P. Arroyo, R. D. Benguria, E. Collados, and J. Tohá, Low
Self-Complementarity of Cytochrom-C Messenger RNA, a Structural
and Functional Restriction at the Molecular Level, J. of Theoretical
Biology 54, 153-166 (1975).
R. D. Benguria, Electrodynamics and the Equations of Motion of
Charged Particles with Spin, Phys. Rev. D13, 274-278 (1976).
R. D. Benguria, P. Cordero, and C. Teitelboim, Aspects of Hamiltonian
Dynamics of Interacting Gravitational Gauge and Higgs Fields with Applications
to Spherical Symmetry, Nuclear Physics B122, 61-99 (1977).
R. D. Benguria and E. H. Lieb, Many-Body Atomic Potentials in Thomas-Fermi
Theory, Annals of Physics 110, 34-45 (1978).
R. D. Benguria and E. H. Lieb, The Positivity of the Pressure in Thomas-Fermi
Theory, Commun. Math. Phys. 63, 193-218 (1978); Erratum,
Commun. Math. Phys. 63, 193-218 (1978).
R. D. Benguria and K. M. Case, Backlund Transformations for Multi-dimensional
Sine-Gordon Equations, Proc. Natl. Acad. Sci. (USA) 77, 4393-4394
(1980).
D. Levi and R. D. Benguria, Backlund Transformations and Nonlinear Differential-Difference
Equations, Proc. Natl. Acad. Sci. (USA) 77, 5025-5027 (1980).
R. D. Benguria and M. Kac, On the Quantum Langevin Equation, Phys.
Rev. Lett. 46, 1-4 (1981).
R. D. Benguria, H. Brezis, and E. H. Lieb, The Thomas-Fermi-von Weizsäcker
Theory of Atoms and Molecules, Commun. Math. Phys. 79, 167-180
(1981).
R. D. Benguria, Dependence of the Thomas-Fermi Energy on the Nuclear
Coordinates, Commun. Math. Phys. 81, 419-428 (1981).
R. D. Benguria and M. C. Depassier, Upper and Lower Bounds for Eigenvalues
of Nonlinear Elliptic Equations. I. The Lowest Eigenvalue, J. Math.
Phys. 24, 501-503 (1983).
R. D. Benguria and E. H. Lieb, Proof of the Stability of Highly Negative
Ions in the Absence of the Pauli Principle, Phys. Rev. Lett. 50,
1771-1774 (1983).
R. D. Benguria and E. H. Lieb, The Most Negative Ion in the Thomas-Fermi-von
Weizsäcker Theory of Atoms and Molecules, J. Phys. B: At. Mol.
Phys. 18, 1041-1059 (1985).
R. D. Benguria, A Note on the Gap Between the first two Eigenvalues
for the Schrödinger Operator, J. Phys. A: Math. & Gen. 19,
477-478 (1986).
R. D. Benguria and L. Jeanneret, Existence and Uniqueness of Positive
Solutions of Semilinear Elliptic Equations with Coulomb Potentials on ,
Commun. Math. Phys. 104, 291-306 (1986).
M. S. Ashbaugh and R .D. Benguria, Best Constant for the Ratio of the
First Two Eigenvalues of One-Dimensional Schrödinger Operators with
Positive Potentials, Proc. Amer. Math. Soc. 99, 598-599 (1987).
R. D. Benguria and M. C. Depassier, Oscillatory Instabilities in the
Rayleigh-Bénard Problem with a Free Surface, Phys. Fluids 30,
1678-1682 (1987).
M. S. Ashbaugh and R. D. Benguria, On the Ratio of the First Two Eigenvalues
of Schrödinger Operators with Positive Potentials in Differential
Equations and Mathematical Physics, Proceedings of an International Conference
held in Birmingham, Alabama, USA, March 3-8, 1986, Lecture Notes in
Mathematics, 1285 (I.W. Knowles Y. Saito, Eds.) pp. 16-25, Springer-Verlag
(Berlin) 1987.
M. S. Ashbaugh and R. D. Benguria, Log-Concavity of the Ground State
of Schrödinger Operators: A New Proof of the Baumgartner, Grosse,
Martin Inequality, Phys. Lett. A 131, 273-276 (1988).
M. S. Ashbaugh and R. D. Benguria, Optimal Lower Bounds for Eigenvalue
Gaps for Schrödinger Operators with Symmetric Single-Well Potentials
and Related Results in Maximum Principles and Eigenvalue Problems
in Partial Differential Equations, Pitman Research Notes in Mathematical
Series 175 (P. Schaefer, Ed.) pp. 134-145, Longman Sci. Tech. (Harlow)
1988.
M. S. Ashbaugh and R. D. Benguria, Optimal Lower Bound for the Gap Between
the First Two Eigenvalues of One-Dimensional Schrödinger operators
with Symmetric Single-Well Potentials, Proc. Amer. Math. Soc. 105,
419-424 (1989).
R. D. Benguria and M. C. Depassier, On the linear stability theory of
Bénard-Marangoni convection, Phys. Fluids A1, 1123-1127
(1989).
M. S. Ashbaugh and R. D. Benguria, Optimal Bounds for Ratios of Eigenvalues
of One-Dimensional Schrödinger Operators with Dirichlet Boundary Conditions
and Positive Potentials, Commun. Math. Phys. 124, 403-415 (1989).
R. D. Benguria and M. C. Depassier, Equations of the Korteweg-de Vries
type with nontrivial conserved quantities, J. Phys. A: Math. &
Gen. 22, 4135-4142 (1989).
R. D. Benguria and M. C. Depassier, Oscillatory Instabilities in Bénard
Marangoni Convection in a Fluid Bounded Above by a Free Surface in
Instabilities
and Nonlinear Structures. II. Dynamical Systems and Instabilities Mathematics
and Its Applications 50 (E. Tirapegui and D. Villaroel, Eds.) pp.
221-225 , Kluwer Ac. Pub. (Dordrecht) 1989.
R. D. Benguria and C. Yarur, Symmetry Properties of the solutions to
Thomas-Fermi-von Weizsäcker type equations, Trans. Amer. Math.
Soc. 320, 665-675 (1990).
M. S. Ashbaugh, and R. D. Benguria, Some Eigenvalue Inequalities for
a Class of Jacobi Matrices, Linear Algebra and its Applications 136,
215-234 (1990); Addendum, Linear Algebra and its Applications 149,
277 (1991).
R. D. Benguria and C. Yarur, Sharp condition on the decay of the potential
for the absence of a zero energy ground state of the Schrödinger equation,
J. Phys. A: Math. & Gen. 23, 1513-1518 (1990).
M. S. Ashbaugh, R. D. Benguria, and C. Yarur, Properties of the positive
solution of a generalized Thomas-Fermi-von Weizsäcker equation,
Duke Math. Journal 63, 199-215 (1991).
M. S. Ashbaugh and R. D. Benguria, Proof of the Payne-Pólya-Weinberger
Conjecture, Bull. Amer. Math. Soc. 25, 19-29 (1991).
M. S. Ashbaugh and R .D. Benguria, Isoperimetric Bound for
for the Membrane Problem, Duke Math.Journal 63, 333-341 (1991).
M. S. Ashbaugh and R. D. Benguria, A Sharp Bound for the Ratio of the
First Two Eigenvalues of Dirichlet Laplacians and Extensions, Annals
of Mathematics 135, 601-628 (1992).
R. D. Benguria and M. C. Depassier, Three mode truncation of a model
equation for systems with long wave oscillatory instability, Phys.
Rev. A45, 5566-5571 (1992).
M. S. Ashbaugh and R. D. Benguria, A Second Proof of the Payne-Pólya-Weinberger
Conjecture, Commun. Math. Phys. 147, 181-190 (1992).
R. D. Benguria, S. Hoops, and H. Siedentop, Bounds on the excess charge
and the ionization energy for the Hellmann-Weizsäcker model, Ann.
Inst. Henri Poincaré 57, 47-65 (1992).
C. M. Alfaro, R. D. Benguria, and M. C. Depassier, Finite Mode Analysis
of the Kuramoto-Sivashinsky Equation Modified by Dispersion, Physica
D61,
1-5 (1992).
M. S. Ashbaugh and R. D. Benguria, Eigenvalue Ratios for Sturm-Liouville
Operators, Journal of Differential Equations 103, 205-219 (1993).
M. S. Ashbaugh and R. D. Benguria, Universal Bounds for the Low Eigenvalues
of Neumann Laplacians in
Dimensions, SIAM J. Math. Anal. 24, 557-570 (1993).
M. S. Ashbaugh and R.D. Benguria, More Bounds on Eigenvalue Ratios for
Dirichlet Laplacians in
Dimensions, SIAM J. Math. Anal. 24, 1622-1651 (1993).
M. S. Ashbaugh and R. D. Benguria , Isoperimetric Bounds for Higher
Eigenvalue Ratios for the N-dimensional Fixed Membrane Problem, Proceedings
of The Royal Society of Edinburgh 123A, 977-985 (1993).
C. M. Alfaro, R. D. Benguria, and M. C. Depassier, The Role of Dispersion
in the Generalized Kuramoto-Sivashinsky Equation, in Instabilities
and Nonlinear Structures. IV Mathematics and Its Applications 267
(E. Tirapegui and W. Zeller, Eds.) pp. 281-287 , Kluwer Ac. Pub. (Dordrecht)
1993.
R. D. Benguria and M. C. Depassier, On the existence of monotonic fronts
for a class of physical problems described by the equation ,
J. Phys. A: Math. & Gen. 27, 1339-1344 (1994).
M. S. Ashbaugh and R. D. Benguria, Bounds for Ratios of Eigenvalues
of the Dirichlet Laplacian, Proc. Amer. Math. Soc. 121, 145-150
(1994).
R. D. Benguria, S. Lorca, and C. Yarur, Nonexistence Results for Solutions
of Semilinear Elliptic Equations, Duke Math. Journal, 74, 615-634
(1994).
M. S. Ashbaugh and R.D. Benguria, Isoperimetric Inequalities for Eigenvalue
Ratios in Proc. Int. Conference ``Equazioni e derivate di tipo ellittico''
in Cortona, Italy, 1992. (A. Alvino, E. Fabes, G. Talenti, editors) pp.
1-33, Cambridge University Press, Cambridge, UK, 1994.
M. S. Ashbaugh and R. D. Benguria, The Range of Values of
and
for the Fixed Membrane Problem, Reviews in Mathematical Physics, 6,
999-1009 (1994). Reprinted in The State of Matter: a volume dedicated
to E. H. Lieb, Michael Aizenman and Huzihiro Araki (Eds.), pp. 167-182,
Advances Series in Mathematical Physics 20, World Scientific, Singapore,
1994.
R. D. Benguria and M. C. Depassier, On the validity of the linear speed
selection mechanism for fronts of the nonlinear diffusion equation,
Phys. Rev. Lett. 73, 2272-2274 (1994).
R. D. Benguria and M. C. Depassier, Exact fronts for the nonlinear diffusion
equation with quintic nonlinearities, Phys. Rev. E. 50, 3701-3704
(1994).
M.S. Ashbaugh and R.D. Benguria, ¿ Se puede escuchar la
forma de un tambor ?, Gaceta de la Sociedad Matemática de Chile,
, 7-20 (1994).
R.D. Benguria, Sobre la solución de ecuaciones algebraicas, Revista
del Profesor de Matemáticas, 1, 74-82 (1994).
M. S. Ashbaugh and R. D. Benguria, On Rayleigh's Conjecture for the
Clamped Plate and its Generalization to Three Dimensions, Duke Math.
Journal 78, 1-17 (1995).
M. S. Ashbaugh and R. D. Benguria, Sharp Upper Bound to the First Nonzero
Neumann Eigenvalue for Bounded Domains in Spaces of Constant Curvature,
Journal of the London Mathematical Society (2) 52, 402-416 (1995).
H. Alarcón and R. D. Benguria, A Lower Bound on the Size of Molecules,
Letters in Mathematical Physics 35, 281-289 (1995).
M.S. Ashbaugh, and R.D. Benguria, On Rayleigh's Conjecture for the Clamped
Plate and its Generalization to Three Dimensions in Differential
Equations and Mathematical Physics, Proceedings of the International Conference,
Univ. Alabama at Birmingham, March 13-17, 1994, Ian W. Knowles, ed.,
pp. 17-27, International Press, Cambridge, Mass. 1995.
R. D. Benguria, and M. C. Depassier, Monotonic Fronts in Phase Space,
in Differential Equations and Mathematical Physics, Proceedings of the
International Conference, Univ. Alabama at Birmingham, March 13-17, 1994,
Ian W. Knowles, ed., pp. 28-36, International Press, Cambridge, Mass. 1995.
R. D. Benguria and M. C. Depassier, A Variational Principle for the
Asymptotic Speed of Fronts of the Density Dependent Diffusion-Reaction
Equation, Phys. Rev. E 52, 3285-3287 (1995).
R. D. Benguria, J. Cisternas, and M. C. Depassier, Variational Calculations
for Thermal Combustion Waves, Phys. Rev. E 52, 4410-4413 (1995).
R. D. Benguria, and M. C. Depassier, Variational Characterization of
the Speed of Propagation of Fronts for the Nonlinear Diffusion Equation,
Commun. Math. Phys, 175, 221-227 (1996).
M. S. Ashbaugh and R. D. Benguria, Bounds for Ratios of the First, Second,
and Third Membrane Eigenvalues, in Nonlinear Problems in Applied
Mathematics, in honor of Ivar Stakgold on his 70th birthday, Eds. T.S.
Angell, L. Pamela Cook, R.E. Kleinman y W.E. Olmstead, SIAM, Philadelphia,
pp. 30-42, 1996.
R. D. Benguria and M. C. Depassier, Speed of fronts of the reaction-diffusion
equation, Phys. Rev. Lett. 77, 1171-1173 (1996).
R. D. Benguria and M. C. Depassier, A variational principle for eigenvalue
problems of Hamiltonian systems, Phys. Rev. Lett. 77, 2847-2850
(1996).
R. D. Benguria and M. C. Depassier, Monotonic Fronts of the Reaction-Diffusion
Equation in One Space Dimension, in Instabilities and Nonequilibrium
Structures V, Eds. E. Tirapegui and W. Zeller, Kluwer Academic Publishers,
Dordrecht, pp. 105-110, 1996.
R. D. Benguria and M.C. Depassier, Book, Problemas Resueltos de Mecánica
Clásica, Ediciones Universidad Católica de Chile, Santiago
de Chile, 1996. ISBN 956-14-0403-6. (Segunda Edición, publicada
por Alfaomega Grupo Editor, México, D.F., 1999. ISBN 970-15-0426-7.)
M. S. Ashbaugh, R. D. Benguria, and R. S. Laugesen, Inequalities for
the first eigenvalues of the clamped plate and buckling problems ,
in General Inequalities 7, C. Bandle, W. N. Everitt, L. Losonczi,
and W. Walter (Eds.), International Series of Numerical Mathematics, 123,
Birkhäuser Verlag, Basel, pp. 95-110 (1997).
M. S. Ashbaugh and R. D. Benguria, On the Payne-Pólya-Weinberger
conjecture on the -dimensional
sphere, in General Inequalities 7,C. Bandle, W. N. Everitt,
L. Losonczi, and W. Walter (Eds.), International Series of Numerical Mathematics,
123,
Birkhäuser Verlag, Basel, pp. 111-128 (1997).
R. D. Benguria and J. M. Yáñez, Variational Principle
for the Chemical Potential in the Thomas-Fermi Model, Journal of Physics
A: Math. & Gen. 31, 585-593 (1998).
R. D. Benguria and M. C. Depassier, Phase Space Derivation of a Variational
Principle for One-dimensional Hamiltonian Systems, Physics Letters
A 240, 144-146 (1998).
R. D. Benguria and M. C.Depassier, Speed of fronts of generalized reaction-diffusion
equations, Physical Review E 57, 6493-6496 (1998).
R. D. Benguria and M. C. Depassier, A Variational Method for Nonlinear
Eigenvalue Problems, in Advances in Differential Equations and Mathematical
Physics, Eric Carlen, Evans Harrell, and Michael Loss, Eds., Amer.
Math. Soc., Contemporary Mathematics, 217 (1998) 1-17.
R. D. Benguria, M. C. Depassier, and M. Favre, Book, Problemas Resueltos
de Electricidad y Magnetismo, Ediciones, Universidad Católica de
Chile, Santiago de Chile, 1998. ISBN 956-14-0514-8.
R. D. Benguria and M. C.Depassier, Variational principle for limit cycles
of the Rayleigh-van der Pol equation, Physical Review E 59,
4889-4893 (1999).
H. Alarcón, R. D. Benguria, P. Duclos, and H. Hogreve, On the
Stability of Positive Molecular Ions, Helvetica Physica Acta, 72,
386-407 (1999).
R.D. Benguria and M.C. Depassier, Variational principle for the limit
cycle of Rayleigh's equation, in Differential Equations and Mathematical
Physics, R. Weikard and G. Weinstein, eds., Studies in
Advanced Mathematics, 16, 21-26 (2000).
R. D. Benguria and M. C.Depassier, A Reversed Poincaré Inequality
for Monotone Functions, Journal of Inequalities and Applications, 5,
91-96 (2000).
R. D. Benguria and M. Loss, A simple proof of a theorem of Laptev and
Weidl, Mathematical Research Letters , 7, 195-203
(2000).
R.D. Benguria, H. Castillo, and M. Loewe, The Dirac equation with
a delta potential, J. Phys. A: Math. Gen., 33,5315-5320
(2000).
M. S. Ashbaugh and R. D. Benguria, A Sharp Bound for the Ratio of the
First Two Dirichlet Eigenvalues of a Domain in a Hemisphere of ,
accepted for publication in Transactions of the American Mathematical Society
(dvi,ps,pdf).
R. D. Benguria, J. Dolbeault, and M.J. Esteban, Classification of the
solutions of semilinear elliptic problems in a ball, accepted for publication
in Journal of Differential Equations (dvi,ps,pdf).
R.D. Benguria, Rayleigh-Faber-Krahn Inequality, in Encyclopaedia
of Mathematics, Supplement vol. 3, Kluwer, to appear (dvi,ps,pdf).
R.D. Benguria, Dirichlet Eigenvalue, in Encyclopaedia of Mathematics,
Supplement vol. 3, Kluwer, to appear. (dvi,ps,pdf).
R.D. Benguria, Neumann Eigenvalue, in Encyclopaedia of Mathematics,
Supplement vol. 3, Kluwer, to appear (dvi,ps,pdf).
R.D. Benguria, H. Siedentop, and E. Stockmeyer, Dissociation of homonuclear
relativistic molecular ions, accepted for publication in Annales Henri
Poincaré (dvi,ps,pdf).
C.Bandle, R.D. Benguria, The Brézis-Nirenberg Problem on S³,
Institute
Mittag-Leffler report nº 17, 1999/2000, ISSN 1103-467X, submitted
for publication (dvi,ps,pdf).
R.D. Benguria, M.C. Depassier, and V. Mendez, Propagation of fronts
of a reaction-convection-diffusion equation, submitted for publication
(dvi,ps,pdf).
R.D. Benguria and M.C. Depassier, Bounds for Nonlinear Eigenvalue Problems,
submitted for publication (dvi,ps,pdf).
Remark: The articles numbers [4], [5], [9], [12] and [13] of
the above list have been reprinted in: The Stability of Matter: From
Atoms to Stars, Selecta of Elliott H. Lieb, Edited by W. Thirring,
Springer-Verlag (NY) (1991).