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Department of Mathematics


Dr Adam Ostaszewski

Welcome to my LSE home page.

Professor of Mathematics
Mathematics Department and CDAM: Computational, Discrete and Applicable Mathematics@LSE
Address:
Room B406
Mathematics Department
London School of Economics and Political Science
Houghton Street
London WC2A 2AE
    

Email: a.j.ostaszewski@lse.ac.uk 

Telephone: (+44) 020 7955 7656

Fax: (+44) 020 7955 6877

Research interests:

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1. Current research interests in Applications of Mathematics: Mathematical finance with a particular focus on strategic analysis of options and accounting theory. Corporate Disclosure. Bargaining Theory.
Click below for pdf files of some of my recent papers, concerning the fundamental value of a firm, and on Bargaining Theory:
1 PDF icon An Alternative to the Feltham-Ohlson Valuation Framework: Using q-Theoretic Income to Predict Firm Value (with M Gietzmann)

Journal version: Accounting & Business Research, 2004 (34 No. 4) 349-377

PDF icon Accompanying diagrams
2 PDF icon Statics and asymptotics of a price control limit: an optimal timing inventory problem (with R O Davies)
3 PDF icon ‘Equity smirks’ and embedded options: the shape of a firm’s value function 

Journal version in: Accounting & Business Research, 2004 (34 No. 4) 301-331

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PDF icon Endogenous Irreversibility With Finite Horizon Investment When Resale Is Possible (with M Gietzmann)

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PDF icon Dividend Policy Irrelevance: Ohlson's Uniqueness Principle in several variables

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PDF icon Returns to costly pre-bargaining claims : Taking a principled stand

Journal version in: Journal of Economic Studies, Volume 33 Issue 2 (2005).

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PDF icon Value Creation with Dye's Disclosure Option: Optimal Risk-Shielding with an Upper Tailed Disclosure Strategy (with M.B. Gietzmann)

Journal version in: Review of Quantitative Finance and Accounting. See Online First™

PDF icon http://www.springerlink.com/content/c541384437v40165/fulltext.pdf

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PDF icon Using Voluntary Disclosure Intensity to Infer the Precision of Management's Vision (with M.B. Gietzmann)

PDF icon My Seminar Slides
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PDF icon Dividend Policy Irrelevancy and the Construct of Earnings

(with J. A. Ohlson and Zhan Gao)

Journal of Business Finance & Accounting, On Line First.

10

PDF icon Multi-firm voluntary disclosures for correlated operations (with M.B. Gietzmann)

Annals of Finance, On Line First.

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PDF icon Why managers with low forecast precision select high disclosure intensity: an equilibrium analysis (with M.B. Gietzmann)

Review of Quantitative Finance and Accounting, On Line First.

2. Current research interests in Pure Mathematics: Automatic Continuity and the foundations of Regular Variation. General Topology (dimension theory).
Click below for pdf files of recent papers on Regular Variation with Nick Bingham. The most recent seminar overview of these from a year ago (dated: 1st Nov. 2007) is provided here by Nick. This covers papers 1-11 and takes no account of later revisions to all papers.
PDF icon Seminar Slides by N.H. Bingham
PDF icon My Seminar Slides
1 PDF icon Generic subadditive functions (with N H Bingham)
Proc. Amer. Math. Soc. 136 (2008), 4257-4266.
2 PDF icon Infinite combinatorics and foundations of regular variation (with N H Bingham)
Journal of Mathematical Analysis and Applications, 360 (2009), 518-529.
3 PDF icon Very Slowly Varying Functions -- II (with N H Bingham)
Colloquium Mathematicum 116 (2009), 105-117.
4 PDF icon Beyond Lebesgue and Baire: generic regular variation (with N H Bingham)
Colloquium Mathematicum, 116 (2009), 119-138.
5 PDF icon New automatic properties: subadditivity, convexity, uniformity (with N H Bingham)
Aequationes Mathematicae, 78 (2009) 257-270.
6 PDF icon Infinite combinatorics in function spaces (with N H Bingham)
Publ.Inst. Math. Beograde, 86 (100) (2009), 55-73.
7 PDF icon The index theorem of topological regular variation and its applications (with N H Bingham)
Journal of Mathematical Analysis and Applications, 358 (2009), 238-248.
8 PDF icon Regular variation without limits (with N H Bingham)
Journal of Mathematical Analysis and Applications, 370 (2010), 322-338.
9 PDF icon Regular variation, topological dynamics, and the Uniform Boundedness Theorem
Topology Proceedings, 36 (2010), 305-336.
10 PDF icon Automatic continuity by analytic thinning (with N H Bingham)
Proc. Amer. Math. Soc. 138 (2010), 907-919.
11 PDF icon Topological regular variation: I slow-variation (with N H Bingham)
Topology and its applications, 157 (2010), 1999-2013.
12 PDF icon Topological regular variation: II the fundamental theorems (with N H Bingham)
Topology and its applications, 157 (2010), 2014-2023.
13 PDF icon Topological regular variation: III regular variation (with N H Bingham)
Topology and its applications, 157 (2010), 2024-2037.
14 PDF icon Kingman, category and combinatorics (with N H Bingham)
J.F.C. Kingman Festschrift, ed. N.H. Bingham and C.M. Goldie), LMS Lecture Notes Series 378, 2010.
15 PDF icon Normed versus topological groups: dichotomy and duality (with N H Bingham)
Dissertationes Math. 472 (2010), 138pp.
16 PDF icon Beyond Lebesgue and Baire II: Bitopology and measure-category duality (with N H Bingham)
Colloquium Math. 121 (2010), 225-238.
17 PDF icon Dichotomy and infinite combinatorics: the theorems of Steinhaus and Ostrowski (with N H Bingham)
Math. Proc. Camb. Phil. Soc., 150 (2011), 1-22.
18 PDF icon Homotopy and the Kestelman-Borwein-Ditor Theorem (with N H Bingham)
Canadian Math. Bull. 54.1 (2011), 12-20.
19 PDF icon Analytically heavy topologies: Analytic Cantor and Analytic Baire theorems
Topology & its applications, 158 (2011), 253-275.
20 PDF icon Group action and shift-compactness (with Harry I. Miller)
Journal of Mathematical Analysis and Applications, 392 (2012), 23-39.
21 PDF icon Analytic Baire spaces
Fundamenta Mathematicae, 217 (2012), 189-210.
22 PDF icon Almost completeness and the Effros Theorem in normed groups
Topology Proceedings, 41 (2013), 99-110.
23 PDF icon Shift-compactness in almost analytic submetrizable Baire groups and spaces", invited survey article
Topology Proceedings, 41 (2013), 123-151.
24 PDF icon Beyond Lebesgue and Baire III: Steinhaus' Theorem and its descendants
Topology & its applications, 160 (2013), 1144-1154.
25 PDF icon The Semi-Polish Theorem: One-sided vs joint continuity in groups
Topology & its applications, 160 (2013), 1155-1163.
26 PDF icon The Steinhaus theorem and regular variation : De Bruijn and after (with N H Bingham)
Indagationes Math., On Line First.
27 PDF icon Uniformity and self-neglecting functions (with N H Bingham)
28 PDF icon Uniformity and self-neglecting functions: II. Beurling regular variation and the class Gamma (with N H Bingham)
29 PDF icon Beurling regular equivariation, Bloom dichotomy and the Gołąb-Schinzel functional equation
For further information including past research interests, please see my entry in LSE Experts

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Last change: 20th June 2013