People

Dr Vanni Noferini

Lecturer
Department of Mathematical Sciences
Dr Vanni Noferini
  • Email

  • Telephone

    +44 (0) 1206 873032

  • Location

    STEM 5.40, Colchester Campus

Profile

Qualifications

  • M.Sc. in Physics, 2008, University of Florence, Italy

  • Ph.D. in Mathematics, 2012, University of Pisa, Italy

Appointments

University of Essex

  • Lecturer (R), Mathematical Sciences, University of Essex (1/9/2015 - present)

Other academic

  • Postdoctoral Research Associate, School of Mathematics, University of Manchester (1/12/2012 - 31/8/2015)

Teaching and supervision

Current teaching responsibilities

  • Mathematical Skills (MA125)

  • Mathematics Careers and Employability (MA199)

  • Real Analysis (MA203)

  • Cryptography and Codes (MA315)

Publications

Journal articles (24)

Arrigo, F., Higham, DJ. and Noferini, V., Non-backtracking alternating walks. SIAM Journal on Applied Mathematics

Grindrod, P., Higham, DJ. and Noferini, V., (2018). The deformed graph Laplacian and its applications to network centrality analysis. SIAM Journal on Matrix Analysis and Applications. 39 (1), 310-341

Arrigo, F., Higham, DJ., Grindrod, P. and Noferini, V., (2018). Non-backtracking Walk Centrality for Directed Networks. Journal of Complex Networks. 6 (1), 54-78

Arrigo, F., Grindrod, P., Higham, DJ. and Noferini, V., (2018). On the exponential generating function for non-backtracking walks. Linear Algebra and its Applications. 556, 381-399

Noferini, V., (2017). A Formula for the Fréchet Derivative of a Generalized Matrix Function. SIAM Journal on Matrix Analysis and Applications. 38 (2), 434-457

Nakatsukasa, Y., Noferini, V. and Townsend, A., (2017). Vector Spaces of Linearizations for Matrix Polynomials: A Bivariate Polynomial Approach. SIAM Journal on Matrix Analysis and Applications. 38 (1), 1-29

Noferini, V. and Pérez, J., (2016). Chebyshev rootfinding via computing eigenvalues of colleague matrices: when is it stable?. Mathematics of Computation. 86 (306), 1741-1767

Noferini, V. and Pérez, J., (2016). Fiedler-comrade and Fiedler--Chebyshev pencils. SIAM Journal on Matrix Analysis and Applications. 37 (4), 1600-1624

Higham, NJ. and Noferini, V., (2016). An algorithm to compute the polar decomposition of a 3 × 3 matrix. Numerical Algorithms. 73 (2), 349-369

Noferini, V. and Townsend, A., (2016). Numerical Instability of Resultant Methods for Multidimensional Rootfinding. SIAM Journal on Numerical Analysis. 54 (2), 719-743

Mehrmann, V., Noferini, V., Tisseur, F. and Xu, H., (2016). On the sign characteristics of Hermitian matrix polynomials. Linear Algebra and its Applications. 511, 328-364

Nakatsukasa, Y. and Noferini, V., (2016). On the stability of computing polynomial roots via confederate linearizations. Mathematics of Computation. 85 (301), 2391-2425

Nakatsukasa, Y., Noferini, V. and Townsend, A., (2015). Computing the common zeros of two bivariate functions via Bézout resultants. Numerische Mathematik. 129 (1), 181-209

Noferini, V. and Poloni, F., (2015). Duality of matrix pencils, Wong chains and linearizations. Linear Algebra and its Applications. 471, 730-767

Noferini, V., Sharify, M. and Tisseur, F., (2015). Tropical Roots as Approximations to Eigenvalues of Matrix Polynomials. SIAM Journal on Matrix Analysis and Applications. 36 (1), 138-157

Noferini, V., (2015). When is a Hamiltonian matrix the commutator of two skew-Hamiltonian matrices?. Linear and Multilinear Algebra. 63 (8), 1531-1552

De Terán, F., Lippert, RA., Nakatsukasa, Y. and Noferini, V., (2014). Flandersʼ theorem for many matrices under commutativity assumptions. Linear Algebra and its Applications. 443, 120-138

Bini, DA., Noferini, V. and Sharify, M., (2013). Locating the Eigenvalues of Matrix Polynomials. SIAM Journal on Matrix Analysis and Applications. 34 (4), 1708-1727

Bini, DA. and Noferini, V., (2013). Solving polynomial eigenvalue problems by means of the Ehrlich–Aberth method. Linear Algebra and its Applications. 439 (4), 1130-1149

Gemignani, L. and Noferini, V., (2013). The Ehrlich–Aberth method for palindromic matrix polynomials represented in the Dickson basis. Linear Algebra and its Applications. 438 (4), 1645-1666

Gemignani, L. and Noferini, V., (2012). Modifications of Newton’s method for even-grade palindromic polynomials and other twined polynomials. Numerical Algorithms. 61 (2), 315-329

Noferini, V., (2012). The behaviour of the complete eigenstructure of a polynomial matrix under a generic rational transformation. Electronic Journal of Linear Algebra. 23, 607-624

Colomo, F., Noferini, V. and Pronko, AG., (2011). Algebraic arctic curves in the domain-wall six-vertex model. Journal of Physics A: Mathematical and Theoretical. 44 (19), 195201-195201

Noferini, V., (2011). The application of the Ehrlich-Aberth method to structured polynomial eigenvalue problems. PAMM. 11 (1), 919-922

Reports and Papers (1)

Nakatsukasa, Y. and Noferini, V., Inertia laws and localization of real eigenvalues for generalized indefinite eigenvalue problems

Contact

vnofer@essex.ac.uk
+44 (0) 1206 873032

Location:

STEM 5.40, Colchester Campus