REVIEW 2 major objections 4 minor 55 references
Combinatorics of Wilson loops in $\mathcal{N}=4$ SYM theory
T0 review · 2 major / 4 minor · reviewed 2026-08-14 · deepseek-v4-flash
Pith's one-line read This paper reduces all connected correlators of multiply-wound Wilson loops in N=4 SYM to symmetrized matrix traces.
desk verdict A useful and mostly sound technical paper that proves a conjecture from the author's earlier work and provides a clean generating-function framework, but the advertised all-order inverse formula is unproved and only checked to |k|=8. read the letter →
The pith
A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.
The reading
What carries the argument
The load-bearing object is the pair of generating functions $E(y)$ and $H(y)$, the finite-alphabet versions of the elementary and complete symmetric-function generating series built from the eigenvalues of the Wilson-loop holonomy. Expanded in the power-sum basis, $H(y)$ organises all products of multiply-wound Wilson loops, and its logarithm $W(y)=\ln Z(y)$ selects the connected correlators; $E(y)$ does the same for conjugate representations. The transition from gauge theory to concrete numbers is carried by the determinant solution $Z'(y)=\det[\sum_n e_n(y) A^n]$ of the Gaussian matrix model, with $N\times N$ matrices $A_n$ taken from earlier work. The combinatorial engine is the Möbius lattice of set partitions: equation (4.10) expresses augmented monomials in the power-sum basis with Möbius coefficients $M(\nu)$, which converts the determinant formula into the closed forms (4.15) and (4.18) that connect symmetrized traces to connected correlators. The involution property $E(y)H(-y)=1$ supplies the conjugate-representation duality once a genus expansion is assumed.
What would settle it
Evaluate equation (4.15) for a nine- or ten-loop case such as $\vec{k}=(9)$ or $\vec{k}=(5,4)$, using the explicit matrices $A_n$ from the cited earlier work, and compare with an independent direct evaluation of the Gaussian matrix-model integral at small $N$, say $N=2$ or $N=3$. Any disagreement at loop number above 8, where the paper's own check stops, would falsify the all-order formula.
Extended reading notes
Core claim
On the paper's own terms, the discovery is that the connected correlators of multiply-wound 1/2-BPS Wilson loops are not separate gauge-theory data but the same set of numbers as symmetrized traces of the matrix-model matrices $A_n$. Equation (4.15) writes every symmetrized trace $\mathrm{Tr}[A^{(k_1} A^{k_2} \cdots A^{k_n)}]$ as a signed sum over set partitions of the connected correlators $\langle p_{\vec{k}}(u)\rangle_{\mathrm{conn}}$, with coefficients that depend only on the number of loops and not on the winding numbers; equation (4.18) inverts that sum using the counts $|P_\lambda|$ of set partitions with prescribed block sizes. The generating-function framework uses the Cauchy kernel $H(y)=\prod_{i,j}(1-y_i u_j)^{-1}$ and its partner $E(y)=\prod_{i,j}(1+y_i u_j)$: expanded in Schur functions they produce Wilson loops in every irreducible representation, and their logarithms are the connected correlators. The paper claims the duality $W(y;1/N)=W'(-y;-1/N)$ follows for any Hermitian-matrix-model description, with simultaneous sign flips of the parameter and of $1/N$ exchanging symmetric and antisymmetric representations.
Load-bearing premise
The entire chain rests on the determinant representation $Z'(y)=\det[\sum_n e_n(y) A^n]$ with the specific matrices $A_n$ imported from earlier papers; if that representation or the explicit $A_n$ is wrong or incomplete, formulas (4.15) and (4.18) do not follow.
Editorial extensions
If this is right
- Every connected correlator of multiply-wound 1/2-BPS Wilson loops, at any loop number and to all orders in $1/N$, is obtainable by evaluating one formula, (4.15), instead of case-by-case computations.
- The inverse formula (4.18) lets one read connected correlators directly from symmetrized matrix traces, which is the natural input for large-$N$ and genus expansions.
- The duality $W(y;1/N)=W'(-y;-1/N)$ holds for any Wilson-loop theory governed by a Hermitian matrix model, so the symmetric/antisymmetric relation observed earlier in $\mathcal{N}=4$ SYM is a general matrix-model fact.
- Because $Z(y)$ and $Z'(y)$ expand in complete bases of symmetric functions, the same two generating functions determine Wilson loops in every irreducible representation, not just multiply-wound ones.
Reading between the lines
- The set-partition sums and Möbius coefficients in (4.10) are the same structure as classical cumulant expansions, so the trace-to-correlator map is likely the moment-cumulant relation of a non-commutative probability theory; the paper does not draw this connection.
- The formulas' coefficients depend only on loop number and not on the individual winding numbers, which suggests a direct combinatorial proof that would identify exactly which part of the result is group theory and which part is matrix-model input.
- For $O(N)$ and $Sp(N)$ gauge groups, replacing the Schur expansion with orthogonal or symplectic characters should produce analogous determinant formulas; the paper closes by listing this as a worthwhile direction without carrying it out.
Editorial analysis
A structured set of objections, weighed in public.
Referee Report
Summary. This paper develops a symmetric-function formalism for Wilson loops in unitary gauge theories. It defines generating functions Z(y) and Z'(y) in the monomial, Schur, and power-sum bases, and shows that their logarithms generate connected correlators of multiply-wound Wilson loops. It derives an involution property W(y;1/N)=W'(-y;-1/N) from the genus expansion of connected correlators. For the 1/2-BPS circular Wilson loops in N=4 SYM, starting from the determinant formula (4.2), the paper derives equation (4.15), which expresses traces of symmetrized products of matrices A_n in terms of connected correlators of multiply-wound Wilson loops, and states the inverse relation (4.18). It concludes with a duality relation for the generating functions of Wilson loops in conjugate representations.
Significance. The symmetric-function formulation is elegant and potentially useful: if fully established, it provides an all-order dictionary between the Gaussian matrix-model data and the connected correlators of multiply-wound Wilson loops, with no fitted parameters. The involution argument in Section 3 is a clean application of the genus expansion, and the paper is honest about the scope of its results. The main obstacles are the unproved inverse formula (4.18), which is advertised in the abstract as part of the main result and is only checked numerically up to |k|=8, and the under-detailed symmetry step leading to (4.15). Both issues are fixable, but they are load-bearing for the paper's central claim.
major comments (2)
- [Sec. 4, Eq. (4.18)] Equation (4.18) is introduced with the words 'Without proof, I state here the inverse relation of (4.15).' This is one half of the advertised all-order equivalence between connected correlators of multiply-wound Wilson loops and symmetrized matrix traces. The only support provided is a SageMath check for values up to |k|=8. A finite numerical check cannot establish an identity asserted for all k; please supply a proof, for instance by Möbius inversion of the set-partition identity (4.10)-(4.11), or else explicitly restrict the claim to the verified range. As it stands, the abstract's claim 'as well as their inverses' is not supported.
- [Sec. 4, Eqs. (4.12)-(4.15)] The step from the special case k=(1,...,1) to general k is not fully justified. The text argues that the left-hand side of (4.11) is a symmetric function of the k_i and that evaluation at k=(1^n) therefore fixes the coefficients in (4.15). However, the sum in (4.11) has coefficients M(ν) that are independent of the values of k_i, while the basis elements p_{kν} do depend on k. Identifying the coefficients of a given connected correlator requires an additional combinatorial argument, and the symmetrization in (4.16) needs to be derived, not just asserted. Moreover, if the A_n are general matrices, Tr[A_{k1}...A_{kn}] is only cyclically symmetric rather than fully symmetric; please state the precise property of the matrices A_n that ensures full S_n symmetry, or supply a direct proof of (4.15).
minor comments (4)
- [Sec. 2, after Eq. (2.11)] There is a typo: 'funtions' should be 'functions'. Also, the partition convention is described as 'weakly increasing' in the introduction, which is nonstandard; the usual convention is weakly decreasing, and this should be clarified to avoid confusion in formulas such as (4.15).
- [Sec. 4, Eq. (4.16)] The notation \tilde p_{\vec k \lambda} and p_{\sigma(\vec k)_\lambda} is not defined precisely. Please spell out how the partition \lambda acts on a vector of length n, since this notation is central to both (4.15) and (4.18).
- [Sec. 4, Eqs. (4.4)-(4.5)] The Hall inner products \langle e_\lambda, p_\mu\rangle and \langle p_\mu, f_\lambda\rangle are used but not evaluated. For reproducibility, either give their explicit values or provide a precise reference, so that a reader can implement (4.4) and (4.5) without consulting the symmetric-function literature.
- [Sec. 3, Eq. (3.3)] Equation (3.3) is an assumption about the genus expansion rather than a proven theorem in the present paper. The wording 'we have' could be read as an assertion; please state explicitly that the involution property (3.1) holds for those theories for which the genus expansion is known, as already indicated in the surrounding text.
Circularity Check
No circularity: the connected-correlator and inverse formulas are derived from the external matrix-model determinant (4.2) via independent symmetric-function identities; the unproved inverse (4.18) is a rigor caveat, not circularity.
full rationale
The derivation chain is not circular. Sections 2 and 3 define the generating functions and the connected correlators by power-sum expansions and derive the duality W(y;1/N)=W'(-y;-1/N) from the independent genus expansion (3.3); these are not fitted inputs. In Section 4, the only external input is the determinant solution Z'(y)=det[Σ e_n(y)A_n] in (4.2), cited to [40,48]. The paper explicitly says it will not need the explicit form of A_n, and this determinant representation is an externally established localization/matrix-model result, not constructed from the target connected correlators. The subsequent steps — taking log det, expanding in symmetric-function bases, using the augmented-monomial/Möbius identity (4.10), and evaluating the coefficient at k=(1^n) — are independent algebraic manipulations. Equation (4.15) is identified with the earlier result in [48], but it is re-derived rather than assumed, so the self-citation is not doing circular logical work. No parameter is fitted and no claimed prediction is equal by construction to an input. The main caveat is completeness, not circularity: (4.18) is introduced with 'Without proof, I state here the inverse relation of (4.15)' and is checked only numerically up to |k|=8, so the all-order inverse claim is not fully justified in the paper. That is a rigor concern, not a self-referential reduction.
Assumptions & free parameters
assumptions (6)
- standard math Cauchy identity and the standard bases of symmetric functions (Schur, power-sum, monomial, forgotten) with Hall inner product.
- standard math Irreducible representations of U(N) are labeled by partitions and their characters are Schur polynomials.
- domain assumption Localization reduces 1/2-BPS circular Wilson loops in N=4 SYM to a Gaussian matrix model.
- domain assumption The Gaussian matrix model solution Z'(y)=det[sum_n e_n(y) A^n] of equation (4.2), with matrices A_n as in [40,48].
- domain assumption Connected correlators of multiply-wound Wilson loops admit the genus expansion (3.3) with N-independent coefficients when computed by a Hermitian one-matrix model.
- standard math Mobius inversion on the lattice of set partitions, equation (4.10).
Cite this review
Pith. "Pith review of Combinatorics of Wilson loops in $\mathcal{N}=4$ SYM theory." pith.science (2026). https://pith.science/paper/JGVXFXQK
@misc{pith2026190811582,
author = {Pith},
title = {Pith review of: Combinatorics of Wilson loops in $\mathcalN=4$ SYM theory},
year = {2026},
howpublished = {\url{https://pith.science/paper/JGVXFXQK}},
note = {Machine review of arXiv:1908.11582}
}
abstract
The theory of Wilson loops for gauge theories with unitary gauge groups is formulated in the language of symmetric functions. The main objects in this theory are two generating functions, which are related to each other by the involution that exchanges an irreducible representation with its conjugate. Both of them contain all information about the Wilson loops in arbitrary representations as well as the correlators of multiply-wound Wilson loops. This general framework is combined with the results of the Gaussian matrix model, which calculates the expectation values of $1/2$-BPS circular Wilson loops in $\mathcal{N}=4$ Super-Yang-Mills theory. General, explicit, formulas for the connected correlators of multiply-wound Wilson loops in terms of the traces of symmetrized matrix products are obtained, as well as their inverses. It is shown that the generating functions for Wilson loops in mutually conjugate representations are related by a duality relation whenever they can be calculated by a Hermitian matrix model.
Reference graph
Works this paper leans on
-
[48]
A. F. Canazas Garay, A. Faraggi and W. M¨ uck, Note on generating functions and connected correlators of 1/2-BPS Wilson loops in N = 4 SYM theory, JHEP 08 (2019) 149 [1906.03816]
work page Pith review arXiv 2019
-
[1]
’t Hooft, A Planar Diagram Theory for Strong Interactions , Nucl
G. ’t Hooft, A Planar Diagram Theory for Strong Interactions , Nucl. Phys. B72 (1974) 461
1974
- [2]
-
[3]
C. Itzykson and J. B. Zuber, The Planar Approximation. 2. , J. Math. Phys. 21 (1980) 411
work page 1980
-
[4]
J. M. Maldacena, Wilson loops in large N field theories , Phys. Rev. Lett. 80 (1998) 4859 [hep-th/9803002]
arXiv 1998
-
[5]
S.-J. Rey and J.-T. Yee, Macroscopic strings as heavy quarks in large N gauge theory a nd anti-de Sitter supergravity , Eur. Phys. J. C22 (2001) 379 [ hep-th/9803001]
arXiv 2001
-
[6]
N. Drukker, D. J. Gross and H. Ooguri, Wilson loops and minimal surfaces , Phys. Rev. D60 (1999) 125006 [ hep-th/9904191]
arXiv 1999
-
[7]
J. A. Minahan and K. Zarembo, The Bethe ansatz for N=4 superYang-Mills , JHEP 03 (2003) 013 [ hep-th/0212208]
arXiv 2003
Show all 55 references
-
[8]
Pestun, Localization of gauge theory on a four-sphere and supersymm etric Wilson loops , Commun
V. Pestun, Localization of gauge theory on a four-sphere and supersymm etric Wilson loops , Commun. Math. Phys. 313 (2012) 71 [ 0712.2824]
2012 arXiv
-
[9]
Pestun et al., Localization techniques in quantum field theories , J
V. Pestun et al., Localization techniques in quantum field theories , J. Phys. A50 (2017) 440301 [ 1608.02952]
2017 arXiv
-
[10]
Drukker and B
N. Drukker and B. Fiol, All-genus calculation of Wilson loops using D-branes , JHEP 02 (2005) 010 [ hep-th/0501109]
2005 arXiv
-
[11]
Yamaguchi, Bubbling geometries for half BPS Wilson lines , Int
S. Yamaguchi, Bubbling geometries for half BPS Wilson lines , Int. J. Mod. Phys. A22 (2007) 1353 [ hep-th/0601089]
2007 arXiv
-
[12]
Yamaguchi, Wilson loops of anti-symmetric representation and D5-bran es, JHEP 05 (2006) 037 [ hep-th/0603208]
S. Yamaguchi, Wilson loops of anti-symmetric representation and D5-bran es, JHEP 05 (2006) 037 [ hep-th/0603208]
2006 arXiv
-
[13]
Gomis and F
J. Gomis and F. Passerini, Holographic Wilson Loops, JHEP 08 (2006) 074 [hep-th/0604007]
2006 arXiv
-
[14]
Lunin, On gravitational description of Wilson lines , JHEP 06 (2006) 026 [hep-th/0604133]
O. Lunin, On gravitational description of Wilson lines , JHEP 06 (2006) 026 [hep-th/0604133]. 11
2006 arXiv
-
[15]
Gomis and F
J. Gomis and F. Passerini, Wilson Loops as D3-Branes , JHEP 01 (2007) 097 [hep-th/0612022]
2007 arXiv
-
[16]
F¨ orste, D
S. F¨ orste, D. Ghoshal and S. Theisen, Stringy corrections to the Wilson loop in N=4 superYang-Mills theory, JHEP 08 (1999) 013 [ hep-th/9903042]
1999 arXiv
-
[17]
Drukker, D
N. Drukker, D. J. Gross and A. A. Tseytlin, Green-Schwarz string in AdS(5) x S**5: Semiclassical partition function , JHEP 04 (2000) 021 [ hep-th/0001204]
2000 arXiv
-
[18]
G. W. Semenoff and K. Zarembo, More exact predictions of SUSYM for string theory , Nucl. Phys. B616 (2001) 34 [ hep-th/0106015]
2001 arXiv
-
[19]
Kruczenski and A
M. Kruczenski and A. Tirziu, Matching the circular Wilson loop with dual open string solution at 1-loop in strong coupling , JHEP 05 (2008) 064 [ 0803.0315]
2008 arXiv
-
[20]
Faraggi and L
A. Faraggi and L. A. Pando Zayas, The Spectrum of Excitations of Holographic Wilson Loops, JHEP 05 (2011) 018 [ 1101.5145]
2011 arXiv
-
[21]
Faraggi, W
A. Faraggi, W. M¨ uck and L. A. Pando Zayas, One-loop Effective Action of the Holographic Antisymmetric Wilson Loop , Phys. Rev. D85 (2012) 106015 [ 1112.5028]
2012 arXiv
-
[22]
Faraggi, J
A. Faraggi, J. T. Liu, L. A. Pando Zayas and G. Zhang, One-loop structure of higher rank Wilson loops in AdS/CFT , Phys. Lett. B740 (2015) 218 [ 1409.3187]
2015 arXiv
-
[23]
Faraggi, L
A. Faraggi, L. A. Pando Zayas, G. A. Silva and D. Trancane lli, Toward precision holography with supersymmetric Wilson loops , JHEP 04 (2016) 053 [ 1601.04708]
2016 arXiv
-
[24]
Horikoshi and K
M. Horikoshi and K. Okuyama, α′-expansion of Anti-Symmetric Wilson Loops in N = 4 SYM from Fermi Gas , PTEP 2016 (2016) 113B05 [ 1607.01498]
2016 arXiv
-
[25]
Forini, A
V. Forini, A. A. Tseytlin and E. Vescovi, Perturbative computation of string one-loop corrections to Wilson loop minimal surfaces in AdS 5× S5, JHEP 03 (2017) 003 [1702.02164]
2017 arXiv
-
[26]
Aguilera-Damia, A
J. Aguilera-Damia, A. Faraggi, L. A. Pando Zayas, V. Rat hee and G. A. Silva, Toward Precision Holography in Type IIA with Wilson Loops , JHEP 08 (2018) 044 [ 1805.00859]
2018 arXiv
-
[27]
Aguilera-Damia, A
J. Aguilera-Damia, A. Faraggi, L. A. Pando Zayas, V. Rat hee and G. A. Silva, Zeta-function Regularization of Holographic Wilson Loops , Phys. Rev. D98 (2018) 046011 [ 1802.03016]. 12
2018 arXiv
-
[28]
Medina-Rincon, Matching quantum string corrections and circular Wilson lo ops in AdS4 × CP 3, JHEP 08 (2019) 158 [ 1907.02984]
D. Medina-Rincon, Matching quantum string corrections and circular Wilson lo ops in AdS4 × CP 3, JHEP 08 (2019) 158 [ 1907.02984]
2019 arXiv
-
[29]
David, R
M. David, R. De Le´ on Ard´ on, A. Faraggi, L. A. Pando Zaya s and G. A. Silva, One-loop Holography with Strings in AdS4 × CP3, 1907.08590
1907 arXiv
-
[30]
Erickson, G
J. Erickson, G. Semenoff and K. Zarembo, Wilson loops in N=4 supersymmetric Yang-Mills theory, Nucl.Phys. B582 (2000) 155 [ hep-th/0003055]
2000 arXiv
-
[31]
Drukker and D
N. Drukker and D. J. Gross, An Exact prediction of N=4 SUSYM theory for string theory , J.Math.Phys. 42 (2001) 2896 [ hep-th/0010274]
2001 arXiv
-
[32]
Akemann and P
G. Akemann and P. H. Damgaard, Wilson loops in N =4 supersymmetric Yang-Mills theory from random matrix theory , Phys. Lett. B513 (2001) 179 [ hep-th/0101225]
2001 arXiv
-
[33]
S. A. Hartnoll and S. P. Kumar, Higher rank Wilson loops from a matrix model , JHEP 0608 (2006) 026 [ hep-th/0605027]
2006 arXiv
-
[34]
Fiol and G
B. Fiol and G. Torrents, Exact results for Wilson loops in arbitrary representation s, JHEP 01 (2014) 020 [ 1311.2058]
2014 arXiv
-
[35]
Okuyama and G
K. Okuyama and G. W. Semenoff, Wilson loops in N=4 SYM and fermion droplets , JHEP 06 (2006) 057 [ hep-th/0604209]
2006 arXiv
-
[36]
Chen-Lin, Symmetric Wilson Loops beyond leading order , SciPost Phys
X. Chen-Lin, Symmetric Wilson Loops beyond leading order , SciPost Phys. 1 (2016) 013 [1610.02914]
2016 arXiv
-
[37]
Gordon, Antisymmetric Wilson loops in N = 4 SYM beyond the planar limit , JHEP 01 (2018) 107 [ 1708.05778]
J. Gordon, Antisymmetric Wilson loops in N = 4 SYM beyond the planar limit , JHEP 01 (2018) 107 [ 1708.05778]
2018 arXiv
-
[38]
Okuyama, Phase Transition of Anti-Symmetric Wilson Loops in N = 4 SYM, JHEP 12 (2017) 125 [ 1709.04166]
K. Okuyama, Phase Transition of Anti-Symmetric Wilson Loops in N = 4 SYM, JHEP 12 (2017) 125 [ 1709.04166]
2017 arXiv
-
[39]
A. F. Canazas Garay, A. Faraggi and W. M¨ uck, Antisymmetric Wilson loops in N = 4 SYM: from exact results to non-planar corrections , JHEP 08 (2018) 149 [ 1807.04052]
2018 arXiv
-
[40]
Okuyama, Connected correlator of 1/2 BPS Wilson loops in N = 4 SYM, JHEP 10 (2018) 037 [ 1808.10161]
K. Okuyama, Connected correlator of 1/2 BPS Wilson loops in N = 4 SYM, JHEP 10 (2018) 037 [ 1808.10161]
2018 arXiv
-
[41]
B. Fiol, J. Mart ´ ınez-Montoya and A. Rios Fukelman, Wilson loops in terms of color invariants, JHEP 05 (2019) 202 [ 1812.06890]. 13
2019 arXiv
-
[42]
Zarembo, Supersymmetric Wilson loops , Nucl
K. Zarembo, Supersymmetric Wilson loops , Nucl. Phys. B643 (2002) 157 [ hep-th/0205160]
2002 arXiv
-
[43]
Drukker, 1/4 BPS circular loops, unstable world-sheet instantons an d the matrix model , JHEP 09 (2006) 004 [ hep-th/0605151]
N. Drukker, 1/4 BPS circular loops, unstable world-sheet instantons an d the matrix model , JHEP 09 (2006) 004 [ hep-th/0605151]
2006 arXiv
-
[44]
Drukker, S
N. Drukker, S. Giombi, R. Ricci and D. Trancanelli, More supersymmetric Wilson loops , Phys. Rev. D76 (2007) 107703 [ 0704.2237]
2007 arXiv
-
[45]
Drukker, S
N. Drukker, S. Giombi, R. Ricci and D. Trancanelli, Supersymmetric Wilson loops on S**3 , JHEP 05 (2008) 017 [ 0711.3226]
2008 arXiv
-
[46]
Forini, V
V. Forini, V. Giangreco M. Puletti, L. Griguolo, D. Semi nara and E. Vescovi, Precision calculation of 1/4-BPS Wilson loops in AdS 5 × S5, JHEP 02 (2016) 105 [ 1512.00841]
2016 arXiv
-
[47]
Bill` o, F
M. Bill` o, F. Galvagno and A. Lerda, BPS Wilson loops in generic conformal N=2 SYM theories, 1906.07085
1906 arXiv
-
[49]
Marino, Chern-Simons theory, matrix models, and topological string s, Int
M. Marino, Chern-Simons theory, matrix models, and topological string s, Int. Ser. Monogr. Phys. 131 (2005) 1
2005
-
[50]
Macdonald, Symmetric Functions and Hall Polynomials
I. Macdonald, Symmetric Functions and Hall Polynomials . Oxford University Press, 2 ed., 1995
1995
-
[51]
Symmetric functions
A. Lascoux, “Symmetric functions.” https://www.emis.de/journals/SLC/wpapers/s68vortrag/ALCoursSf2.pdf
-
[52]
Ooguri and C
H. Ooguri and C. Vafa, Knot invariants and topological strings , Nucl. Phys. B577 (2000) 419 [hep-th/9912123]
2000 arXiv
-
[53]
Ambjørn, L
J. Ambjørn, L. Chekhov, C. F. Kristjansen and Yu. Makeen ko, Matrix model calculations beyond the spherical limit , Nucl. Phys. B404 (1993) 127 [ hep-th/9302014]
1993 arXiv
-
[54]
7), 2019
The Sage Developers, SageMath, the Sage Mathematics Software System (Version 8. 7), 2019. https://www.sagemath.org. 14
2019
-
[55]
NIST Digital Library of Mathematical Functions
“ NIST Digital Library of Mathematical Functions .” http://dlmf.nist.gov/, Release 1.0.22 of 2019-03-15. F. W. J. Olver, A. B. Olde Daalhuis, D. W. Lozier, B. I. Schneider, R. F. Boisvert, C. W. Clark, B. R. Miller and B. V. Saunders, eds. 15
2019
Reviewed August 14, 2026 · model on record in the stance chip above.
Discussion (0). Continue with ORCID to comment.