Costor

SylphyHorn looks really great in comparison to other Virtual desktop tools I've looked at. From Windows 10 Version 2004 (OS Build 19041.450) on, [Virtual Desktops now can be named](https://superuser.com/questions/959258/change-name-of-virtual-desktop-in-windows-10) ....

When scaling to a non-integer multiple of the input dimensions, or to a non-integer division of the input dimensions, nvmpi seg faults. Error message gives location 'line 9: 2566616 Segmentation...

qapply re-write: Full evaluation, no expand(), limited recursion, symbolic powers

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#### References to other Issues or PRs Fixes #24348 Fixes #6268 #### Brief description of what is fixed or changed 0) ``qapply`` is powered by a new generic function lapply...

Quantum Operators * their inverse become scalar 1 instead of IdentityOperator

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### Situation ### Operator classes like `Matrix` or `MatrixSymbol` represent scalar results as multiple of their respective Identity operator, i.e. operator * operator -> operator (except for 0): ``` from...