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- Paul Seidel, Ivan Smith
- 2004

1 Introduction From its first introduction in [14], the Jones polynomial has played a decisive role in knot theory. This invariant κ → V κ associates to an oriented link κ ⊂ S 3 a Laurent polynomial in t 1/2. It is completely characterised by V unknot = 1 and a relation obtained from the Kauffman bracket calculus, which allows one to successively reduce the… (More)

We present a new proof of a result due to Taubes: if (X, ω) is a closed symplectic four-manifold with b+(X) > 1 + b1(X) and λ[ω] ∈ H 2 (X; Q) for some λ ∈ R + , then the Poincaré dual of KX may be represented by an embedded symplectic submanifold. The result builds on the existence of Lefschetz pencils on symplectic four-manifolds. We approach the… (More)

- Ivan Smith, IVAN SMITH
- 2001

We give a simple construction yielding homology classes in (non-simply-connected) symplectic four-manifolds which admit infinitely many pairwise non-isotopic symplectic representatives. Examples are constructed in which the symplectic curves can have arbitrarily large genus. The examples are built from surface bundles over surfaces and involve only… (More)

T T T T T T T T T T T T T T T Abstract Integral symplectic 4–manifolds may be described in terms of Lefschetz fibra-tions. In this note we give a formula for the signature of any Lefschetz fibration in terms of the second cohomology of the moduli space of stable curves. As a consequence we see that the sphere in moduli space defined by any (not necessarily… (More)

- KENJI FUKAYA, IVAN SMITH
- 2008

We describe various approaches to understanding Fukaya categories of cotangent bundles. All of the approaches rely on introducing a suitable class of noncompact Lagrangian submanifolds. We review the work of Nadler-Zaslow [28, 27] and the authors [14], before discussing a new approach using family Floer cohomology [10] and the " wrapped Fukaya category ".… (More)

- S Schreier-Muccillo, D Marsh, I C Smith
- Archives of biochemistry and biophysics
- 1976

- A C Kuesel, G R Sutherland, W Halliday, I C Smith
- NMR in biomedicine
- 1994

Sixty-four samples from six grade 4 astrocytomas were investigated ex vivo by 1H MRS at 360 MHz and subsequently by histopathology to obtain percentages of viable and necrotic tumour and grey and white matter. MR-visible lipids were detected in 87% of tumour samples. Necrotic foci were < 3 x 3 x 6 mm3. The means of the intensities/unit weight tissue of the… (More)

- H J Jennings, A K Bhattacharjee, D R Bundle, C P Kenny, A Martin, I C Smith
- The Journal of infectious diseases
- 1977

The application of 13C-nuclear magnetic resonance spectroscopy to the structural determination of the capsular polysaccharide antigens of Neisseria meningitidis is described. Complete assignments of the spectra of the polysaccharides of serogroups A, B, C, W-135, X and Y were made and were based mainly on previous assignments made for the monomer units of… (More)

- E C Kelusky, Y Boulanger, S Schreier, I C Smith
- Biochimica et biophysica acta
- 1986

The interaction of the local anesthetic tetracaine with phosphatidylserine-containing model membranes has been studied by 2H-NMR. Charged tetracaine exhibited an unusually large partition coefficient into multilamellar dispersions of phosphatidylserine. The 2H-NMR spectra consisted of a Pake doublet and a narrow line, with the former corresponding to… (More)

- M Auger, H C Jarrell, I C Smith
- Biochemistry
- 1988

The interactions of the local anesthetic tetracaine with multilamellar dispersions of 1,2-dimyristoyl-sn-glycero-3-phosphocholine (DMPC) and cholesterol have been investigated by deuterium nuclear magnetic resonance of specifically deuteriated tetracaines, DMPC and cholesterol. Experiments were performed at pH 5.5, when the anesthetic is primarily charged,… (More)