researcher

Andris Ambainis

University of Latvia · active 2001–2026 · QCRYPT, QIP, TQC


24
talks
16
committee roles
3
leadership roles
2001–2026
years active

Contributions

2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 QIP 2001 — invited: Private Quantum Channels and Quantum Authentication QIP 2001 — invited: A New Protocol and Lower Bounds for Quantum Coin Flipping QIP 2001 — invited: Do Quantum Drunks Walk Faster? QIP 2002 — invited: Quantum Random Walks QIP 2004 — invited: Quantum walk algorithms: element distinctness and spatial search QIP 2006 — invited: A new quantum lower bound method, with applications to strong direct product the… QIP 2007 — regular: Quantum search with variable times QIP 2007 — regular: Approximate quantum (t, t)-designs and derandomizing the measurement in a random… QIP 2008 — invited: An O(N^{1/2+o(1)}) time algorithm for evaluating Boolean formulas on a quantum c… ▸ presenter QIP 2008 — invited: An O(N^{1/2+o(1)}) time algorithm for evaluating Boolean formulas on a quantum c… ▸ presenter QIP 2009 — regular: Quantum algorithms are at most polynomially faster than classical for any symmet… ▸ presenter QIP 2009 — regular: Quantum algorithms are at most polynomially faster than classical for any symmet… ▸ presenter TQC 2013 — regular: Provable Advantage for Quantum Strategies in Random Symmetric XOR Games TQC 2013 — regular: Exact Quantum Query Complexity of EXACT and THRESHOLD QCRYPT 2014 — regular: Quantum Attacks on Classical Proof Systems – The Hardness of Quantum Rewinding QIP 2016 — plenary: Separations in Query Complexity Based on Pointer Functions ▸ presenter QIP 2016 — plenary: Separations in Query Complexity Based on Pointer Functions ▸ presenter QIP 2016 — regular: Efficient Quantum Algorithms for (Gapped) Group Testing and Junta Testing ▸ presenter QIP 2016 — regular: Efficient Quantum Algorithms for (Gapped) Group Testing and Junta Testing ▸ presenter QIP 2016 — regular: Forrelation: A Problem that Optimally Separates Quantum from Classical Computing TQC 2016 — invited: biggest possible advantage quantum algorithms ▸ presenter TQC 2016 — invited: biggest possible advantage quantum algorithms ▸ presenter QIP 2018 — regular: Quantum algorithm for tree size estimation, with applications to backtracking an… ▸ presenter QIP 2018 — regular: Quantum algorithm for tree size estimation, with applications to backtracking an… ▸ presenter QIP 2019 — regular: Quantum Speedups for Exponential-Time Dynamic Programming Algorithms ▸ presenter QIP 2019 — regular: Quantum Speedups for Exponential-Time Dynamic Programming Algorithms ▸ presenter QIP 2020 — regular: Quadratic speedup for finding marked vertices by quantum walks TQC 2020 — regular: Quantum algorithms for computational geometry problems TQC 2021 — regular: A note about claw function with a small range QIP 2024 — regular: An Exponential Separation Between Quantum Query Complexity and the Polynomial De… ▸ presenter QIP 2024 — regular: An Exponential Separation Between Quantum Query Complexity and the Polynomial De… ▸ presenter QIP 2024 — plenary_short: An Exponential Separation Between Quantum Query Complexity and the Polynomial De… ▸ presenter QIP 2024 — plenary_short: An Exponential Separation Between Quantum Query Complexity and the Polynomial De… ▸ presenter QIP 2008 — program · member QIP 2011 — program · member QIP 2014 — program · member QIP 2017 — program · chair QIP 2018 — steering · member QIP 2019 — steering · member QIP 2020 — steering · member TQC 2020 — steering · member TQC 2020 — local organising · chair (Chair) TQC 2021 — steering · member TQC 2021 — local organising · chair (Chair) TQC 2022 — steering · member TQC 2023 — steering · member TQC 2024 — steering · member QIP 2026 — steering · member QIP 2026 — local organising · member

QIP   QCrypt   TQC   presenter   award   ·   program  steering  organising  local  ·  filled = chair

Talks

Title Conference Type Co-authors
An Exponential Separation Between Quantum Query Complexity and the Polynomial Degree QIP 2024 regular ▸ presenter Aleksandrs Belovs
An Exponential Separation Between Quantum Query Complexity and the Polynomial Degree QIP 2024 plenary_short ▸ presenter Aleksandrs Belovs
A note about claw function with a small range TQC 2021 regular Kaspars Balodis, Jānis Iraids
Quadratic speedup for finding marked vertices by quantum walks QIP 2020 regular Andras Gilyen, Stacey Jeffery, Mārtiņš Kokainis
Quantum algorithms for computational geometry problems TQC 2020 regular Nikita Larka
Quantum Speedups for Exponential-Time Dynamic Programming Algorithms QIP 2019 regular ▸ presenter Kaspars Balodis, Jānis Iraids, Mārtiņš Kokainis, Krišjānis Prūsis, Jevgēnijs Vihrovs
Quantum algorithm for tree size estimation, with applications to backtracking and 2-player games QIP 2018 regular ▸ presenter Mārtiņš Kokainis
Separations in Query Complexity Based on Pointer Functions QIP 2016 plenary ▸ presenter Kaspars Balodis, Aleksandrs Belovs, Troy Lee, Juris Smotrovs, Miklos Santha
Efficient Quantum Algorithms for (Gapped) Group Testing and Junta Testing QIP 2016 regular ▸ presenter Aleksandrs Belovs, Oded Regev, Ronald de Wolf
Forrelation: A Problem that Optimally Separates Quantum from Classical Computing QIP 2016 regular Scott Aaronson
biggest possible advantage quantum algorithms TQC 2016 invited ▸ presenter
Quantum Attacks on Classical Proof Systems – The Hardness of Quantum Rewinding QCRYPT 2014 regular Ansis Rosmanis, Dominique Unruh
Provable Advantage for Quantum Strategies in Random Symmetric XOR Games TQC 2013 regular Jānis Iraids
Exact Quantum Query Complexity of EXACT and THRESHOLD TQC 2013 regular Jānis Iraids, Juris Smotrovs
Quantum algorithms are at most polynomially faster than classical for any symmetric function QIP 2009 regular ▸ presenter
An O(N^{1/2+o(1)}) time algorithm for evaluating Boolean formulas on a quantum computer QIP 2008 invited ▸ presenter
Quantum search with variable times QIP 2007 regular
Approximate quantum (t, t)-designs and derandomizing the measurement in a random basis QIP 2007 regular
A new quantum lower bound method, with applications to strong direct product theorems QIP 2006 invited Robert Spalek, Ronald de Wolf
Quantum walk algorithms: element distinctness and spatial search QIP 2004 invited
Quantum Random Walks QIP 2002 invited
Private Quantum Channels and Quantum Authentication QIP 2001 invited Alain Tapp, Claude Crepeau, Daniel Gottesman, Michele Mosca, Ronald de Wolf
A New Protocol and Lower Bounds for Quantum Coin Flipping QIP 2001 invited
Do Quantum Drunks Walk Faster? QIP 2001 invited Dorit Aharonov, Julia Kempe, Umesh Vazirani

Committee service

Conference Committee Position Title
QIP 2026 SC member
QIP 2026 Local member
TQC 2024 SC member
TQC 2023 SC member
TQC 2022 SC member
TQC 2021 SC member
TQC 2021 Local chair Chair
QIP 2020 SC member
TQC 2020 SC member
TQC 2020 Local chair Chair
QIP 2019 SC member
QIP 2018 SC member
QIP 2017 PC chair
QIP 2014 PC member
QIP 2011 PC member
QIP 2008 PC member

Collaborators

Co-author Joint talks
Aleksandrs Belovs 4
Jānis Iraids 4
Kaspars Balodis 3
Mārtiņš Kokainis 3
Ronald de Wolf 3
Juris Smotrovs 2
Alain Tapp 1
Andras Gilyen 1
Ansis Rosmanis 1
Claude Crepeau 1
Daniel Gottesman 1
Dominique Unruh 1
Dorit Aharonov 1
Jevgēnijs Vihrovs 1
Julia Kempe 1
Krišjānis Prūsis 1
Michele Mosca 1
Miklos Santha 1
Nikita Larka 1
Oded Regev 1