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strange behavior in kernel (identified in PushForward) #3284
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I wonder if this is related to #3165 (comment), since Is there a homogeneous version of this issue you've observed, or does it happen only in the inhomogeneous case? cc: @Devlin-Mallory |
I had a conversation with Claudiu Raicu about especially the third example. He provided the following minimal code showing the kernel giving an incorrect answer that didn't need
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could it be related to #2004 ? |
I've discovered this in the
PushForward
package, but I believe the issue is withkernel
. Notably, sometimespushFwd
gives the wrong answer and other times it has an error. This is an issue on both 1.24.05 and 1.22.For instance, using a multi-graded setup,
In a singly graded setup, I get the right answer.
What's worse though, in the multi-graded setup, sometimes I get no error but instead the wrong answer if the source is QQ (instead of QQ[]). In the singly graded setup I don't have this issue.
You can see in the above I am getting the wrong module out of
pushFwd
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