Induced universal maps and some hyperspaces with the fixed point property
Induced universal maps and some hyperspaces with the fixed point property
For a (metric) continuum <inline-formula content-type="math/mathml"> <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="upper Z"> <mml:semantics> <mml:mi>Z</mml:mi> <mml:annotation encoding="application/x-tex">Z</mml:annotation> </mml:semantics> </mml:math> </inline-formula>, let <inline-formula content-type="math/mathml"> <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="2 Superscript upper Z"> <mml:semantics> <mml:mrow class="MJX-TeXAtom-ORD"> <mml:msup> <mml:mn>2</mml:mn> <mml:mi>Z</mml:mi> </mml:msup> </mml:mrow> <mml:annotation encoding="application/x-tex">{2^Z}</mml:annotation> </mml:semantics> </mml:math> </inline-formula> (resp., <inline-formula content-type="math/mathml"> <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="upper C left-parenthesis upper Z right-parenthesis"> …