Kernel formation (Ex)

Exercise 0.1. What is the kernel formation of the degree 1 normal map of the $<wikitex>; {{beginthm|Exercise}} \label{ex:kf}What is the kernel formation of the degree 1 normal map of the $ dimensional Lens space $$(f,b): L(m,n)^3 \longrightarrow S^3?$$ {{endthm}} {{beginthm|Exercise}} Find trivial formations for $S^3$ {{endthm}} {{beginrem|Hint}} Use the result in the Exercise \ref{ex:kf} {{endrem}} {{beginthm|Exercise}} Similarly, write down a boundary formation for $\mathbb{R}P^3$. {{endthm}} </wikitex> == References == {{#RefList:}} [[Category:Exercises]]3$ dimensional Lens space

Exercise 0.2. Find trivial formations for $S^3$ (Hint: Use the result in the Exercise 0.1)

Exercise 0.3. Similarly, write down a boundary formation for $\mathbb{R}P^3$.