Geometry of the SL(3, ℂ)–character variety of torus knots
Algebraic and Geometric Topology, Tome 16 (2016) no. 1, pp. 397-426
Cet article a éte moissonné depuis la source Mathematical Sciences Publishers

Voir la notice de l'article

Let G be the fundamental group of the complement of the torus knot of type (m,n). It has a presentation G = 〈x,y∣xm = yn〉. We find a geometric description of the character variety X(G) of characters of representations of G into SL(3, ℂ), GL(3, ℂ) and PGL(3, ℂ).

DOI : 10.2140/agt.2016.16.397
Classification : 14D20, 57M25, 57M27
Keywords: torus knot, characters, representations

Muñoz, Vicente  1   ; Porti, Joan  2

1 Facultad de Matemáticas, Universidad Complutense de Madrid, Plaza de Ciencias 3, 28040 Madrid, Spain, Instituto de Ciencias Matemáticas (CSIC-UAM-UC3M-UCM), C/ Nicolás Cabrera 15, 28049 Madrid, Spain
2 Departament de Matemàtiques, Universitat Autònoma de Barcelona, Cerdanyola del Valles, 08193 Barcelona, Spain
@article{10_2140_agt_2016_16_397,
     author = {Mu\~noz, Vicente and Porti, Joan},
     title = {Geometry of the {SL(3,} {\ensuremath{\mathbb{C}}){\textendash}character} variety of torus knots},
     journal = {Algebraic and Geometric Topology},
     pages = {397--426},
     year = {2016},
     volume = {16},
     number = {1},
     doi = {10.2140/agt.2016.16.397},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2016.16.397/}
}
TY  - JOUR
AU  - Muñoz, Vicente
AU  - Porti, Joan
TI  - Geometry of the SL(3, ℂ)–character variety of torus knots
JO  - Algebraic and Geometric Topology
PY  - 2016
SP  - 397
EP  - 426
VL  - 16
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.2140/agt.2016.16.397/
DO  - 10.2140/agt.2016.16.397
ID  - 10_2140_agt_2016_16_397
ER  - 
%0 Journal Article
%A Muñoz, Vicente
%A Porti, Joan
%T Geometry of the SL(3, ℂ)–character variety of torus knots
%J Algebraic and Geometric Topology
%D 2016
%P 397-426
%V 16
%N 1
%U http://geodesic.mathdoc.fr/articles/10.2140/agt.2016.16.397/
%R 10.2140/agt.2016.16.397
%F 10_2140_agt_2016_16_397
Muñoz, Vicente; Porti, Joan. Geometry of the SL(3, ℂ)–character variety of torus knots. Algebraic and Geometric Topology, Tome 16 (2016) no. 1, pp. 397-426. doi: 10.2140/agt.2016.16.397

[1] M Culler, P B Shalen, Varieties of group representations and splittings of 3–manifolds, Ann. of Math. 117 (1983) 109

[2] T Hausel, M Thaddeus, Mirror symmetry, Langlands duality, and the Hitchin system, Invent. Math. 153 (2003) 197

[3] M Heusener, J Porti, Representations of knot groups into SLn(C) and twisted Alexander polynomials, Pacific J. Math. 277 (2015) 313

[4] M Heusener, J Porti, E Suárez Peiró, Deformations of reducible representations of 3–manifold groups into SL2(C), J. Reine Angew. Math. 530 (2001) 191

[5] N J Hitchin, The self-duality equations on a Riemann surface, Proc. London Math. Soc. 55 (1987) 59

[6] T Kitano, T Morifuji, Twisted Alexander polynomials for irreducible SL(2, C)–representations of torus knots, Ann. Sc. Norm. Super. Pisa Cl. Sci. 11 (2012) 395

[7] S Lawton, Minimal affine coordinates for SL(3, C) character varieties of free groups, J. Algebra 320 (2008) 3773

[8] S Lawton, V Muñoz, E–polynomial of the SL(3, C)–character variety of free groups, (2014)

[9] M Logares, V Muñoz, P E Newstead, Hodge polynomials of SL(2, C)–character varieties for curves of small genus, Rev. Mat. Complut. 26 (2013) 635

[10] A Lubotzky, A R Magid, Varieties of representations of finitely generated groups, 336, Amer. Math. Soc. (1985)

[11] J Martín-Morales, A M Oller-Marcén, Combinatorial aspects of the character variety of a family of one-relator groups, Topology Appl. 156 (2009) 2376

[12] V Muñoz, The SL(2, C)–character varieties of torus knots, Rev. Mat. Complut. 22 (2009) 489

[13] D Rolfsen, Knots and links, 7, Publish or Perish (1990)

[14] A S Sikora, Generating sets for coordinate rings of character varieties, J. Pure Appl. Algebra 217 (2013) 2076

Cité par Sources :