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519 results on '"Hirschfeld J"'

1. Cubic Curves, Finite Geometry and Cryptography

Author

Bruen, A. A., Hirschfeld, J. W. P., and Wehlau, D. L.

Subjects
Mathematics - Number Theory
Abstract

Some geometry on non-singular cubic curves, mainly over finite fields, is surveyed. Such a curve has 9,3,1 or 0 points of inflexion, and cubic curves are classified accordingly. The group structure and the possible numbers of rational points are also surveyed. A possible strengthening of the security of elliptic curve cryptography is proposed using a `shared secret' related to the group law. Cubic curves are also used in a new way to construct sets of points having various combinatorial and geometric properties that are of particular interest in finite Desarguesian planes., Comment: This is a version of our article to appear in Acta Applicandae Mathematicae. In this version, we have corrected a sentence in the third paragraph. The final publication is available at springerlink.com at http://www.springerlink.com/content/xh85647871215644/

Published
2011
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3. Ovoids, spreads and m-systems of finite classical polar spaces

Author

Hirschfeld, J. W. P., Thas, J. A., Gallagher, Isabelle, Editor-in-chief, Kim, Minhyong, Editor-in-chief, Axler, Sheldon, Series editor, Braverman, Mark, Series editor, Chudnovsky, Maria, Series editor, Guenturk, C. Sinan, Series editor, Pinto, Alberto A, Series editor, Pinzari, Gabriella, Series editor, Ribet, Ken, Series editor, Schilling, René, Series editor, Souganidis, Panagiotis, Series editor, Süli, Endre, Series editor, Hirschfeld, J.W.P, and Thas, J.A.

Published
2016
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4. Arcs and caps

Author

Hirschfeld, J. W. P., Thas, J. A., Gallagher, Isabelle, Editor-in-chief, Kim, Minhyong, Editor-in-chief, Axler, Sheldon, Series editor, Braverman, Mark, Series editor, Chudnovsky, Maria, Series editor, Guenturk, C. Sinan, Series editor, Pinto, Alberto A, Series editor, Pinzari, Gabriella, Series editor, Ribet, Ken, Series editor, Schilling, René, Series editor, Souganidis, Panagiotis, Series editor, Süli, Endre, Series editor, Hirschfeld, J.W.P, and Thas, J.A.

Published
2016
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5. Embedded geometries

Author

Hirschfeld, J. W. P., Thas, J. A., Gallagher, Isabelle, Editor-in-chief, Kim, Minhyong, Editor-in-chief, Axler, Sheldon, Series editor, Braverman, Mark, Series editor, Chudnovsky, Maria, Series editor, Guenturk, C. Sinan, Series editor, Pinto, Alberto A, Series editor, Pinzari, Gabriella, Series editor, Ribet, Ken, Series editor, Schilling, René, Series editor, Souganidis, Panagiotis, Series editor, Süli, Endre, Series editor, Hirschfeld, J.W.P, and Thas, J.A.

Published
2016
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6. Grassmann varieties

Author

Hirschfeld, J. W. P., Thas, J. A., Gallagher, Isabelle, Editor-in-chief, Kim, Minhyong, Editor-in-chief, Axler, Sheldon, Series editor, Braverman, Mark, Series editor, Chudnovsky, Maria, Series editor, Guenturk, C. Sinan, Series editor, Pinto, Alberto A, Series editor, Pinzari, Gabriella, Series editor, Ribet, Ken, Series editor, Schilling, René, Series editor, Souganidis, Panagiotis, Series editor, Süli, Endre, Series editor, Hirschfeld, J.W.P, and Thas, J.A.

Published
2016
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7. Veronese and Segre varieties

Author

Hirschfeld, J. W. P., Thas, J. A., Gallagher, Isabelle, Editor-in-chief, Kim, Minhyong, Editor-in-chief, Axler, Sheldon, Series editor, Braverman, Mark, Series editor, Chudnovsky, Maria, Series editor, Guenturk, C. Sinan, Series editor, Pinto, Alberto A, Series editor, Pinzari, Gabriella, Series editor, Ribet, Ken, Series editor, Schilling, René, Series editor, Souganidis, Panagiotis, Series editor, Süli, Endre, Series editor, Hirschfeld, J.W.P, and Thas, J.A.

Published
2016
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8. Quadrics

Author

Hirschfeld, J. W. P., Thas, J. A., Gallagher, Isabelle, Editor-in-chief, Kim, Minhyong, Editor-in-chief, Axler, Sheldon, Series editor, Braverman, Mark, Series editor, Chudnovsky, Maria, Series editor, Guenturk, C. Sinan, Series editor, Pinto, Alberto A, Series editor, Pinzari, Gabriella, Series editor, Ribet, Ken, Series editor, Schilling, René, Series editor, Souganidis, Panagiotis, Series editor, Süli, Endre, Series editor, Hirschfeld, J.W.P, and Thas, J.A.

Published
2016
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9. Hermitian varieties

Author

Hirschfeld, J. W. P., Thas, J. A., Gallagher, Isabelle, Editor-in-chief, Kim, Minhyong, Editor-in-chief, Axler, Sheldon, Series editor, Braverman, Mark, Series editor, Chudnovsky, Maria, Series editor, Guenturk, C. Sinan, Series editor, Pinto, Alberto A, Series editor, Pinzari, Gabriella, Series editor, Ribet, Ken, Series editor, Schilling, René, Series editor, Souganidis, Panagiotis, Series editor, Süli, Endre, Series editor, Hirschfeld, J.W.P, and Thas, J.A.

Published
2016
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10. On plane maximal curves

Author

Cossidente, A., Hirschfeld, J. W. P., Korchmaros, G., and Torres, F.

Subjects
Mathematics - Algebraic Geometry, PC: 11G20, 11G, 11, SC: 14G15, 14G, 14
Abstract

The genus of a maximal curve over a finite field with r^2 elements is either g_0=r(r-1)/2 or less than or equal to g_1=(r-1)^2/4. Maximal curves with genus g_0 or g_1 have been characterized up to isomorphism. A natural genus to be studied is g_2=(r-1)(r-3)/8, and for this genus there are two non-isomorphism maximal curves known when r \equiv 3 (mod 4). Here, a maximal curve with genus g_2 and a non-singular plane model is characterized as a Fermat curve of degree (r+1)/2., Comment: 18 pages, Latex2e

Published
1998

23. COVID-19: Seroprevalence and Vaccine Responses in UK Dental Care Professionals

Author

Shields, A.M., primary, Faustini, S.E., additional, Kristunas, C.A., additional, Cook, A.M., additional, Backhouse, C., additional, Dunbar, L., additional, Ebanks, D., additional, Emmanuel, B., additional, Crouch, E., additional, Kröger, A., additional, Hirschfeld, J., additional, Sharma, P., additional, Jaffery, R., additional, Nowak, S., additional, Gee, S., additional, Drayson, M.T., additional, Richter, A.G., additional, Dietrich, T., additional, and Chapple, I.L.C., additional

Published
2021
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24. Analysis of body fluid mixtures by mtDNA sequencing: An inter-laboratory study of the GEP-ISFG working group

Author

Montesino, M., Salas, A., Crespillo, M., Albarrán, C., Alonso, A., Álvarez-Iglesias, V., Cano, J.A., Carvalho, M., Corach, D., Cruz, C., Di Lonardo, A., Espinheira, R., Farfán, M.J., Filippini, S., García-Hirschfeld, J., Hernández, A., Lima, G., López-Cubría, C.M., López-Soto, M., Pagano, S., Paredes, M., Pinheiro, M.F., Rodríguez-Monge, A.M., Sala, A., Sóñora, S., Sumita, D.R., Vide, M.C., Whittle, M.R., Zurita, A., and Prieto, L.

Published
2007
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25. Ornithologischer Beitrag zur Fauna Groenlands /

Author

Holbøll, Carl, 1795-1856, Fleischer, Ernst, acti-e 18, Hirschfeld, J. B., Naumann, Friedrich, Paulsen, J. H., Dr, Smithsonian Libraries, Holbøll, Carl, 1795-1856, Fleischer, Ernst, acti-e 18, Hirschfeld, J. B., Naumann, Friedrich, and Paulsen, J. H., Dr

Subjects
Birds, Greenland, Ornithology
Published
1846

32. A complete (48, 4)-arc in the Projective Plane Over the Field of Order Seventeen.

Author

Hamed, Zainab Shehab and Hirschfeld, J. W.

Subjects
PROJECTIVE planes, NUMBER theory, PROJECTIVE spaces
Abstract

Copyright of Baghdad Science Journal is the property of Republic of Iraq Ministry of Higher Education & Scientific Research (MOHESR) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2021
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34. Finite Geometries

Author

Blokhuis, A., Hirschfeld, J. W. P., Jungnickel, D., and Thas, J. A.

Published
2003

38. Reversible and Irreversible Labelling of H1- and H2-Receptors Using Novel [125I]Probes

Author

Ruat, M., primary, Traiffort, E., additional, Bouthenet, M. L., additional, Souil, E., additional, Pollard, H., additional, Moreau, J., additional, Schwartz, J. C., additional, Martinez-Mir, I., additional, Palacios, J. M., additional, Hirschfeld, J., additional, Buschauer, A., additional, Schunack, W., additional, Tertiuk, W., additional, and Ganellin, C. R., additional

Published
1991
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46. Maligne Melanome

Author

Sattel, W., Reichmann, W., Hirschfeld, J., Fiedel, U., Heberer, G., editor, and Hegemann, G., editor

Published
1974
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