#  Kaifeng Bu (Ohio State): Hamiltonian Decoded Quantum Interferometry for General Pauli Hamiltonians 

 



####  calendar\_today Date and Time 

 **April 29, 2026** 

 03:00PM - 04:00PM EDT 

####  pin\_drop Location 

 **Jefferson 368 and Zoom https://harvard.zoom.us/j/779283357?pwd=MitXVm1pYUlJVzZqT3lwV2pCT1ZUQT09**  

Passcode: 657361

 

 

 



 

Speaker: Kaifeng Bu (Ohio State)

Title: Hamiltonian Decoded Quantum Interferometry for General Pauli Hamiltonians

Abstract: Decoded Quantum Interferometry (DQI) has been recently proposed as a new quantum algorithm for optimization. Hamiltonian Decoded Quantum Interferometry (HDQI), an extension of DQI, adapts this paradigm to Hamiltonian optimization and Gibbs state preparation. In this work, I will introduce HDQI for general Pauli Hamiltonians and discuss its application to the approximation of Gibbs states.



 

 



 

 

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