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Hecke Algebras, New Vectors and New Spaces

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The Computational and Theoretical Aspects of Elliptic Curves

Part of the book series: Mathematical Lectures from Peking University ((MLPKU))

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Abstract

We report a joint work [2] with E. M. Baruch in which we characterize the space of new forms for \(\Gamma _0(N)\) as a common eigenspace of certain Hecke operators which depend on primes dividing the level N.

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References

  1. A.O.L. Atkin, J. Lehner, Hecke operators on \(\Gamma _0(m)\). Math. Ann. 185, 134–160 (1970)

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  2. E.M. Baruch, S. Purkait, Hecke algebras, new vectors and new forms on \(\Gamma _0(m)\). Math. Zeit. (2017), https://doi.org/10.1007/s00209-017-1842-y

  3. W. Casselman, On some results of Atkin and Lehner. Math. Ann. 201, 301–314 (1973)

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  4. W. Casselman, The restriction of a representation of GL\(_2(k)\) to GL\(_2(\mathfrak{o})\). Math. Ann. 206, 311–318 (1973)

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  5. S. Gelbart, Automorphic forms on adele groups. Annals of Mathematics Studies, vol. 83 (Princeton University Press, Princeton, 1975)

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  6. R. Howe, Affine-like Hecke algebras and \(p\) -adic representation theory, in Iwahori-Hecke Algebras and their Representation Theory. Lecture Notes in Mathematics, vol. 1804 (2002), pp. 27–69

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Acknowledgements

It was a pleasure to attend the first China-Indo conference on Elliptic curves in the BICMR where I presented these results. I am grateful for the invitation.

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Correspondence to Soma Purkait .

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Purkait, S. (2019). Hecke Algebras, New Vectors and New Spaces. In: Liang, Z., Aribam, C. (eds) The Computational and Theoretical Aspects of Elliptic Curves. Mathematical Lectures from Peking University. Springer, Singapore. https://doi.org/10.1007/978-981-13-6664-2_6

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