| 1. | Where \ nabla is the Levi-Civita connection of g.
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| 2. | I had a heading with a nabla symbol : \ nabla.
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| 3. | I had a heading with a nabla symbol : \ nabla.
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| 4. | Where \ nabla denotes a gradient and \ cdot a dot product.
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| 5. | Here, \ nabla \ varphi denotes the gradient of \ varphi.
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| 6. | Where \ scriptstyle \ nabla ^ 2 is the Laplacian.
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| 7. | Where \ nabla represents the flat-space derivative operator.
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| 8. | The Greeks referred to it as the nabla ( ?????, cf.
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| 9. | Further let \ nabla be the Levi-Civita connection.
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| 10. | Where \ triangle \ equiv \ nabla ^ 2 is the Laplacian.
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