Oscillations of the sunflower equation
Oscillations of the sunflower equation
Consider the delay differential equation <disp-formula content-type="math/mathml"> \[ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="ModifyingAbove y With two-dots left-parenthesis t right-parenthesis plus alpha ModifyingAbove y With dot left-parenthesis t right-parenthesis plus beta f left-parenthesis y left-parenthesis t minus r right-parenthesis right-parenthesis equals 0 comma left-parenthesis asterisk right-parenthesis"> <mml:semantics> <mml:mrow> <mml:mrow class="MJX-TeXAtom-ORD"> <mml:mover> <mml:mi>y</mml:mi> <mml:mo>¨</mml:mo> …