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Three kinds of experiments have been designed in attempting to observe theparity violation of electroweak force at the phase transition of singlecrystals of D- and L-alanine and valine.(1) An obvious λ phasetransition at 270 ± 1 K was shown in the specific heat measurement ofalanine and valine enantiomers by differential scanning calorimetry.… (More)

- JIAYIN JIN, JUNPING SHI, JUNJIE WEI, FENGQI YI
- 2008

Bifurcations of spatially nonhomogeneous periodic solutions and steady state solutions are rigorously proved for a reaction-diffusion system modeling CIMA chemical reaction. The existence of these patterned solutions shows the richness of the spatiotemporal dynamics including Turing instability and oscillatory behavior. Examples of numerical simulation are… (More)

- Fengqi Yi, Junjie Wei, Junping Shi
- 2008

a r t i c l e i n f o a b s t r a c t Keywords: Diffusive predator–prey system Holling type-II functional response Hopf bifurcation Steady state bifurcation Spatially non-homogeneous periodic orbits Global bifurcation A diffusive predator–prey system with Holling type-II predator functional response subject to Neumann boundary conditions is considered. Hopf… (More)

- Fengqi Yi, Junjie Wei, Junping Shi
- Appl. Math. Lett.
- 2009

The Lengyel–Epstein reaction–diffusion system of the CIMA reaction is revisited. We construct a Lyapunov function to show that the constant equilibrium solution is globally asymptotically stable when the feeding rate of iodide is small. We also show that for small spatial domains, all solutions eventually converge to a spatially homogeneous and… (More)

- Jianxin Liu, Fengqi Yi, Junjie Wei
- I. J. Bifurcation and Chaos
- 2010

- JIAYIN JIN, JUNPING SHI, JUNJIE WEI, FENGQI YI, Abraham Trembley, F. YI
- 2013

Bifurcations of spatially nonhomogeneous periodic solutions and steady state solutions are rigorously proved for a reaction-diffusion system modeling CIMA chemical reaction. The existence of these patterned solutions shows the richness of the spatiotemporal dynamics including Turing instability and oscillatory behavior. Examples of numerical simulation are… (More)

- Junping Shi, Chris Cosner, +40 authors Robert Stephen Cantrell
- 2015

of Talks 1. Abstract: Many physical and biological processes occur with long-range interaction, giving rise to equations with nonlocal in space operators in place of the usual Laplacian. These operators are diffusive-like but are bounded rather than unbounded as is the case of the diffusion operator. We study systems that include such nonlocal operators and… (More)

The crucial organic molecules associated with life are chiral. Beta irradiation on the causal origin for the great preference of biomolecules in life over their corresponding enantiomers has been extensively studied. The left helical beta electrons, with spin and momentum antiparallel, should propagate with different velocities in the two enantiomers. Much… (More)

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