2025-02-23T12:43:51-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: Query fl=%2A&wt=json&json.nl=arrarr&q=id%3A%22irk-123456789-119397%22&qt=morelikethis&rows=5
2025-02-23T12:43:51-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: => GET http://localhost:8983/solr/biblio/select?fl=%2A&wt=json&json.nl=arrarr&q=id%3A%22irk-123456789-119397%22&qt=morelikethis&rows=5
2025-02-23T12:43:51-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: <= 200 OK
2025-02-23T12:43:51-05:00 DEBUG: Deserialized SOLR response
Gravitational lens equation: critical solutions and magnification near folds and cusps
We study approximate solutions of the gravitational lens equation and corresponding lens magnification factor near the critical point. This consideration is based on the Taylor expansion of the lens potential in powers of coordinates and an introduction of a proximity parameter characterising the cl...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Головна астрономічна обсерваторія НАН України
2012
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| Series: | Advances in Astronomy and Space Physics |
| Online Access: | http://dspace.nbuv.gov.ua/handle/123456789/119397 |
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