List questions from spin-geometry

Published on 06 Oct 2015 - 17:13

655

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The last accidental spin groups

Published on 25 Mar 2026 - 3:17

64

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Find a polarisation in a complex vector space.

Published on 12 Oct 2015 - 9:08

597

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Spin^c structure induced by a spin structure

Published on 02 Nov 2015 - 22:37

202

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Why the combinatorial second Stiefel-Whitney class is a cocycle?

Published on 04 Nov 2015 - 11:31

109

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Solution of the Seiberg-Witten equations over $\mathbb{C}P^{2}$

Published on 04 Nov 2015 - 11:39

72

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Lift of inclusion $U(k)$ into $SO(2k)$ to $Spin^c$ group

Published on 26 Nov 2015 - 20:32

51

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Is there a general formula for the following Lie algebra quantity?

Published on 09 Dec 2015 - 4:51

249

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Description of complex conjugate $\operatorname{Spin}^c$ structure without cocycles

Published on 05 Mar 2026 - 20:29

747

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What does it mean that quaternions/ spinors are negated under a full rotation?

Published on 23 Feb 2026 - 2:03

314

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Lie Algebra SU(2)

Published on 26 Mar 2026 - 20:10

3.5k

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Intuition behind definition of spinor

Published on 05 Mar 2016 - 1:15

389

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Quadratic equations defining the $10$-dimensional spinor variety.

Published on 23 Mar 2026 - 23:31

232

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Why do we need the $S \otimes L^{1/2}$ bundle product to determine a $Spin_c$ structure?

Published on 26 Apr 2016 - 7:29

348

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The bundle of spin frames as an associated bundle

Published on 12 May 2016 - 11:40

List Question

Is there such thing as an $n$-fold cover of $SO(n)$?

The last accidental spin groups

Find a polarisation in a complex vector space.

Spin^c structure induced by a spin structure

Why the combinatorial second Stiefel-Whitney class is a cocycle?

Solution of the Seiberg-Witten equations over $\mathbb{C}P^{2}$

Lift of inclusion $U(k)$ into $SO(2k)$ to $Spin^c$ group

Is there a general formula for the following Lie algebra quantity?

Description of complex conjugate $\operatorname{Spin}^c$ structure without cocycles

What does it mean that quaternions/ spinors are negated under a full rotation?

Lie Algebra SU(2)

Intuition behind definition of spinor

Quadratic equations defining the $10$-dimensional spinor variety.

Why do we need the $S \otimes L^{1/2}$ bundle product to determine a $Spin_c$ structure?

The bundle of spin frames as an associated bundle

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