Stable Soliton Resolution for Wave Maps on a Curved Spacetime /
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| Author / Creator: | Rodriguez, Casey Paul, author. |
|---|---|
| Imprint: | 2017. Ann Arbor : ProQuest Dissertations & Theses, 2017 |
| Description: | 1 electronic resource (230 pages) |
| Language: | English |
| Format: | E-Resource Dissertations |
| Local Note: | School code: 0330 |
| URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/11715063 |
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| 100 | 1 | |a Rodriguez, Casey Paul, |e author. | |
| 245 | 1 | 0 | |a Stable Soliton Resolution for Wave Maps on a Curved Spacetime / |c Casey Paul Rodriguez. |
| 260 | |c 2017. | ||
| 264 | 1 | |a Ann Arbor : |b ProQuest Dissertations & Theses, |c 2017 | |
| 300 | |a 1 electronic resource (230 pages) | ||
| 336 | |a text |b txt |2 rdacontent |0 http://id.loc.gov/vocabulary/contentTypes/txt | ||
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| 500 | |a Advisors: Carlos Kenig. | ||
| 502 | |b Ph.D. |c University of Chicago, Division of the Physical Sciences, Department of Mathematics |d 2017. | ||
| 510 | 4 | |a Dissertation Abstracts International, |c Volume: 78-12(E), Section: B. | |
| 520 | |a In this thesis we study finite energy equivariant wave maps posed on the (1+3)--dimensional spherically symmetric static spacetime R × (R × S²) → S³ where the metric on R × (R × S²) is given by ds² = -dt² + dr² + (r² + 1) (dΘ² + sin²Θdϕ²), t,r ∈ R, (Θ,ϕ) ∈ S². The metric is asymptotically flat with two ends at r = ±∞ which are connected by a spherical "throat" of area 4π² at r = 0. The above spacetime is often cited as a simple example of a wormhole geometry in general relativity but is not expected to exist in nature due to the negative energy density required to obtain it. | ||
| 520 | |a We consider equivariant wave maps from the previously described spacetime into the 3-sphere, S³. Each equivariant wave map can be indexed by its equivariance class l ∈ N and topological degree n ∈ N ∪ {0}. For each l and n, we prove that there exists a unique energy minimizing l-equivariant harmonic map Ql,n : R × (R × S²) → S³ of degree n. Based on mixed numerical and analytic evidence, Bizon and Kahl conjectured that all equivariant wave maps settle down to the harmonic map in the same equivariance and degree class by radiating off excess energy. In this thesis, we prove this conjecture rigorously and establish stable soliton resolution for this model; first for l = 1 (corotational maps) in Chapter 2, and then for general l > 1 in Chapter 3. More precisely, we show that modulo a free radiation term, every l-equivariant wave map of degree n converges strongly to Ql,n . | ||
| 546 | |a English | ||
| 590 | |a School code: 0330 | ||
| 690 | |a Mathematics. | ||
| 710 | 2 | |a University of Chicago. |e degree granting institution. |0 http://id.loc.gov/authorities/names/n79058404 |1 http://viaf.org/viaf/143657677 | |
| 720 | 1 | |a Carlos Kenig |e degree supervisor. | |
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