A selection of papers that are not available at the E-print archives:
- Bound state fermion mass formula for supersymmetric
constituent models and
Effective lagrangian and mass generation in
supersymmetric QCD, (scanned pdf) Phys.Lett.B149:361,1984 and Phys.Lett.B153:261,1985 . - Pseudosymmetry currents and PCAC in supersymmetric Goldstone
theories, Nucl.Phys.B246:475,1984 (scanned pdf).
- Ten-dimensional Heterotic Strings from Niemeier
Lattices, Phys.Lett.B181:71,1986 (scanned pdf).
- Chiral four- dimensional heterotic strings from
selfdual lattices, Nucl.Phys.B287:477,1987 (scanned pdf), ... the first paper which pointed out that there exists an exponentially large number
of chiral 4-dim string vacua
- Lattices and Strings (9MB), major review on our lattice construction of 4d strings, Physics Reports 177, 1989.
- Heterotic string loop calculation of the anomaly
cancelling term, Nucl.Phys.B289:609,1987 (scanned pdf).
- Anomaly cancelling terms from the elliptic genus,
Nucl.Phys.B299:91,1988 (scanned pdf).
- Index theorems in N=2 superconformal theories,
Phys.Lett.B205:471,1988 (scanned pdf) ... first paper on the N=2 superconformal index, or elliptic genus.
- Elliptic index and superstring effective actions,
Nucl.Phys.B308:102,1988 (scanned pdf)
- On nonrenormalization theorems for four-dimensional
superstrings, Phys.Lett.B227:373,1989 (pdf scanned).
- Chiral Rings in N=2 Superconformal Theories,
HUTP-88/A065, Nucl.Phys.B324:427,1989., missing tables
(scanned) ...the first paper where "mirror symmetry" between Calabi-Yau manifolds
was conjectured.
- Duality Symmetries in N=2 Landau-Ginzburg Models,
CERN-TH-5504/89, CALT 68-1575, Phys.Lett.B231:417,1989.
- Topological W-algebra theories, CALT-68-1550, Phys.Lett.B252:349-356,1990.
- N=2 Integrable LG Models, CALT-68-1631, Nucl.Phys.B348:66-88,1991.
- Soliton Polytopes, Nucl.Phys.B358:571-599,1991,
CALT-68-1703.
This E7 polytope shows solitons in a certain integrable LG model.
- Review on Soliton Polytopes CALT-68-1747,
1991.
- Differential equations for periods and flat coordinates in two-dimensional topological matter theories
... the first paper on Picard-Fuchs equations in the physics literature.
- Review on Special Geometry and Picard
Fuchs equations, CERN-TH.7055/93.
Some old lectures and reviews:
Neuere Entwicklungen in der String-Theorie, elementary
overview for general audience at Nordrhein-Westf. Akademie der Wissenschaften
(in german; for a written-up english version, see papers above).
Review on Seiberg-Witten Theory, CERN-TH/95-303
(superseded by hep-th/9611190).
Review on Recent developments in String Theory,
extended version of hep-th/9710246,
introduction for non-experts.
An overview of String theory (introduction for non-experts, Istanbul 2011, 2MB.
Lecture for CERN summer students 2016: "What is String Theory?"; Slides; video recording
Brief review (in german) for the public on Matrix factorizations at the Imaginary Open Mathematics site.
A few old research talks:
- Topolog W-gravity from LG Models, Minerva 1994
- Self-Dual Strings and N=2 Supersymmetric Yangs-Mills Theory, CERN
1996
- Introduction to Seiberg-Witten Theory and its Stringy
Origin, Lecture in La Plata, Argentina 1997
- Local Mirror Symmetry and Rigid Limits of N=2 String
Theories, La Plata 1997
- Open-Closed
String Mirror Symmetry, talk at Strings 98
- Stringy Geometry and non-perturbative D-brane physics,
review seminar for non-experts, CERN 12/2003, 1.7MB .pdf.
- Superpotentials, A_infinity relations and WDVV equations
for open topological strings,
talk at ICMS Edinburgh meeting
on derived categoeries, quivers and strings, 2004. Transparencies adapted
from a talk by Manfred Herbst.
- Quantum Geometry of D-branes, overview for non-experts,
Vienna11/2004, 2.1MB .pdf.
- N=1 mirror symmetry
(lectures given at the 2003 ICTP Trieste Spring School on Superstrings, ca
2MB .pdf each):
- Part 1 (Review of N=2 mirror symmetry)
- Part 2 (Putting fluxes and D-branes on Calabi-Yau's)
- Part 3 (Exact superpotentials from N=1 mirror
symmetry)
- Matrix factorizations and mirror symmetry:
- D-branes and Landau-Ginzburg models (1.4MB), LMU Munich
05/2005, CERN 05/2005, Paris 06/2005, at the KITP Santa Barbara workshop "Mathematical
Structures in String Theory" 08/2005, and at ZMP Hamburg 12/05.
- Open string TFT on the elliptic curve (2.6MB pdf), talk
given at ASC workshop Munich Apil 2006.
- Matrix factorizations and D-branes, Part1, Part2 (2MB .pdf each), lectures
at Cargese Summer School 2006.
- Matrix Factorizations and Homological Mirror Symmetry (5MB .pdf), talks given at KITP Santa Barbara, USA; IPMU Tokyo, Japan; Sogang, Korea; TSIMF Sanya, China, 2012-2019.
- Matrix Factorizations and Homological Mirror Symmetry (6MB .pdf),
in "Non-perturbative quantum geometry, resurgence and BPS structures" at the Institut Mittag-Leffler, Sweden, 2022; video recording
More recent talks:
- Mathematical aspects related to Weak Gravity Conjectures:
- Fluxes, Holomorphic Anomalies and Elliptic Genera in Four Dimensions (2MB .pdf),
Zoom talks given at Chennai, India, BIMSA China and Paris, 2021; Zoom recording
- The Emergent String Conjecture, brief review to appear in
the proceedings of Frontiers of Science Awards 2024, International Congress of Basic Science (ICBS) in Beijing, China.
- Gromov-Witten/Hilbert and AdS/CFT Correspondences (1.5MB .pdf),
Talk given at U Heidelberg and at IBS, Daejeon, Korea 2023, at Strings and Geometry 2024 in Hamburg, and at Tshinghua University, Beijing 2025: Video
- String Theory 1980-2000, review talk given at the 4th International Symposium on the History of Particle Physics at CERN, November 2025.
