pith. sign in

arxiv: 2605.30724 · v1 · pith:A2UXTUQEnew · submitted 2026-05-29 · 🪐 quant-ph

Research progress on quantum neural networks and quantum machine learning

Pith reviewed 2026-06-28 22:24 UTC · model grok-4.3

classification 🪐 quant-ph
keywords quantum neural networksquantum machine learningQNN architecturesperformance metricsquantum convolutional networksquantum reservoir computingquantum reinforcement learning
0
0 comments X

The pith

A survey reviews quantum neural network architectures and summarizes their performance in accuracy, training time, and resources.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

This paper surveys quantum neural networks as an approach that applies quantum mechanics to machine learning tasks such as data analysis and pattern recognition. It examines fully connected QNNs, quantum convolutional neural networks, equivariant QNNs, quantum Hopfield networks, quantum Boltzmann machines, quantum reservoir computing, and composite networks used for reinforcement learning, generative learning, and transfer learning. The authors collect reported results on learning accuracy, training time, and resource requirements for each type. A sympathetic reader would care because the review shows that each architecture has its own strengths and weaknesses for different applications.

Core claim

The survey examines various QNN approaches, including fully connected QNNs, quantum convolutional neural networks, equivariant QNNs, quantum Hopfield networks, quantum Boltzmann machines, quantum reservoir computing, and composite networks for quantum reinforcement learning, quantum generative learning, and quantum transfer learning. We summarize the relevant investigations on their performance, including learning accuracy, training time, and resource requirements, etc. Each QNN type has unique strengths and weaknesses, offering diverse solutions for different applications.

What carries the argument

The taxonomy of QNN types (fully connected, convolutional, equivariant, Hopfield, Boltzmann, reservoir, and composite) and the collection of their performance metrics across applications.

If this is right

  • Each QNN type offers unique strengths and weaknesses suited to different machine learning applications.
  • Performance in learning accuracy, training time, and resource requirements varies by architecture.
  • Composite networks support quantum reinforcement learning, generative learning, and transfer learning.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

  • Practitioners could match QNN type to task requirements to balance accuracy against hardware costs.
  • Standardized reporting of metrics across studies would strengthen future comparisons of these architectures.
  • The review implies that quantum effects in these networks may help address growing data volumes in classical machine learning.

Load-bearing premise

The reviewed studies provide comparable performance metrics that can be meaningfully summarized across different QNN architectures and applications without major inconsistencies in experimental setups or reporting standards.

What would settle it

Discovery that many reviewed studies use incompatible experimental setups or report metrics in non-comparable ways would prevent reliable cross-architecture summarization.

Figures

Figures reproduced from arXiv: 2605.30724 by Boyuan Sun, Jiameng Tian, Xiangdong Zhang, Yifan Sun.

Figure 1
Figure 1. Figure 1: Timeline highlighting major advancements several basic structures of QNNs and quantum machine learning. Those ones highly relevant to this review are marked out by colored background. reinforcement learning, generative learning, transfer learning, or unsupervised learning). Consequently, one must tune the parameters of a QNN so that the deviation (or bias) of the model output from the target output is mini… view at source ↗
Figure 2
Figure 2. Figure 2: (a) A sketch of a Classical NN, with input data vector 𝑥. (b) The FCQNN, with input data carried by quantum state |𝑥⟩. (c) The QCNNs. 𝜌𝑖𝑛 denotes the density matrix of the input. (d) The QDNNs. (e) The QBMs. Several qubits are used as the hidden ones, and others are used as the visible ones. (f) The QRCs. The blue blocks, orange blocks, and the green blocks represent single qubit gates, two-qubit gates, an… view at source ↗
Figure 3
Figure 3. Figure 3: The learning process of a QNN vs a classical NN, in a generalized perspective of data flow. By using a QNN (the left panel), the data is encoded by quantum states (in the subspace 1 ), and transformed to other states (in the subspace 2 ). The training is done by computing the loss function of the output states, and updating the parameters of the QNN. By using a classical NN (the right panel), the data is… view at source ↗
Figure 4
Figure 4. Figure 4: A graphic illustration of the core requirements of QRL, QGL, and QTL. The roles of the basic types of the QNN for those learning paradigms are also illustrated, as indicated by blue arrows. The quantum operations on states, such as applying quantum algorithms or performing measurements, can be employed as a quantum version of alignment and reward feedback, as indicated by red arrows. combine into more comp… view at source ↗
Figure 5
Figure 5. Figure 5: Schematic of a QTL framework. A QNN-based agent interacts with an environment by observing a state 𝑠𝑡 , selecting an action 𝑎𝑡 according to its policy, and receiving a reward 𝑟𝑡 as the environment transitions to a new state 𝑠𝑡+1 with probability 𝑝(𝑠𝑡+1|𝑠𝑡 , 𝑎𝑡 ). After collecting a set of transitions (𝑠𝑡 , 𝑎𝑡 , 𝑟𝑡 , 𝑠𝑡+1), the agent is updated using a suitable optimization algorithm. Moreover, Grover-like … view at source ↗
Figure 6
Figure 6. Figure 6: A schematic of QGANs. The generator and discriminator are QNNs. The adversarial training of them finally reaches the point that the data output by the generator cannot be picked out from the real data by the discriminator. is transferable and how to adapt it effectively. This assessment is performed by an alignment subroutine, which measures the similarity between the source and target distributions and id… view at source ↗
Figure 7
Figure 7. Figure 7: A schematic of QNNs for transfer learning. The information learned from the source data are aligned to the learning process of target data. 5. QNNs with Other Structures Beyond the previously discussed families of QNNs, several other architectures incorporate specific structural innovations that enhance their expressivity, trainability, or applicability to particular tasks. Although these structures have r… view at source ↗
Figure 8
Figure 8. Figure 8: An illustration of using decomposition as a network. The whole structure could be reformed as a layerwised structure under special constrains. vectorized nonlinear activation function that acts elementwise on each component of a vector (possibly with different particular form per component). Then, a nonlinear PBNN can be defined as 𝑓̃(𝐱; 𝜽̃) = 𝜎 [ 𝑾 𝐾 ( 𝒑𝐾, 𝜎 [ 𝑾 𝐾−1 ( 𝒑𝐾−1, ⋯ 𝜎 [ 𝑾 2 ( 𝒑2 , 𝜎 [ 𝑾 1 ( 𝒑1 ,… view at source ↗
read the original abstract

Machine learning holds fundamental computational significance due to the increasing demand for efficient solutions to complex tasks in data analysis, pattern recognition, and optimization, which are essential for addressing the multifaceted challenges of modern society. As the volume of data proliferates at an unprecedented rate, the need for more powerful machine learning strategies becomes increasingly evident. Quantum neural networks (QNNs) represent an emerging and transformative research field that seeks to harness the unique principles of quantum mechanics to enhance the capabilities of machine learning algorithms. This survey examines various QNN approaches, including fully connected QNNs, quantum convolutional neural networks, equivariant QNNs, quantum Hopfield networks, quantum Boltzmann machines, quantum reservoir computing, and composite networks for quantum reinforcement learning, quantum generative learning, and quantum transfer learning. We summarize the relevant investigations on their performance, including learning accuracy, training time, and resource requirements, etc. Each QNN type has unique strengths and weaknesses, offering diverse solutions for different applications.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

2 major / 1 minor

Summary. This manuscript is a survey reviewing quantum neural networks (QNNs) and quantum machine learning. It covers fully connected QNNs, quantum convolutional neural networks, equivariant QNNs, quantum Hopfield networks, quantum Boltzmann machines, quantum reservoir computing, and composite networks applied to quantum reinforcement learning, generative learning, and transfer learning. The central contribution is a summary of performance investigations across these architectures, including learning accuracy, training time, and resource requirements, along with notes on each type's unique strengths and weaknesses.

Significance. If the performance summaries can be reliably aggregated and compared, the survey could serve as a useful organizing reference for the quantum machine learning community. The work has no formal derivations or machine-checked proofs, and its value rests entirely on the quality and consistency of the literature compilation.

major comments (2)
  1. [Abstract] Abstract: The claim that the survey 'summarizes the relevant investigations on their performance, including learning accuracy, training time, and resource requirements' presupposes that metrics from the cited studies are sufficiently standardized for cross-architecture and cross-application comparison; the manuscript provides no discussion of experimental-setup heterogeneity, normalization procedures, or reporting biases that would support this aggregation.
  2. [Abstract] Abstract: No selection criteria, search strategy, or inclusion/exclusion rules for the reviewed literature are stated, making it impossible to assess whether the summarized performance claims are representative or subject to selection bias.
minor comments (1)
  1. [Abstract] The abstract lists seven QNN categories but does not indicate the approximate number of papers reviewed per category or the time period covered.

Simulated Author's Rebuttal

2 responses · 0 unresolved

We thank the referee for the constructive comments. We agree that the abstract and manuscript would benefit from greater transparency regarding literature selection and the limitations of cross-study performance comparisons. We will revise accordingly.

read point-by-point responses
  1. Referee: [Abstract] Abstract: The claim that the survey 'summarizes the relevant investigations on their performance, including learning accuracy, training time, and resource requirements' presupposes that metrics from the cited studies are sufficiently standardized for cross-architecture and cross-application comparison; the manuscript provides no discussion of experimental-setup heterogeneity, normalization procedures, or reporting biases that would support this aggregation.

    Authors: We acknowledge that the manuscript does not discuss heterogeneity of experimental setups, normalization, or reporting biases. In the revised version we will add a short subsection (likely in the introduction or a new 'Limitations of Cross-Study Comparison' paragraph) that explicitly notes these issues and qualifies the performance summaries as illustrative rather than directly comparable. The abstract will also be rephrased to avoid implying standardized aggregation. revision: yes

  2. Referee: [Abstract] Abstract: No selection criteria, search strategy, or inclusion/exclusion rules for the reviewed literature are stated, making it impossible to assess whether the summarized performance claims are representative or subject to selection bias.

    Authors: The current manuscript does not state selection criteria or search strategy. We will add a concise 'Literature Selection' paragraph (or subsection) describing the approach used (e.g., keyword searches on arXiv and major journals, focus on papers reporting quantitative performance metrics for the listed architectures, and time window). The abstract will be updated to reference this methodology. This addresses the concern about potential selection bias. revision: yes

Circularity Check

0 steps flagged

No circularity: survey compiles external literature without derivations or self-referential predictions

full rationale

The paper is explicitly a survey reviewing QNN variants (fully connected, QCNN, equivariant, Hopfield, Boltzmann, reservoir, composite) and summarizing reported metrics from prior studies. No original equations, derivations, fitted parameters, or predictions appear in the abstract or described structure. All load-bearing content consists of citations to independent external work; no self-citation chains, ansatzes, or renamings reduce claims to the paper's own inputs. The noted assumption about cross-study metric comparability is an external-validity issue, not an internal circular reduction. Score 0 is the appropriate finding for a self-contained review.

Axiom & Free-Parameter Ledger

0 free parameters · 0 axioms · 0 invented entities

This is a survey paper; no free parameters, axioms, or invented entities are introduced by the authors.

pith-pipeline@v0.9.1-grok · 5697 in / 1030 out tokens · 25035 ms · 2026-06-28T22:24:13.033450+00:00 · methodology

discussion (0)

Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.

Reference graph

Works this paper leans on

276 extracted references · 40 canonical work pages · 10 internal anchors

  1. [1]

    Kussul, T

    E. Kussul, T. Baidyk, D. C. Wunsch, Classical neural networks, in: Neural Networks and Micromechanics. Springer, Berlin, Heidelberg, 2010

  2. [2]

    LeCun, Y

    Y. LeCun, Y. Bengio, G. Hinton, Deep learning, Nature 521 (2015) 436–444

  3. [3]

    Biamonte, P

    J. Biamonte, P. Wittek, N. Pancotti, P. Rebentrost, N. Wiebe, S. Lloyd, Quantum machine learning, Nature 549 (2017) 195–202

  4. [4]

    Beer, et al., Training deep quantum neural networks, Nat

    K. Beer, et al., Training deep quantum neural networks, Nat. Commun. 11 (2020) 808

  5. [5]

    Kak, Quantum neural computing, in: P

    S. Kak, Quantum neural computing, in: P. W. Hawkes (Ed.), Advances in Imaging and Electron Physics, volume 94, Elsevier, 1995, pp. 259–313

  6. [6]

    Menneer, A

    T. Menneer, A. Narayanan, Quantum-inspired neural networks, Technical Report R329, CiteSeerX, 1995

  7. [7]

    Y. Ma, C. Gong, Hopfield spin-glass model in a transverse field, Phys. Rev. B 48 (1993) 12778

  8. [8]

    Y.Ma,C.Gong, StatisticalmechanicsofamulticonnectedHopfieldneural-networkmodelinatransversefield, Phys.Rev.E51(1995)1573

  9. [9]

    Ventura, T

    D. Ventura, T. Martinez, A quantum associative memory based on grover’s algorithm, in: Artificial Neural Nets and Genetic Algorithms, Springer, 1999, pp. 22–27

  10. [10]

    Peruš, Neural networks as a basis for quantum associative networks, Neural Netw

    M. Peruš, Neural networks as a basis for quantum associative networks, Neural Netw. World 10 (2000) 1001–1013

  11. [11]

    Ventura, Implementing competitive learning in a quantum system, in: Proceedings of the 1999 International Joint Conference on Neural Networks (IJCNN’99), volume 1, IEEE, 1999, pp

    D. Ventura, Implementing competitive learning in a quantum system, in: Proceedings of the 1999 International Joint Conference on Neural Networks (IJCNN’99), volume 1, IEEE, 1999, pp. 462–466

  12. [12]

    (III Fundam

    N.Matsui,M.Takai,H.Nishimura, Anetworkmodelbasedonqubitlikeneuroncorrespondingtoquantumcircuit, Electron.Commun.Jpn. (III Fundam. Electron. Sci.) 83 (2000) 67–73

  13. [13]

    Kouda, N

    N. Kouda, N. Matsui, H. Nishimura, F. Peper, Qubit neural network and its learning efficiency, Neural Comput. Appl. 14 (2005) 114–121

  14. [14]

    Quantum neural network

    M. Altaisky, Quantum neural network, arXiv quant-ph/0107012 (2001). Y. Sun, et al:Preprint submitted to ElsevierPage 40 of 47 Research progress on QNNs and QML

  15. [15]

    R. Zhou, Q. Ding, Quantum m-p neural network, Int. J. Theor. Phys. 46 (2007) 3209–3215

  16. [16]

    Quantum Deep Learning

    N. Wiebe, A. Kapoor, K. M. Svore, Quantum deep learning, arXiv 1412.3489 (2014)

  17. [17]

    Fujii, K

    K. Fujii, K. Nakajima, Harnessing disordered-ensemble quantum dynamics for machine learning, Phys. Rev. Appl. 8 (2017) 024030

  18. [18]

    I. Cong, S. Choi, M. D. Lukin, Quantum convolutional neural networks, Nat. Phys. 15 (2019) 1273–1278

  19. [19]

    Skolik, M

    A. Skolik, M. Cattelan, S. Yarkoni, T. Bäck, V. Dunjko, Equivariant quantum circuits for learning on weighted graphs, npj Quantum Inf. 9 (2023) 47

  20. [20]

    M. T. West, M. Sevior, M. Usman, Reflection equivariant quantum neural networks for enhanced image classification, Mach. Learn.: Sci. Technol. 4 (2023) 035027

  21. [21]

    Bödeker, E

    L. Bödeker, E. Fiorelli, M. Müller, Optimal storage capacity of quantum Hopfield neural networks, Phys. Rev. Res. 5 (2023) 023074

  22. [22]

    Lewis, D

    L. Lewis, D. Gilboa, J. R. McClean, Quantum advantage for learning shallow neural networks with natural data distributions, arXiv 2503.20879 (2025)

  23. [23]

    H. J. Briegel, G. De las Cuevas, Projective simulation for artificial intelligence, Sci. Rep. 2 (2012) 1

  24. [24]

    Crawford, A

    D. Crawford, A. Levit, N. Ghadermarzy, J. S. Oberoi, P. Ronagh, Reinforcement learning using quantum Boltzmann machines, Quantum Inf. Comput. 18 (2018) 51

  25. [25]

    Lloyd, C

    S. Lloyd, C. Weedbrook, Quantum adversarial generative learning, Phys. Rev. Lett. 121 (2018) 040502

  26. [26]

    Gokhale, M

    A. Gokhale, M. B. Pande, D. Pramod, Implementation of a quantum transfer learning approach to image splicing detection, Int. J. Quantum Inf. 18 (2020) 2050024

  27. [27]

    L. Wang, Y. Sun, X. Zhang, Quantum deep transfer learning, New J. Phys. 23 (2021) 103010

  28. [28]

    B.Gardas,M.M.Rams,J.Dziarmaga, Quantumneuralnetworkstosimulatemany-bodyquantumsystems, Phys.Rev.B98(2018)184304

  29. [29]

    and Yoo, Jae Hyeon and Isakov, Sergei V

    M. Broughton, et al., Tensorflow quantum: a software framework for quantum machine learning, arXiv 2003.02989 (2020)

  30. [30]

    Tacchino, C

    F. Tacchino, C. Macchiavello, D. Gerace, D. Bajoni, An artificial neuron implemented on an actual quantum processor, npj Quantum Inf. 5 (2019) 1

  31. [31]

    Chakraborty, T

    S. Chakraborty, T. Das, S. Sutradhar, M. Das, S. Deb, An analytical review of quantum neural network models and relevant research, in: Proceedings of the Fifth International Conference on Communication and Electronics Systems (ICCES 2020), 2020, p. 48766

  32. [32]

    L.Alchieri,D.Badalotti,P.Bonardi,S.Bianco, Anintroductiontoquantummachinelearning:fromquantumlogictoquantumdeeplearning, Quantum Mach. Intell. 3 (2021) 28

  33. [33]

    R. Zhao, S. Wang, A review of quantum neural networks: methods, models, dilemma, arXiv 2109.01840 (2021)

  34. [34]

    Mangini, F

    S. Mangini, F. Tacchino, D. Gerace, D. Bajoni, C. Macchiavello, Quantum computing models for artificial neural networks, Europhys. Lett. 134 (2021) 10002

  35. [35]

    Valdez, P

    F. Valdez, P. Melin, A review on quantum computing and deep learning algorithms and their applications, Soft Comput. 27 (2023) 13217– 13236

  36. [36]

    Abbas, et al., On quantum backpropagation, information reuse, and cheating measurement collapse, Adv

    A. Abbas, et al., On quantum backpropagation, information reuse, and cheating measurement collapse, Adv. Neural Inf. Process. Syst. 36 (2023) 44792–44819

  37. [37]

    J. R. McClean, S. Boixo, V. N. Smelyanskiy, R. Babbush, H. Neven, Barren plateaus in quantum neural network training landscapes, Nat. Commun. 9 (2018) 4812

  38. [38]

    Larocca, et al., Barren plateaus in variational quantum computing, Nat

    M. Larocca, et al., Barren plateaus in variational quantum computing, Nat. Rev. Phys. 7 (2025) 174–189

  39. [39]

    G. E. Crooks, Gradients of parameterized quantum gates using the parameter-shift rule and gate decomposition, arXiv 1905.13311 (2019)

  40. [40]

    Banchi, G

    L. Banchi, G. E. Crooks, Measuring analytic gradients of general quantum evolution with the stochastic parameter shift rule, Quantum 5 (2021) 386

  41. [41]

    Wierichs, J

    D. Wierichs, J. Izaac, C. Wang, C. Y.-Y. Lin, General parameter-shift rules for quantum gradients, Quantum 6 (2022) 677

  42. [42]

    Stokes, J

    J. Stokes, J. Izaac, N. Killoran, G. Carleo, Quantum natural gradient, Quantum 4 (2020) 269

  43. [43]

    Z. Tao, J. Wu, Q. Xia, Q. Li, Laws: look around and warm-start natural gradient descent for quantum neural networks, in: Proceedings of the 2023 IEEE International Conference on Quantum Software (QSW), IEEE, 2023, pp. 76–82

  44. [44]

    J. C. Spall, Multivariate stochastic approximation using a simultaneous perturbation gradient approximation, IEEE Trans. Autom. Control 37 (1992) 332–341

  45. [45]

    A.Kandala,etal.,Hardware-efficientvariationalquantumeigensolverforsmallmoleculesandquantummagnets,Nature549(2017)242–246

  46. [46]

    Lamata, U

    L. Lamata, U. Alvarez-Rodriguez, J. D. Martín-Guerrero, M. Sanz, E. Solano, Quantum autoencoders via quantum adders with genetic algorithms, Quantum Sci. Technol. 4 (2018) 014007

  47. [47]

    Z. Li, T. Xiao, X. Deng, G. Zeng, W. Li, Optimizing variational quantum neural networks based on collective intelligence, Mathematics 12 (2024) 1627

  48. [48]

    J. A. Nelder, R. Mead, A simplex method for function minimization, Comput. J. 7 (1965) 308–313

  49. [49]

    Aminpour, Y

    S. Aminpour, Y. Banad, S. Sharif, Strategic data re-uploads: a pathway to improved quantum classification data re-uploading strategies for improved quantum classifier performance, arXiv 2405.09377 (2024)

  50. [50]

    Bonet-Monroig, et al., Performance comparison of optimization methods on variational quantum algorithms, Phys

    X. Bonet-Monroig, et al., Performance comparison of optimization methods on variational quantum algorithms, Phys. Rev. A 107 (2023) 032407

  51. [51]

    D.Dong,C.Chen,H.Li,T.-J.Tarn, Quantumreinforcementlearning, IEEETrans.Syst.ManCybern.PartBCybern.38(2008)1207–1220

  52. [52]

    G. D. Paparo, et al., Quantum speedup for active learning agents, Phys. Rev. X 4 (2014) 031002

  53. [53]

    Marias, et al., Quantum transfer learning for image classification, Quantum Mach

    K. Marias, et al., Quantum transfer learning for image classification, Quantum Mach. Intell. 3 (2021) 1–10

  54. [54]

    Bermejo, P

    P. Bermejo, P. Braccia, M. S. Rudolph, Z. Holmes, L. Cincio, M. Cerezo, Quantum convolutional neural networks are effectively classically simulable, PRX Quantum 7 (2026) 020304

  55. [55]

    Rebentrost, M

    P. Rebentrost, M. Mohseni, S. Lloyd, Quantum support vector machine for big data classification, Phys. Rev. Lett. 113 (2014) 130503

  56. [56]

    Lloyd, M

    S. Lloyd, M. Mohseni, P. Rebentrost, Quantum principal component analysis, Nat. Phys. 10 (2014) 631

  57. [57]

    Giovannetti, S

    V. Giovannetti, S. Lloyd, L. Maccone, Quantum random access memory, Phys. Rev. Lett. 100 (2008) 160501. Y. Sun, et al:Preprint submitted to ElsevierPage 41 of 47 Research progress on QNNs and QML

  58. [58]

    Araujo, F

    P. Araujo, F. Petruccione, A. J. Da Silva, Projective simulation artificial intelligence, Sci. Rep. 11 (2021) 6329

  59. [59]

    Larose, B

    R. Larose, B. Coyle, Physically motivated ansatz variational quantum algorithms, Phys. Rev. A 102 (2020) 032420

  60. [60]

    Z. Yang, X. Zhang, Entanglement-based quantum deep learning, New J. Phys. 22 (2020) 033041

  61. [61]

    Ballarin, S

    M. Ballarin, S. Mangini, S. Montangero, C. Macchiavello, R. Mengoni, Entanglement entropy production in quantum neural networks, Quantum 7 (2023) 1023

  62. [62]

    H. Shen, P. Zhang, Y.-Z. You, H. Zhai, Information scrambling in quantum neural networks, Phys. Rev. Lett. 124 (2020) 200504

  63. [63]

    Zhang, J

    B. Zhang, J. Liu, X.-C. Wu, L. Jiang, Q. Zhuang, Dynamical transition in controllable quantum neural networks with large depth, Nat. Commun. 15 (2024) 9354

  64. [64]

    Sannia, F

    A. Sannia, F. Tacchino, I. Tavernelli, G. L. Giorgi, R. Zambrini, Engineered dissipation to mitigate barren plateaus, npj Quantum Inf. 10 (2024) 81

  65. [65]

    Larocca, Barren plateaus variational quantum computing, npj Quantum Inf

    M. Larocca, Barren plateaus variational quantum computing, npj Quantum Inf. 10 (2024) 174–189

  66. [66]

    Friedrich, J

    L. Friedrich, J. Maziero, Quantum neural network with ensemble learning to mitigate barren plateaus and cost function concentration, Res. Sq. (2024)

  67. [67]

    Havlíček, et al., Supervised learning with quantum-enhanced feature spaces, Nature 567 (2019) 209–212

    V. Havlíček, et al., Supervised learning with quantum-enhanced feature spaces, Nature 567 (2019) 209–212

  68. [68]

    Li, D.-L

    W. Li, D.-L. Deng, Recent advances for quantum classifiers, Sci. China Phys. Mech. Astron. 65 (2022) 220301

  69. [69]

    Abbas, et al., The power of quantum neural networks, Nat

    A. Abbas, et al., The power of quantum neural networks, Nat. Comput. Sci. 1 (2021) 403–409

  70. [70]

    Zhao, X.-S

    C. Zhao, X.-S. Gao, Qdnn: deep neural networks with quantum layers, Quantum Mach. Intell. 3 (2021) 15

  71. [71]

    S. Wu, Y. Zhang, J. Li, Quantum data parallelism in quantum neural networks, Phys. Rev. Res. 7 (2025) 013177

  72. [72]

    Vidal, Classical simulation of infinite-size quantum lattice systems in one spatial dimension, Phys

    G. Vidal, Classical simulation of infinite-size quantum lattice systems in one spatial dimension, Phys. Rev. Lett. 98 (2007) 070201

  73. [73]

    Evenbly, G

    G. Evenbly, G. Vidal, Tensor network renormalization yields the multiscale entanglement renormalization ansatz, Phys. Rev. Lett. 115 (2015) 200401

  74. [74]

    Grant, Hierarchical quantum classifiers, npj Quantum Inf

    E. Grant, Hierarchical quantum classifiers, npj Quantum Inf. 4 (2018) 65

  75. [75]

    Pesah, et al., Absence of barren plateaus in quantum convolutional neural networks, Phys

    A. Pesah, et al., Absence of barren plateaus in quantum convolutional neural networks, Phys. Rev. X 11 (2021) 041011

  76. [76]

    S. Oh, J. Choi, J. Kim, A tutorial on quantum convolutional neural networks (qcnn), in: 2020 Int. Conf. Inf. Commun. Technol. Converg. (ICTC), IEEE, 2020, pp. 236–239

  77. [77]

    Mahmud, R

    J. Mahmud, R. Mashtura, S. A. Fattah, M. Saquib, Quantum convolutional neural networks with interaction layers for classification of classical data, Quantum Mach. Intell. 6 (2024) 1–20

  78. [78]

    M. C. Caro, et al., Generalization in quantum machine learning from few training data, Nat. Commun. 13 (2022) 4919

  79. [79]

    J.Herrmann,etal., Realizingquantumconvolutionalneuralnetworksonasuperconductingquantumprocessortorecognizequantumphases, Nat. Commun. 13 (2022) 4144

  80. [80]

    T. Hur, L. Kim, D. K. Park, Quantum convolutional neural network for classical data classification, Quantum Mach. Intell. 4 (2022) 3

Showing first 80 references.