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  1. Prove that the manifold $SO(n)$ is connected

    The question really is that simple: Prove that the manifold SO(n) ⊂ GL(n,R) S O (n) ⊂ G L (n, R) is connected. it is very easy to see that the elements of SO(n) S O (n) are in one-to-one …

  2. Dimension of SO (n) and its generators - Mathematics Stack …

    Nov 18, 2015 · The generators of SO(n) S O (n) are pure imaginary antisymmetric n × n n × n matrices. How can this fact be used to show that the dimension of SO(n) S O (n) is n(n−1) 2 n …

  3. Fundamental group of the special orthogonal group SO(n)

    Also, if I'm not mistaken, Steenrod gives a more direct argument in "Topology of Fibre Bundles," but he might be using the long exact sequence of a fibration (which you mentioned).

  4. Homotopy groups O(N) and SO(N): $\\pi_m(O(N))$ v.s.

    Oct 3, 2017 · I have known the data of $\\pi_m(SO(N))$ from this Table: $$\\overset{\\displaystyle\\qquad\\qquad\\qquad\\qquad\\qquad\\qquad\\quad\\textbf{Homotopy …

  5. lie groups - Lie Algebra of SO (n) - Mathematics Stack Exchange

    Apr 24, 2017 · Where a, b, c, d ∈ 1, …, n a, b, c, d ∈ 1,, n. And so(n) s o (n) is the Lie algebra of SO (n). I'm unsure if it suffices to show that the generators of the ...

  6. Why $\\operatorname{Spin}(n)$ is the double cover of $SO(n)$?

    Dec 16, 2024 · is called the norm of Cl(Φ). We define the pinor group Pin(n) as the kernel of the homomorphism N: Γ → R ∗ ⋅ 1N: Γ →, and the spinor group Spin(n) as Pin(n) ∩ Γ +. That's the …

  7. What is the relationship between SL (n) and SO (n)?

    To add some intuition to this, for vectors in Rn R n, SL(n) S L (n) is the space of all the transformations with determinant 1 1, or in other words, all transformations that keep the …

  8. orthogonal matrices - Irreducible representations of $SO (N ...

    Sep 21, 2020 · @Jahan: 2) This is also not a problem. You can check that if a connected Lie group G G acts on a finite-dimensional vector space V V then V V is irreducible as a …

  9. group theory - Generators Of $SO (n)$ - Mathematics Stack …

    Aug 1, 2024 · I was wondering, for the group $SO(n)$, as far as I understand, the $n\\choose 2$ infinitesimal rotations in the plane spanned by $e_i$ and $e_j$ for $0\\le i<j&lt ...

  10. Distinguishing $SU(n)$ from $SO(n)$ - Mathematics Stack Exchange

    May 24, 2017 · Suppose that I have a group G G that is either SU(n) S U (n) (special unitary group) or SO(n) S O (n) (special orthogonal group) for some n n that I don't know. Which …