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DTSTART:20230312T070000
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DTSTART:20221106T060000
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DTSTART;TZID=America/Toronto:20230523T120000
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URL:https://uwaterloo.ca/institute-for-quantum-computing/events/iqc-student
 -seminar-featuring-sarah-meng-li
LOCATION:QNC - Quantum Nano Centre 200 University Avenue West QNC 1201 Wate
 rloo ON N2L 3G1 Canada
SUMMARY:IQC Student Seminar featuring Sarah Meng Li
CLASS:PUBLIC
DESCRIPTION:GRAPHICAL CSS CODE TRANSFORMATION USING ZX CALCULUS\n\nAbstract
 : In this work\, we present a generic approach to transform CSS\ncodes by 
 building upon their equivalence to phase-free ZX diagrams.\nUsing the ZX c
 alculus\, we demonstrate diagrammatic transformations\nbetween encoding ma
 ps associated with different codes. As a motivating\nexample\, we give exp
 licit transformations between the Steane code and\nthe quantum Reed-Muller
  code\, since by switching between these two\ncodes\, one can obtain a fau
 lt-tolerant universal gate set. To this\nend\, we propose a bidirectional 
 rewrite rule to find a (not\nnecessarily transversal) physical implementat
 ion for any logical ZX\ndiagram in any CSS code. \n\nThen we focus on two 
 code transformation techniques: code morphing\, a\nprocedure that transfor
 ms a code while retaining its fault-tolerant\ngates\, and gauge fixing\, w
 here complimentary codes (such as the Steane\nand quantum Reed-Muller code
 s) can be obtained from a common subsystem\ncode. We provide explicit grap
 hical derivations for these techniques\nand show how ZX and graphical enco
 der maps relate several equivalent\nperspectives on these code transformin
 g operations.
DTSTAMP:20260406T141635Z
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