Alvaro Liendo
Profesor Titular · Universidad de Talca
Instituto de Matemáticas · Universidad de Talca
Av. Lircay s/n, 3460000 Talca, Chile
Publications
My papers and preprints are available on arXiv and my MathSciNet profile.
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[28]
Nash blowup fails to resolve singularities in dimensions four and higher · · Annals of Mathematics (2) 203 (2026), no. 2
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[27]
On the characterization of affine toric varieties by their automorphism group · · Israel J. Math. (2026)
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[26]
Codimension two torus actions on the affine space · · J. Pure Appl. Algebra 229 (2025), no. 5, Paper No. 107911
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[25]
On a Torelli principle for automorphisms of Klein hypersurfaces · · Trans. Amer. Math. Soc. 377 (2024), no. 8, 5483–5511
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[24]
On the automorphism group of non-necessarily normal affine toric varieties · · Int. Math. Res. Not. IMRN 2024, no. 2, 1624–1649
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[23]
On the liftability of the automorphism group of smooth hypersurfaces of the projective space · · Israel J. Math. 255 (2023), no. 1, 283–310
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[22]
Characterization of affine surfaces with a torus action by their automorphism groups · · Ann. Sc. Norm. Super. Pisa Cl. Sci. (5) 24 (2023), no. 1, 249–289
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[21]
Automorphisms of products of toric varieties · · Math. Res. Lett. 29 (2022), no. 2, 529–540
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[20]
Normal real affine varieties with circle actions · · Ann. Inst. Fourier (Grenoble) 72 (2022), no. 5, 1831–1857
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[19]
On the characterization of Danielewski surfaces by their automorphism groups · · Transform. Groups 27 (2022), no. 1, 181–187
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[18]
On toric ind-varieties and pro-affine semigroups · · J. Algebra 569 (2021), 442–465
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[17]
Lie algebras of vertical derivations on semiaffine varieties with torus actions · · J. Pure Appl. Algebra 225 (2021), no. 2, Paper No. 106499
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[16]
On the topology of rational $T$-varieties of complexity one · · Mosc. Math. J. 20 (2020), no. 2, 405–422
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[15]
The fundamental group of a log terminal $T$-variety · · Eur. J. Math. 5 (2019), no. 3, 937–957
- [14]
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[13]
Uniformly rational varieties with torus action · · Transform. Groups 24 (2019), no. 1, 149–153
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[12]
Smooth varieties with torus actions · · J. Algebra 490 (2017), 204–218
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[11]
Rationally integrable vector fields and rational additive group actions · · Internat. J. Math. 27 (2016), no. 8, 1650060
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[10]
Additive group actions on affine $T$-varieties of complexity one in arbitrary characteristic · · J. Algebra 449 (2016), 730–773
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[9]
The algebraic density property for affine toric varieties · · J. Pure Appl. Algebra 219 (2015), 3685–3700
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[8]
The automorphism group of a variety with torus action of complexity one · · Mosc. Math. J. 14 (2014), no. 3, 429–471
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[7]
On the order of an automorphism of a smooth hypersurface · · Israel J. Math. 197 (2013), no. 1, 29–49
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[6]
Normal singularities with torus actions · · Tohoku Math. J. (2) 65 (2013), no. 1, 105–130
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[5]
Polyhedral divisors and $\mathrm{SL}_2$-actions on affine $T$-varieties · · Michigan Math. J. 61 (2012), no. 4, 731–762
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[4]
Roots of the affine Cremona group · Transform. Groups 16 (2011), no. 4, 1137–1142
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[3]
Automorphisms of prime order of smooth cubic $n$-folds · · Arch. Math. (Basel) 97 (2011), 25–37
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[2]
$\mathbb{G}_a$-actions of fiber type on affine $T$-varieties · J. Algebra 324 (2010), no. 12, 3653–3665
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[1]
Affine $T$-varieties of complexity one and locally nilpotent derivations · Transform. Groups 15 (2010), no. 2, 389–425
Preprints
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[8]
On a computational approach to the Nash blowup problem · · arXiv:2511.17862
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[7]
Non-normalized Nash blowup fails to resolve singularities in dimension three · · arXiv:2511.01772
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[6]
Automorphisms of prime power order of weighted hypersurfaces · · arXiv:2507.13538
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[5]
Characteristic-free normalized Nash blowup of toric varieties · · arXiv:2501.09811
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[4]
The automorphism groups of zero-dimensional monomial algebras · · arXiv:2408.02197
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[3]
On rational multiplicative group actions · · arXiv:2208.05024
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[2]
Topologically integrable derivations and additive group actions on affine ind-schemes · · arXiv:2012.14302
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[1]
Cohen-Macaulay Du Bois singularities with a torus action of complexity one · · arXiv:1806.08311
Students & Postdocs
Postdoc
- Charlie Petitjean · November 2015 – January 2017. Currently at I.U.T. Dijon-Département GMP, Dijon, France.
PhD
- Roberto Díaz · Defended November 19, 2021. Currently Professor at Universidad de La Serena.
- Luis Cid · PhD defended November 16, 2023.
- Gary Martínez Núñez · Defended June 25, 2025 (co-directed with Giancarlo Lucchini Arteche). Currently postdoc at Laboratoire Paul Painlevé, Université de Lille.
- Ana Julisa Palomino · Current PhD student.
- Gabriel Barría · Current PhD student.
- Sergio Pizarro · Current PhD student (co-directed with Federico Castillo).
MSc
- Joaquín Moraga · Defended June 22, 2015 (co-directed with Antonio Laface). Currently Professor at UCLA.
- Roberto Díaz · Defended May 13, 2016. PhD defended November 19, 2021. Currently Professor at Universidad de La Serena.
- Gonzalo Manzano · Defended September 14, 2016. Currently Professor at Universidad de Valparaíso.
- Luis Cid · Defended July 10, 2017. PhD defended November 16, 2023.
- Leonardo Montoya · Defended June 3, 2021.
- Ana Julisa Palomino · Defended January 25, 2023. Currently PhD student under my supervision.
- Marcelo Riveros · Defended January 16, 2025.
- Roger Santiago · Current MSc student.
- Matías Vásquez · Current MSc student.
- Rocío Valdés · Current MSc student.
Personal
With my family