Multivariate extensions of isotonic regression and total variation denoising via entire monotonicity and Hardy-Krause variation
Billy Fang, Adityanand Guntuboyina, Bodhisattva Sen
2019. [arXiv]

From Gauss to Kolmogorov: Localized Measures of Complexity for Ellipses
Yuting Wei, Billy Fang, Martin J. Wainwright
2018. [arXiv]


On the risk of convex-constrained least squares estimators under misspecification
Billy Fang, Adityanand Guntuboyina
To appear in Bernoulli
2017. [arXiv]


Graduate student instructor, UC Berkeley


The following are personal notes and expository material for various courses and topics.


I play the violin and the piano. You can find me in the UC Berkeley Symphony Orchestra.

Recent and upcoming performances:

  • UC Berkeley Symphony Orchestra; Hertz Hall, April 5-6, 2019.
    • Strauss: Ein Heldenleben
  • J. Huang, piano; B. Fang, violin; E. Cockx, cello; Coltman Chamber Music Competition, Austin, TX, March 30, 2019.
    • Mendelssohn: Piano Trio No. 1: I. Molto allegro ed agitato
    • Mozart: Piano Trio No. 5, K 548: I. Allegro
  • J. Huang, piano; B. Fang, R. Liaw, violin; Z. Zhao, viola; I. Witte, cello; Noon Concert, Hertz Hall, January 23, 2019.
    • Dvorak: Piano Quintet No. 2
  • J. Huang, piano; B. Fang, R. Liaw, violin; Z. Zhao, viola; I. Witte, cello; UC Berkeley Women’s Faculty Club, October 24, 2018.
    • Dvorak: Piano Quintet No. 2
  • B. Fang, B. Fu, violin; K. Zimmermann, C. Wang, viola; N. Kanai, K. Suga, cello; August 5, 2017.
    • Schönberg: Verklärte Nacht
  • K. Zimmermann, B. Fang, violin; C. Simpson, viola; M. Tsay, cello; June 16, 2017.
    • Beethoven: String Quartet No. 14, Op. 131
  • L. Petito, violin; B. Fang, piano; Maybeck Studio, June 4, 2016.
    • Beethoven: Sonata No. 9 in A minor, Op. 47, “Kreutzer”: I. Allegro sostenuto – Presto
  • B. Fang, violin; J. Kim, viola; M. Tsay, cello; November 13, 2015.
    • Dohnányi: Serenade, Op. 10
    • Schubert: String Trio, D. 471


  • blfang à berkeley • edu
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