大鹿 健一

<title>Abstract</title>Let <inline-formula><alternatives><tex-math>\Delta </tex-math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML">
<mml:mi>Δ</mml:mi>
</mml:math></alternatives></inline-formula> be a hyperbolic triangle with a fix...

<p>The notion of Kleinian groups was first introduced by Poincaré in the 19th century, and their study from a viewpoint of complex analysis was developed by Ahlfors, Bers, Kra, Maskit and Marden among others. After Thurston’s innovative work, topo...