diff options
Diffstat (limited to 'src/algebra/cycles.spad.pamphlet')
| -rw-r--r-- | src/algebra/cycles.spad.pamphlet | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/algebra/cycles.spad.pamphlet b/src/algebra/cycles.spad.pamphlet index d5747f52..25b44b96 100644 --- a/src/algebra/cycles.spad.pamphlet +++ b/src/algebra/cycles.spad.pamphlet @@ -130,7 +130,7 @@ CycleIndicators: Exports == Implementation where else if i<0 then 0 else - _+/[(spol := trm(partition pt); even? pt => spol; -spol) + +/[(spol := trm(partition pt); even? pt => spol; -spol) for pt in list(partitions i)] divisors: I -> L I @@ -149,7 +149,7 @@ CycleIndicators: Exports == Implementation where cyc n == n = 1 => s 1 - _+/[(eulerPhi(i) / n) * ss(i,numer(n/i)) for i in divisors n] + +/[(eulerPhi(i) / n) * ss(i,numer(n/i)) for i in divisors n] dih n == k := n quo 2 @@ -175,7 +175,7 @@ CycleIndicators: Exports == Implementation where prod := c * prod2 * prod xx * prod - graphs n == _+/[trm2 li for li in list(partitions n)] + graphs n == +/[trm2 li for li in list(partitions n)] cupp: (PTN,SPOL RN) -> SPOL RN cupp(pt,spol) == @@ -206,7 +206,7 @@ CycleIndicators: Exports == Implementation where evspol(fn2,spol) == zero? spol => 0 lc := leadingCoefficient spol - prod := _*/[fn2 i for i in (degree spol)::L(I)] + prod := */[fn2 i for i in (degree spol)::L(I)] lc * prod + evspol(fn2,reductum spol) wreath(spol1,spol2) == evspol(mtpol(#1,spol2),spol1) @@ -269,7 +269,7 @@ EvaluateCycleIndicators(F):T==C where pt:PTN spol:SPOL RN i:I - evp(fn, pt)== _*/[fn i for i in pt::(L I)] + evp(fn, pt)== */[fn i for i in pt::(L I)] eval(fn,spol)== if spol=0 |