This work was supported in part by the National Natural Science Foundation of China (Grant No. 19631060); the 973 Project, the Research Fund for the Doctoral Program of Higher Education, Consiglio Nazionale delle Ricerche(Italy) and University of Rome I
For compact, connected Riemannian manifolds with Ricci curvature bounded below by a constant, what is the linear approximation of the first eigenvalue of Laplacian? The answer is presented with computer assisted proof...
This work was supported in part bythe National Natural Science Foundation of China (Grant No. 19631060); Mathematical Tian Yuan Foundation, Qiu Shi Science & Technology Foundation, RFDP and MCEC.
Some complete variational formulas and approximation theorems for the first eigenvalue of elliptic operators in dimension one or a class of Markov chains are presented.
Research supported in part by NSFC (No.19631060);Math.Tian Yuan Found.,Qiu Shi Sci.& Tech.Found.,RFDP and MCME
A variational formula for the lower bound of the principal eigenvalue of general Markov jump processes is presented.The result is complete in the sense that the condition is fulfilled and the resulting bound is sharp ...
Project supported in part by the National Natural Science Foundation of China (Grant No. 19631060);Qiu Shi Science & Technology Foundation, DPFIHE, MCSEC and MCMCAS.
The first non-zero eigenvalue is the leading term in the spectrum of a self-adjoint operator. It plays a critical role in various applications and is treated in a large number of textbooks. There is a well-known varia...
Project supported in part by the National Natural Science Foundation of China (Grant No. 19631060);Beijing Normal University and the State Education Commission of China.
Under certain curvature condition, the existence of spectral gap is proved on path spaces with infinite time-interval.