Sirkka-Liisa Eriksson                                                                          Birthday wishes from Anthony Sudbery

Born: Pälkäne, Finland 8.1.1958

Education:

  • High School: Valkeakosken Lukio 1974 – 1977
    • Subjects in final: Mathematics, Finnish, Swedish, Physics & Chemistry, German and English
  • College: University of Tampere 1977 – 1980
    • Major: Mathematics, Physics Minors: Statistics
    • Thesis title: Hyperharmoniset struktuurit algebrallisessa potentiaaliteoriassa
    • Graduate study: University of Joensuu 1981 (beginning of year) – 1984
      • As Licentiate in 1982, with minor in Statistics and thesis title “the Väliaho method in quadratic optimization” (Väliahon menetelmä kvadraattisessa optimoinnissa)
      • Doctoral thesis with highest grade (Laudatur), and distinguished by the university. Advisor: Ilpo Laine. Thesis title: Hyperharmonic cones and morphisms

 

Current working place: Department of Mathematics and Statistics, University of Helsinki

 

Previous academic career:

  • University of Joensuu (Academy researcher)
  • Tampere University of Technology (professor)
  • Docent at University of Helsinki and University of Finland
  • Docent at University of University of Eastern Finland

 

Selection of Academic visits:

  • 1984 – 1985  Erlangen, Germany
  • 1986 – 1988  Seattle, Washington, USA
  • 1992              Montreal, Canada
  • 2000 – 2001  Erlangen, Germany

 

Selection of publications:

Eriksson, Sirkka-Liisa. “Hyperharmonic cones and cones of hyperharmonics.” An. Ştiinţ. Univ. Al. I. Cuza Iaşi Secţ. I a Mat. 31, no. 2 (1985): 109-116.

Eriksson, Sirkka-Liisa; Leutwiler, Heinz A potential-theoretic approach to parallel addition. Math. Ann. 274 (1986), no. 2, 301–317.

Eriksson-Bique, Sirkka-Liisa, and Heinz Leutwiler. “On modified quaternionic analysis in R³.” Archiv der Mathematik 70, no. 3 (1998): 228-234.

Eriksson-Bique, Sirkka-Liisa The binomial theorem for hypercomplex numbers. Ann. Acad. Sci. Fenn. Math. 24 (1999), no. 1, 225–229.

Eriksson-Bique, Sirkka-Liisa, and Heinz Leutwiler. “Hypermonogenic functions.” In Clifford algebras and their applications in mathematical physics, pp. 287-302. Birkhäuser, Boston, MA, 2000.

Eriksson, Sirkka-Liisa Integral formulas for hypermonogenic functions. Bull. Belg. Math. Soc. Simon Stevin 11 (2004), no. 5, 705–717.

Eriksson, Sirkka-Liisa; Leutwiler, Heinz Hypermonogenic functions and their Cauchy-type theorems. Advances in analysis and geometry, 97–112, Trends Math., Birkhäuser, Basel, 2004.

Bian, Xiaoli; Eriksson, Sirkka-Liisa; Li, Junxia; Qiao, Yuying Cauchy integral formula and Plemelj formula of bihypermonogenic functions in real Clifford analysis. Complex Var. Elliptic Equ. 54 (2009), no. 10, 957–976.

Eriksson, Sirkka-Liisa; Orelma, Heikki Hyperbolic function theory in the Clifford algebra Cℓn+1,0. Adv. Appl. Clifford Algebr. 19 (2009), no. 2, 283–301.

Eriksson, S-L., H. Orelma, and N. Vieira. “Hypermonogenic functions of two vector variables.” Complex Analysis and Operator Theory 12, no. 2 (2018): 555-570.