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9 votes
3 answers
696 views

I want to find a smooth section of the map from the Stiefel manifold to the Grassmanian manifold

The following question is related to research I am doing on reinforcement learning on manifolds. I have a set of basis vectors $\boldsymbol{B} = \{\boldsymbol{b}_1,\dots,\boldsymbol{b}_k\}$ that span ...
0 votes
0 answers
139 views

Integration on algebraic curves

Consider the plane algebraic curve $$f(x, y) = y^4 - (2x - 1)y^2 - (4x - 1) y + x^2 + x + 1 = 0.\tag{1}$$ Its compactification results in a Riemann surface $C_1$ of genus $1$. Hence, it can be ...