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Sam Jaques

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Top Questions
106 votes

Why does nature favour the Laplacian?

differential-geometry symmetry metric-tensor coordinate-systems differentiation asked Apr 26, 2019 at 14:54
physics.stackexchange.com

17 votes

What is a "fiduciary" (or "fiducial") quantum state?

quantum-information terminology quantum-computer asked Feb 18, 2018 at 22:30
physics.stackexchange.com

9 votes

Can LWE be NP-hard?

post-quantum-cryptography lattice-crypto complexity asked Apr 23, 2020 at 14:49
crypto.stackexchange.com

8 votes

If $\int_0^xf(t)dt=[f(x)]^2$ but $f(x)\neq 0$, what is $f(x)$?

calculus integration differential-equations asked Aug 10, 2015 at 23:13
math.stackexchange.com

8 votes

Prove that a channel is close to acting on only one system

quantum-operation fidelity partial-trace trace-distance asked Aug 24, 2022 at 13:29
quantumcomputing.stackexchange.com

7 votes

How is McEliece chosen plaintext secure?

post-quantum-cryptography chosen-plaintext-attack mceliece asked Mar 4, 2016 at 15:00
crypto.stackexchange.com

7 votes

Forming states of the form $\sqrt{p}\vert 0\rangle+\sqrt{1-p}\vert 1\rangle$

quantum-state circuit-construction superposition state-preparation asked Feb 8, 2019 at 10:41
quantumcomputing.stackexchange.com

7 votes

Could random quantum circuits be efficiently approximately simulated?

complexity-theory quantum-advantage random-quantum-circuit asked Oct 27, 2020 at 10:29
quantumcomputing.stackexchange.com

6 votes

Is there a universal gate set for classical probabilistic computing?

quantum-computing circuit-complexity probabilistic-circuits asked Mar 11, 2019 at 11:59
cstheory.stackexchange.com

6 votes

How can any quantum superposition get produced, given conservation of energy?

quantum-mechanics energy-conservation laser superposition decoherence asked Feb 22, 2022 at 17:10
physics.stackexchange.com

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Top Answers
13
Are there any uses for Shor's algorithm other than breaking public key cryptography
quantumcomputing.stackexchange.com

11
How did they factor RSA 240?
crypto.stackexchange.com

10
Does Shor's algorithm end the search for factoring algorithms in the quantum world of computation?
quantumcomputing.stackexchange.com

9
How does sketching norms show that they are equivalent?
math.stackexchange.com

9
Can we use LEGO bricks to construct a cipher algorithm?
crypto.stackexchange.com

8
Simple explanation of sliding-window and wNAF methods of elliptic curve point multiplication
crypto.stackexchange.com

8
Understanding a quantum algorithm to estimate inner products
quantumcomputing.stackexchange.com

8
If two unitary operators commute, do their roots also commute?
quantumcomputing.stackexchange.com

7
Why do we use the quantum superposition for a period instead of factors in Shor's algorithm?
quantumcomputing.stackexchange.com

6
Why is it false that empty set is not bounded?
math.stackexchange.com

6
Why do Problems for Post-Quantum algorithms have to be NP-Hard?
crypto.stackexchange.com

6
What's the effective speed of quantum computers circa 2022?
quantumcomputing.stackexchange.com

6
Why can quantum walks not approach a stationary distribution
quantumcomputing.stackexchange.com

5
Counterexample to Schmidt Decomposition for 3 systems
math.stackexchange.com

5
Is there a hash function that's more expensive for an attacker than for the server?
crypto.stackexchange.com

5
Test if a finite group is a symmetric group algorithmically
math.stackexchange.com

5
How should I understand the link between $x$ and $| x \rangle $?
quantumcomputing.stackexchange.com

5
Are Toffoli gates actually used in designing quantum circuits?
quantumcomputing.stackexchange.com

5
Definitions of a quantum circuit's depth and connectivity
quantumcomputing.stackexchange.com