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URL:https://uwaterloo.ca/institute-for-quantum-computing/events/qma-and-pow
 er-positivity
LOCATION:QNC - Quantum Nano Centre 200 University Avenue West QNC 1201 Wate
 rloo ON N2L 3G1 Canada
SUMMARY:QMA and the Power of ‘Positivity’
CLASS:PUBLIC
DESCRIPTION:CS/MATH SEMINAR - KUNAL MARWAHA - UNIVERSITY OF CHICAGO\n\n200 
 University Ave. Waterloo ON. QNC 1201 + ZOOM\n\nWe study a variant of QMA 
 where quantum proofs have non-negative\namplitudes in both completeness an
 d soundness. This class was\nintroduced by Jeronimo and Wu [STOC '23] to u
 nderstand QMA(2). We show\nthat this variant is very powerful even without
  considering multiple\nunentangled quantum provers. In fact\, QMA+ with so
 me constant gap is\nequal to NEXP\, even though QMA+ with some other const
 ant gap is equal\nto QMA.
DTSTAMP:20260425T030033Z
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