Fumihiko Hirosawa

On the asymptotic behavior of the energy for the wave equations with time depending coefficients

Fumihiko Hirosawa · Mathematische Annalen · 2007 · 54 citations

Natural Sciences, Mathematics, Physics +12

Global solvability for Kirchhoff equation in special classes of non-analytic functions

Fumihiko Hirosawa · Journal of Differential Equations · 2006 · 36 citations

Natural Sciences, Mathematics, Differential Equations +9

Generalised energy conservation law for wave equations with variable propagation speed

Fumihiko Hirosawa, Jens Wirth · Journal of Mathematical Analysis and Applications · 2009 · 31 citations · Full text

Natural Sciences, Ocean Engineering, Physics +16

On the Cauchy problem for second order strictly hyperbolic equations with non–regular coefficients

Fumihiko Hirosawa · Mathematische Nachrichten · 2003 · 27 citations

Natural Sciences, Mathematics, Differential Equations +13

<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.gif" overflow="scroll"><mml:msup><mml:mi>C</mml:mi><mml:mi>m</mml:mi></mml:msup></mml:math>-theory of damped wave equations with stabilisation

Fumihiko Hirosawa, Jens Wirth · Journal of Mathematical Analysis and Applications · 2008 · 25 citations · Full text

Natural Sciences, Mathematics, Physics +14