AT8 Easy Van Kampen Theorem and Poincare Theorem
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=n7jWUK9_wvM
μ¬μ΄ ννμ Van Kampen Theoremμ μμλ³΄κ³ , μ΄λ₯Ό ν΅ν΄ μμ곡κ°μ Fundamental Groupμ ꡬν΄λ΄ λλ€. λν, Poincare Theorem(Conjecture)μ μλ―Έλ₯Ό μ΄ν΄λ΄ λλ€. • #μνμλΉ221#μμμν#μ΄λν
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