The following pages link to Bernard Helffer (Q171249):
Displaying 50 items.
- Relative time-delay for perturbations of elliptic operators and semiclassical asymptotics (Q1340846) (← links)
- Exponential decay of eigenfunctions of Schrödinger operators with magnetic fields (Q1354742) (← links)
- Subprincipal terms in Szegö estimates (Q1357652) (← links)
- Semi-classical analysis for the transfer operator: Formal WKB constructions in large dimension (Q1366987) (← links)
- Proof of the De Gennes formula for the superheating field in the weak \(\kappa\) limit (Q1370897) (← links)
- Spectral theory for periodic Schrödinger operators with reflection symmetries (Q1423651) (← links)
- Magnetic bottles for the Neumann problem: the case of dimension 3 (Q1599741) (← links)
- On Courant's nodal domain property for linear combinations of eigenfunctions. I (Q1617754) (← links)
- The density of superconductivity in domains with corners (Q1667438) (← links)
- Decay of superconductivity away from the magnetic zero set (Q1674615) (← links)
- On the semiclassical analysis of the ground state energy of the Dirichlet Pauli operator in non-simply connected domains (Q1688478) (← links)
- Pleijel's theorem for Schrödinger operators with radial potentials (Q1743734) (← links)
- Hypoelliptic estimates and spectral theory for Fokker-Planck operators and Witten Laplacians (Q1767991) (← links)
- Nodal domain theorems à la Courant (Q1769043) (← links)
- On Laplace integrals and transfer operators in large dimension: Examples in the nonconvex case (Q1816427) (← links)
- Spectral theory for the dihedral group (Q1865763) (← links)
- Upper critical field and location of surface nucleation of superconductivity (Q1868109) (← links)
- Nonlinear eigenvalues and analytic hypoellipticity (Q1876258) (← links)
- Regularization of atomic Schrödinger operators with magnetic field (Q1894823) (← links)
- The semi-classical trace formula and propagation of wave packets (Q1897291) (← links)
- The complex scaling method for scattering by strictly convex obstacles (Q1897587) (← links)
- Control of the Schrödinger equation (Q1900200) (← links)
- Subelliptic estimates of polynomial differential operators and applications to rigidity of abelian actions (Q1901648) (← links)
- A necessary condition for analytic hypoellipticity (Q1901652) (← links)
- On the total bandwidth for the rational Harper's equation (Q1901814) (← links)
- Asymptotic expansion for the density of states of the magnetic Schrödinger operator with a random potential (Q1908063) (← links)
- Weakly parametric pseudodifferential operators and Atiyah-Patodi-Singer boundary problems (Q1911562) (← links)
- Semiclassical analysis for the ground state energy of a Schrödinger operator with magnetic wells (Q1915343) (← links)
- An extension of the Ikehara Tauberian theorem and its application (Q1917174) (← links)
- New channels of scattering for three-body quantum systems with long-range potentials (Q1919636) (← links)
- Spectral analysis of Schrödinger operators with magnetic fields (Q1923700) (← links)
- Asymptotic of the density of states for the Schrödinger operator with periodic electric potential (Q1974791) (← links)
- Courant-sharp Robin eigenvalues for the square: the case with small Robin parameter (Q1987030) (← links)
- Sturm's theorem on zeros of linear combinations of eigenfunctions (Q1987042) (← links)
- On the semiclassical analysis of the ground state energy of the Dirichlet Pauli operator. III: Magnetic fields that change sign (Q2000956) (← links)
- Inequalities for the lowest magnetic Neumann eigenvalue (Q2000963) (← links)
- Improving semigroup bounds with resolvent estimates (Q2039333) (← links)
- Courant-sharp property for Dirichlet eigenfunctions on the Möbius strip (Q2041350) (← links)
- On the stability of laminar flows between plates (Q2043042) (← links)
- Level sets of certain Neumann eigenfunctions under deformation of Lipschitz domains application to the extended Courant property (Q2053311) (← links)
- On the spectral properties of the Bloch-Torrey equation in infinite periodically perforated domains (Q2055110) (← links)
- On the spectrum of some Bloch-Torrey vector operators (Q2136863) (← links)
- Tunneling effect induced by a curved magnetic edge (Q2164188) (← links)
- Non-boundedness of the number of super level domains of eigenfunctions (Q2164773) (← links)
- On pseudo-spectral problems related to a time-dependent model in superconductivity with electric current (Q2275952) (← links)
- Superconductivity between \(H_{C_2}\) and \(H_{C_3}\) (Q2276074) (← links)
- Peierls' substitution for low lying spectral energy windows (Q2301857) (← links)
- Courant-sharp Robin eigenvalues for the square and other planar domains (Q2335815) (← links)
- Accurate semiclassical spectral asymptotics for a two-dimensional magnetic Schrödinger operator (Q2354115) (← links)
- On homogenization and scaling limit of some gradient perturbations of a massless free field (Q2364995) (← links)
