) = n+(-2)
< a_{11},a_{22},a_{33},a_{11} > <==> inc-sig(A) = 2
< a_{11},...(n)...,a_{nn},a_{11} > <==> inc-sig(A) = 2n+(-4)
< a_{1...(k)...1},a_{2...(k)...2},a_{3...(k)...3},a_{1...(k)...1} > <==> inc-sig(A) = k
< a_{1...(k)...1},...(n)...,a_{n...(k)...n},a_{1...(k)...1} > <==> inc-sig(A) = kn+(-2)·k
< a_{1},a_{3},a_{2},a_{1} > <==> inc-sig(A) = (-1)
< a_{1},a_{3},a_{5},a_{4},a_{3},a_{2},a_{1} > <==> inc-sig(A) = (-2)
< a_{1},a_{3},a_{5},a_{7},a_{6},a_{5},a_{4},a_{3},a_{2},a_{1} > <==> inc-sig(A) = (-3)
< a_{1},...(2k+1)...,a_{2n+1},a_{2n},...(k)...,a_{1} > <==> inc-sig(A) = (-n)
< a_{1},...(2k+1)...,a_{2n+1},a_{2n+3},a_{2n+2},a_{2n+1},a_{2n},...(k)...,a_{1} > ...
...<==> inc-sig(A) = (-n)+(-2)+1