The coordinated development of tourism resources and tourism economy is vital improve the quality and efficiency of regional tourism.Taking the ice and snow tourism in Altay region as an example,this study constructed...The coordinated development of tourism resources and tourism economy is vital improve the quality and efficiency of regional tourism.Taking the ice and snow tourism in Altay region as an example,this study constructed an evaluation indicator system and used the methods of gravity center model,spatial mismatch index model and obstacle degree model to calculate the spatial mismatch index and influencing factors of ice and snow tourism resources and tourism economy in Altay region as a whole and in each county and city.It found in the study period:(i)the ice and snow tourism resources and tourism economy in Altay region was synchronous in the development of time sequence,while the spatial distribution pattern was characterized by regional imbalance;(ii)at the macro scale,the spatial mismatch degree of the ice-snow tourism resource center and the tourism economic center in Altay region was gradually reduced,but they were always separated from the spatial geometric center of Altay region;(iii)at the micro scale,the spatial mismatch index of counties and cities in Altay region was mainly negative mismatch,and the types of spatial mismatch changed in different degrees;(iv)the factors showed certain spatial differentiation characteristics in different counties of Altay region,and there were some differences in the obstacles of different mismatch level areas,and the economic basis was the most frequent obstacle in different mismatch level areas of Altay region.展开更多
We discover a“less-is-more”effect that adding local antagonistic interactions(negative edge weights)can enhance the overall synchronizability of a dynamical network system.To explain this seemingly counterintuitive ...We discover a“less-is-more”effect that adding local antagonistic interactions(negative edge weights)can enhance the overall synchronizability of a dynamical network system.To explain this seemingly counterintuitive phenomenon,a condition is established to identify those edges the weight reduction of which improves the synchronizability index of the underlying network.We further reveal that this condition can be interpreted from the perspective of resistance distance and network community structure.The obtained result is also verified via numerical experiments on a 14-node network and a 118-node network.Ourfinding brings new thoughts and inspirations to the future directions of optimal network design problems.展开更多
文摘The coordinated development of tourism resources and tourism economy is vital improve the quality and efficiency of regional tourism.Taking the ice and snow tourism in Altay region as an example,this study constructed an evaluation indicator system and used the methods of gravity center model,spatial mismatch index model and obstacle degree model to calculate the spatial mismatch index and influencing factors of ice and snow tourism resources and tourism economy in Altay region as a whole and in each county and city.It found in the study period:(i)the ice and snow tourism resources and tourism economy in Altay region was synchronous in the development of time sequence,while the spatial distribution pattern was characterized by regional imbalance;(ii)at the macro scale,the spatial mismatch degree of the ice-snow tourism resource center and the tourism economic center in Altay region was gradually reduced,but they were always separated from the spatial geometric center of Altay region;(iii)at the micro scale,the spatial mismatch index of counties and cities in Altay region was mainly negative mismatch,and the types of spatial mismatch changed in different degrees;(iv)the factors showed certain spatial differentiation characteristics in different counties of Altay region,and there were some differences in the obstacles of different mismatch level areas,and the economic basis was the most frequent obstacle in different mismatch level areas of Altay region.
基金supported in part by the National Natural Science Foundation of China under Grant Nos.62403362 and 62103147in part by the Shanghai Municipal Science and Technology Major Project under Grant No.2021SHZDZX0100in part by the Fundamental Research Funds for the Central Universities under Grant No.22120240307.
文摘We discover a“less-is-more”effect that adding local antagonistic interactions(negative edge weights)can enhance the overall synchronizability of a dynamical network system.To explain this seemingly counterintuitive phenomenon,a condition is established to identify those edges the weight reduction of which improves the synchronizability index of the underlying network.We further reveal that this condition can be interpreted from the perspective of resistance distance and network community structure.The obtained result is also verified via numerical experiments on a 14-node network and a 118-node network.Ourfinding brings new thoughts and inspirations to the future directions of optimal network design problems.
