Zihui Zhao: Boundary unique continuation and the estimate of the singular set

2024/06/1902:28:05 history 160

Zihui Zhao: Boundary unique continuation and the estimate of the singular set - DayDayNews

Zihui Zhao: Boundary unique continuation and the estimate of the singular set - DayDayNews

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A set of albums titled "Farmer Farming Album" records a "whole process" in ancient China, including soaking seeds, plowing the land, transplanting rice seedlings, fertilizing, harvesting, and warehousing. - DayDayNews

A set of albums titled "Farmer Farming Album" records a "whole process" in ancient China, including soaking seeds, plowing the land, transplanting rice seedlings, fertilizing, harvesting, and warehousing.

Late Qing Dynasty·"Farm Farming Album" 23 pictures, reproducing historical agriculture

06/26 1620

The Roman Empire was once the most powerful country in the world. The Roman Empire at that time had the ability to dominate the world, which was unmatched by any country at that time. Italian netizens said online, and many netizens below also expressed their opinions on this. - DayDayNews

The Roman Empire was once the most powerful country in the world. The Roman Empire at that time had the ability to dominate the world, which was unmatched by any country at that time. Italian netizens said online, and many netizens below also expressed their opinions on this.

Italian netizen: The Roman Empire once dominated the world. Western netizen: Have you forgotten China at that time?

06/26 1602

Among these more than 380 women, there are even fewer who have greater influence in society. There are only more than 180 women. Among them, only 54 have participated in the Tongmenghui led by Mr. Sun Yat-sen. He Xiangning was the only one who persisted in revolution to the end a - DayDayNews

Among these more than 380 women, there are even fewer who have greater influence in society. There are only more than 180 women. Among them, only 54 have participated in the Tongmenghui led by Mr. Sun Yat-sen. He Xiangning was the only one who persisted in revolution to the end a

Before He Xiangning died, she struggled to say her last words, not to cremate the body. Premier Zhou promised with tears: No burning

06/26 1684

Origin of Zhou Shengchuan Zhou Shengchuan, an old farmer from Beihai, is the founder of Xiaozhan Town and Xiaozhan Dao. He is the father of Xiaozhan Town and Xiaozhandao. He will be forever associated with the place name Xiaozhan. Let’s get to know Zhou Shengchuan. Zhou Shengchua - DayDayNews

Origin of Zhou Shengchuan Zhou Shengchuan, an old farmer from Beihai, is the founder of Xiaozhan Town and Xiaozhan Dao. He is the father of Xiaozhan Town and Xiaozhandao. He will be forever associated with the place name Xiaozhan. Let’s get to know Zhou Shengchuan. Zhou Shengchua

The origin of Zhou Shengchuan

06/26 1087

The struggles, migrations, struggles, struggles, glory, and desolations of each ancestor, especially their ups and downs with the times like duckweeds, are both the same as our descendants, but also very different. - DayDayNews

The struggles, migrations, struggles, struggles, glory, and desolations of each ancestor, especially their ups and downs with the times like duckweeds, are both the same as our descendants, but also very different.

Longhai Memory: My great-grandfather was the president of the Longxi County Chamber of Commerce

06/26 1585

Readers in Xinhua Bookstore. Photographed by the author in 2017. In July 1949, Zhongnan Xinhua Bookstore sent 7 people to Jiujiang. After a month of preparation, Jiujiang Bookstore was opened in mid-August. - DayDayNews

Readers in Xinhua Bookstore. Photographed by the author in 2017. In July 1949, Zhongnan Xinhua Bookstore sent 7 people to Jiujiang. After a month of preparation, Jiujiang Bookstore was opened in mid-August.

Today in Jiujiang History · July 15 · Documentary Image - Jiujiang Xinhua Bookstore

06/26 1812

The founder of the Seleucid Kingdom was Seleucid I. Its capital was the city of Antioch on the Oronte River, and its center was Syria, so it was also called the Kingdom of Syria. The scope of the kingdom varied from time to time. At its largest, it ranged from the Hellespont to t - DayDayNews

The founder of the Seleucid Kingdom was Seleucid I. Its capital was the city of Antioch on the Oronte River, and its center was Syria, so it was also called the Kingdom of Syria. The scope of the kingdom varied from time to time. At its largest, it ranged from the Hellespont to t

The Seleucid Kingdom, known to the Chinese as Tiaozhi, fell at the hands of the Roman general Pompey

06/26 1157

According to the results of the "National Top 100 Cities Selection" in 2022, Changsha, which has just entered the first-tier provincial capital cities in the country in 2021, ranks 15th in Changsha, which shoulders the name of "Internet Celebrity City"; Zhuzhou City ranks 77th, a - DayDayNews

According to the results of the "National Top 100 Cities Selection" in 2022, Changsha, which has just entered the first-tier provincial capital cities in the country in 2021, ranks 15th in Changsha, which shoulders the name of "Internet Celebrity City"; Zhuzhou City ranks 77th, a

Xiangtan's economy is not only contributed by Xiangtan Iron and Steel and BBK, but also by other industry leaders.

06/26 1096

During the Eastern Expedition of Emperor Taizong of the Tang Dynasty, one of the troops landed here from the sea. Later, the refugees in the Pass also came here along this road. Therefore, many stories of the Eastern Expedition of Emperor Taizong of the Tang Dynasty can be passed - DayDayNews

During the Eastern Expedition of Emperor Taizong of the Tang Dynasty, one of the troops landed here from the sea. Later, the refugees in the Pass also came here along this road. Therefore, many stories of the Eastern Expedition of Emperor Taizong of the Tang Dynasty can be passed

The evolution of ethnic groups in the mountainous area north of Zhuanghe

06/26 1156

The Ming Dynasty was the last unified dynasty established by the Han people in Chinese history. It lasted for 12 generations, 16 emperors, and the reign of Zuo for 276 years. So who was stronger, the Ming Dynasty or the Qing Dynasty? - DayDayNews

The Ming Dynasty was the last unified dynasty established by the Han people in Chinese history. It lasted for 12 generations, 16 emperors, and the reign of Zuo for 276 years. So who was stronger, the Ming Dynasty or the Qing Dynasty?

Who was stronger, the Ming Dynasty or the Qing Dynasty?

06/26 1271

The Han Dynasty was an era when talents emerged in large numbers. At this time, our country was in a stage of vigorous growth in the entire ancient history, which is equivalent to the youth in a person's life. Therefore, the talents appearing everywhere are enough to make future - DayDayNews

The Han Dynasty was an era when talents emerged in large numbers. At this time, our country was in a stage of vigorous growth in the entire ancient history, which is equivalent to the youth in a person's life. Therefore, the talents appearing everywhere are enough to make future

The son of a cattle doctor in the Eastern Han Dynasty told us what later generations meant by strategizing.

06/27 1871

Many people will hear this surname when watching Qing Dynasty film and television works, especially in Qing palace dramas, where queens and concubines often have the surname Niu Hulu. Today we take a look at how powerful the Niu Hulu clan is. Not only did they produce 6 queens, b - DayDayNews

Many people will hear this surname when watching Qing Dynasty film and television works, especially in Qing palace dramas, where queens and concubines often have the surname Niu Hulu. Today we take a look at how powerful the Niu Hulu clan is. Not only did they produce 6 queens, b

How powerful was the Niu Hulu family? They produced 6 queens, many concubines, and the most corrupt official in the Qing Dynasty.

06/27 1613

In recent years, the cases of historical villains have been reversed, and positive figures have been smeared repeatedly. Recently, I actually saw someone saying that Wen Tianxiang was loyal to the feudal dynasty of the Song Dynasty, so he was foolishly loyal. - DayDayNews

In recent years, the cases of historical villains have been reversed, and positive figures have been smeared repeatedly. Recently, I actually saw someone saying that Wen Tianxiang was loyal to the feudal dynasty of the Song Dynasty, so he was foolishly loyal.

Do you think Wen Tianxiang is stupid, stupid and loyal, or is he a national hero?

06/27 1769

Since ancient times, there have been two methods of inheritance of Chinese dynasties: father to son and brother to brother. Although the second method was more common in the pre-Qin era, it has basically withdrawn from the stage of history since the unification of Qin and Han Dyn - DayDayNews

Since ancient times, there have been two methods of inheritance of Chinese dynasties: father to son and brother to brother. Although the second method was more common in the pre-Qin era, it has basically withdrawn from the stage of history since the unification of Qin and Han Dyn

Is the legend of "The Shadow of the Candle and the Sound of the Ax" true?

06/27 1942

I wonder if you have ever considered why there were governors and governors in the Qing Dynasty? After the Ming Dynasty established this regime, in order to manage a province, the separation of powers was implemented. - DayDayNews

I wonder if you have ever considered why there were governors and governors in the Qing Dynasty? After the Ming Dynasty established this regime, in order to manage a province, the separation of powers was implemented.

Among the governors and governors of the Qing Dynasty, who had more power?

06/27 1231

On April 23, 1945, on the eve of the victory of the Anti-Japanese War, the Communist Party of China held its Seventh National Congress at the Yangjialing Auditorium in Yan'an. After 50 days of discussion and research, the Seven Conferences concluded successfully. At this meeting, - DayDayNews

On April 23, 1945, on the eve of the victory of the Anti-Japanese War, the Communist Party of China held its Seventh National Congress at the Yangjialing Auditorium in Yan'an. After 50 days of discussion and research, the Seven Conferences concluded successfully. At this meeting,

At the Seventh National Congress in 1945, one person was questioned as being unworthy of being an alternate member of the Central Committee. Chairman Mao: Promote him to the official position.

06/27 1306

[Introduction to the case] On October 9, 2017, A insured all his vehicles with compulsory traffic insurance and motor vehicle third party liability insurance with the insurance company. Article 3 of the insurance clause of the third party insurance stipulated: Property damage cau - DayDayNews

[Introduction to the case] On October 9, 2017, A insured all his vehicles with compulsory traffic insurance and motor vehicle third party liability insurance with the insurance company. Article 3 of the insurance clause of the third party insurance stipulated: Property damage cau

When the accident occurred, the vehicle exceeded the annual inspection validity period, will the insurance pay for it?

06/27 1175

Many people in rural areas drive two-wheeled motorcycles and three-wheeled motorcycles. Two-wheeled motorcycles are more common in cities. Nowadays, the control of motorcycles is relatively strict, and everyone must have a license plate. - DayDayNews

Many people in rural areas drive two-wheeled motorcycles and three-wheeled motorcycles. Two-wheeled motorcycles are more common in cities. Nowadays, the control of motorcycles is relatively strict, and everyone must have a license plate.

How many years does it take for a motorcycle to be scrapped? Are there any subsidies for scrapping? you must know

06/27 1349

Today, people are becoming more and more dependent on cars, and vehicles appear more and more frequently in people's lives. They have become an important means of transportation that every family cannot do without. It brings people Too much convenience has come, which has shorten - DayDayNews

Today, people are becoming more and more dependent on cars, and vehicles appear more and more frequently in people's lives. They have become an important means of transportation that every family cannot do without. It brings people Too much convenience has come, which has shorten

Does your motorcycle need to be scrapped? Some people don’t understand that there are new regulations on the lifespan of motorcycles.

06/27 1030

Most people don’t choose lights. I only look at the price and style, warm light or white light? Just looking at these, it is estimated that no matter how well decorated your home is, turning on the lights at night will instantly lower the decoration effect of your home. Or the wh - DayDayNews

Most people don’t choose lights. I only look at the price and style, warm light or white light? Just looking at these, it is estimated that no matter how well decorated your home is, turning on the lights at night will instantly lower the decoration effect of your home. Or the wh

How to buy lamps for new house decoration? You must clearly understand these eight points

06/27 1963

The beautiful day flower is a perennial evergreen herbaceous plant belonging to the family Amygaceae. The stems are bushy, ascending obliquely, woody at the base, and multi-branched. The leaves are opposite, fleshy, triangular, with convex tips, and the base hugs the stem, pink-g - DayDayNews

The beautiful day flower is a perennial evergreen herbaceous plant belonging to the family Amygaceae. The stems are bushy, ascending obliquely, woody at the base, and multi-branched. The leaves are opposite, fleshy, triangular, with convex tips, and the base hugs the stem, pink-g

Beautiful Japanese flower - Conifera

06/27 1409

Asparagus, native to South Africa, grows in the mountains and is also cultivated in gardens, reaching a height of several meters. It is also grown in the south of my country, while in the north it is mostly grown in pots. Asparagus asparagus has slightly fleshy roots, soft stems, - DayDayNews

Asparagus, native to South Africa, grows in the mountains and is also cultivated in gardens, reaching a height of several meters. It is also grown in the south of my country, while in the north it is mostly grown in pots. Asparagus asparagus has slightly fleshy roots, soft stems,

Asparagus, an ornamental plant, loved by everyone

06/27 1698