As you can see below, I must have been able to create an algebraic number that looks like zero, but comes with non-equal kernels.

That shouldn't happen, right?

It's probably a problem with the cache of kernels, but why that is I do not quite understand. Where should I take a closer look?

Ralf

%%% (552) -> hhh

                 +--+        +--+
          - 325 \|33  + 325 \|33
   (552)  -----------------------
                  1179648
Type: AlgebraicNumber
%%% (553) -> numer hhh

                 +--+        +--+
   (553)  - 325 \|33  + 325 \|33
Type: SparseMultivariatePolynomial(Integer,Kernel(AlgebraicNumber))
%%% (554) -> kernels hhh

            +--+   +--+
   (554)  [\|33 , \|33 ]
Type: List(Kernel(AlgebraicNumber))
%%% (555) -> l := kernels hhh

            +--+   +--+
   (555)  [\|33 , \|33 ]
Type: List(Kernel(AlgebraicNumber))
%%% (556) -> l.1

           +--+
   (556)  \|33
Type: Kernel(AlgebraicNumber)
%%% (557) -> l.1=l.2

           +--+    +--+
   (557)  \|33  = \|33
Type: Equation(Kernel(AlgebraicNumber))
%%% (558) -> (l.1=l.2)@Boolean

   (558)  false
Type: Boolean

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