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Achenef Tesfahun Temesgen's picture

Achenef Tesfahun Temesgen

Associate Professor
  • E-mailAchenef.Temesgen@uib.no
  • Phone+47 55 58 26 59
  • Visitor Address
    Realfagbygget, Allégt. 41
  • Postal Address
    Postboks 7803
    5020 Bergen
Academic article
  • Tesfahun, Achenef. 2020. Small data scattering for a cubic Dirac equation with Hartree type nonlinearity in $\R^{1+3}$. SIAM Journal on Mathematical Analysis.
  • Tesfahun, Achenef. 2019. Remark on the persistence of spatial analyticity for cubic nonlinear Schr\"{o}dinger equation on the circle . NoDEA. Nonlinear differential equations and applications (Printed ed.).
  • Tesfahun, Achenef. 2019. Growth-in-time of higher Sobolev norms of solutions to the 1D Dirac-Klein-Gordon system. Journal of Hyperbolic Differential Equations. 313-332.
  • Tesfahun, Achenef. 2018. Long-time Behavior of Solutions to Cubic Dirac Equation with Hartree Type Nonlinearity in $\R^{1+2}$. International mathematics research notices. 1-50.
  • Tesfahun, Achenef. 2018. Asymptotic lower bound for the radius of spatial analyticity to solutions of KdV equation. Communications in Contemporary Mathematics.
  • Selberg, Sigmund; Tesfahun, Achenef. 2017. On the radius of spatial analyticity for the quartic generalized KdV equation. Annales de l'Institute Henri Poincare. Physique theorique. 3553-3564.
  • Tesfahun, Achenef. 2017. On the radius of spatial analyticity for cubic nonlinear Schrödinger equations. Journal of Differential Equations. 7496-7512.
  • Selberg, Sigmund; Tesfahun, Achenef. 2016. Null structure and local well-posedness in the energy class for the Yang-Mills equations in Lorenz Gauge. Journal of the European Mathematical Society (Print). 1729-1752.
  • Herr, Sebastian; Tesfahun, Achenef. 2015. Small data scattering for semi-relativistic equations with Hartree type nonlinearity. Journal of Differential Equations. 5510-5532.
  • Selberg, Sigmund; Temesgen, Achenef Tesfahun. 2015. On the radius of spatial analyticity for the 1d Dirac–Klein–Gordon equations. Journal of Differential Equations. 4732-4744.
  • Temesgen, Achenef Tesfahun. 2015. Local well-posedness of Yang-Mills equations in Lorenz gauge below the energy norm. NoDEA. Nonlinear differential equations and applications (Printed ed.). 849-875.
  • Temesgen, Achenef Tesfahun. 2015. Finite energy local well-posedness for the Yang-Mills-Higgs equations in Lorenz Gauge. International mathematics research notices. 5140-5161.
  • Tesfahun, Achenef. 2015. Almost critical local well-posedness for the space-time monopole equation in Lorenz gauge. Communications in Contemporary Mathematics.
  • Selberg, Sigmund; Tesfahun, Achenef. 2013. Unconditional uniqueness in the charge class for the Dirac-Klein-Gordon equations in two space dimensions. NoDEA. Nonlinear differential equations and applications (Printed ed.). 1055-1063.
  • Selberg, Sigmund; Tesfahun, Achenef. 2013. Global well-posedness of the Chern-Simons-Higgs equations with finite energy. Discrete and Continuous Dynamical Systems. Series A. 2531-2546.
  • Selberg, Sigmund; Temesgen, Achenef Tesfahun. 2010. Remarks on regularity and uniqueness of the Dirac-Klein-Gordon equations in one space dimension. NoDEA. Nonlinear differential equations and applications (Printed ed.). 453-465.
  • Selberg, Sigmund; Tesfahun, Achenef. 2010. Low regularity well-posedness for some nonlinear Dirac equations in one space dimension. Differential and Integral Equations. 265-278.
  • Selberg, Sigmund; Tesfahun, Achenef. 2010. Finite-energy global well-posedness of the Maxwell-Klein-Gordon equations in Lorenz gauge. Communications in Partial Differential Equations. 1029-1057.
  • Temesgen, Achenef Tesfahun. 2009. GLOBAL WELL-POSEDNESS OF THE 1D DIRAC-KLEIN-GORDON SYSTEM IN SOBOLEV SPACES OF NEGATIVE INDEX. Journal of Hyperbolic Differential Equations. 631-661.
  • Selberg, Sigmund; Tesfahun, Achenef. 2008. Low regularity well-posedness of the Dirac-Klein-Gordon system in one space dimension. Communications in Contemporary Mathematics. 181-194.
  • Selberg, S; Tesfahun, Achenef. 2008. Low regularity well-posedness of the Dirac-Klein-Gordon equations in one space dimension. Communications in Contemporary Mathematics. 181-194.
  • Tesfahun, Achenef. 2007. LOW REGULARITY AND LOCAL WELL-POSEDNESS FOR THE 1+3 DIMENSIONAL DIRAC-KLEIN-GORDON SYSTEM. Electronic Journal of Differential Equations. 1-26.
Doctoral dissertation
  • Temesgen, Achenef Tesfahun. 2009. Regularity results for the Dirac-Klein-Gordon equations. 152.

More information in national current research information system (CRIStin)