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(2s?1) Designs withs intersection numbers
Geometriae Dedicata, 1993The authors call a \((2s-1)\)-design with \(s\) intersection numbers extremal. Expressing the coefficients of the Delsarte polynomial for an extremal design in a suitable manner, they obtain several interesting necessary conditions on the parameters and intersection numbers of such designs.
Ionin, Yuri J., Shrikhande, Mohan S.
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Further Examples of Intersection Numbers
2020In this chapter further examples of computing scattering amplitudes using recursion relations for intersection numbers are presented. Based on previous results, we identify twisted forms appropriate for specific quantum field theories, including gauge and gravity theories, and compute their scattering amplitudes via intersection numbers. We finish with
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Intersection Numbers and their Properties
1999In this chapter we will focus on the study of multiplicities and intersection numbers. We will introduce in Section 6.1 a version of the j-multiplicity for arbitrary local rings which was first studied by Achilles and Manaresi [AMa2]. It assigns a new multiplicity j(a, M) to every finite module M over a local ring A, where a is an arbitrary (not ...
Hubert Flenner +2 more
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The Associative Law for Intersection Numbers
Journal of the London Mathematical Society, 1966Blackburn, K., Wright, D. J.
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Intersection numbers and cup products.
2018Marvin J. Greenberg, John R. Harper
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