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 | My research topics are: 
 
                      knot theory,low dimensional topology,contact and symplectic topology,...
 |  Preprints
 Papers
 
 
              
                (with
                Nicolas Bédaride
                and
                Franz Gaähler)
                Cohomology groups for spaces of twelve-fold tilingsIMRN (International Mathematics Research Notices)
                  18  (2022), 14181-14254
 Preprint
                arXiv:2012.00379
 
 
                (with
                Alex Degtyarev
                and
                Vincent Florens)
                Slopes and signatures of linksFundamenta Mathematicae
                   258 (1) (2022), 65-114
 Preprint
                arXiv:1802.01836
 
 
                (with
                Alex Degtyarev
                and
                Vincent Florens)
                Slopes of links and signature formulasTopology, geometry, and dynamics—V. A. Rokhlin-Memorial, Contemp. Math.,
                   772 Amer.
                  Math. Soc., (2021), 93-105
 Preprint
                arXiv:2002.02790
 
 
                (with Daniel Kasprowski, Peter Lambert-Cole and Markus Land)
                Topologically flat embedded 2-spheres in specific simply connected 4-manifolds 2019-20 MATRIX annals, MATRIX Book Ser.  4 Springer, Cham, (2021), 111-116
 Preprint
                arXiv:1909.05512
 
 
                Complementary legs and rational balls Michigan Mathematical Journal  68(3) (2019), 637-649
 Preprint
                arXiv:1701.01980
 
 
                (with
                Paolo Aceto
                and
                Marco Golla)
                Handle decompositions of rational balls and Casson-Gordon
                  invariantsProceedings of the AMS  146(9) (2018), 4059-4072
 Preprint
                arXiv:1610.10032
 
 
                A note on graphs and rational balls RACSAM Serie A  112 (3) (2018), 705-716
 
 
                (with
                Benjamin Audoux
                and
                Fionntan Roukema)
                On hyperbolic knots in S3 with exceptional
                  surgeries at maximal distanceAlgebraic & Geometric Topology
                    18(4) (2017), 2371-2417
 Preprint
                arXiv:1701.01751
 
 
                (with
                Alex Degtyarev
                and
                Vincent Florens)
                The signature of a spliceIMRN (International Mathematics Research Notices)
                  8 (2017), 2249-2283
 Preprint
                arXiv:1409.5873
 
 
                (with
                Ken Baker and
                Dorothy Buck) Surgeries on knots between S1xS2 and
                  lens spacesCommunications in Analysis and Geometry,
                  23-3 (2016), 431-470
 Preprint
                arXiv:1302.7011
 
 
                On the slice-ribbon conjecture for pretzel knotsAlgebraic & Geometric Topology
                  15-4 (2015),
                  2133-2173
 Preprint
                arXiv:1309.0550
 
 
                (with Xiang-Dong Hou, Gary L. Mullen and James A. Sellers)
                On the Dimension of the Space of Magic Squares Over a
                  FieldLinear Algebra and its Applications
                  438 (2013), no. 8,
                  3463-3475
 
 
                (with
                Paolo Lisca)
                Stein fillable Seifert fibered 3-manifoldsAlgebraic & Geometric Topology
                  11 (2011), 625-642
 Preprint:
                arXiv:1007.3010
 
 
                On the slice-ribbon conjecture for Montesinos knotsTransactions of the American Mathematical Society
                  364 (2012), 233-285
 Preprint:
                arXiv:0910.4601
 
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